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396 bored 30 over - Ok. So the formula would be pi are squared times stroke times number of cylinders. The

A 350 bored 30 over is an engine that has been bored out by 0.030 in

All new SS Rims and White lettered Tires. Automatic Transmission shift kit. Original Malibu # matching engine bored 30 over . 1968 Chevrolet Chevelle SS Trimed . 23,900 Fort Myers, FL Fort Myers, FL at classiccars.com. 1970 CHEVROLET CHEVELLE SS. 1. 50,000 ; 39,633 ... .040" over 396, aluminum heads, ceramic headers, performer intake, 10.5-1 ...If you’re planning any kind of party, decorations are one of the first things to consider. But instead of buying party decorations that are generic, impersonal — and maybe even bor...Chad. Discussion starter. 64 posts · Joined 2013. #1 · Mar 9, 2013. I was wondering I found a guy selling a 4 bolt Chevy 350 bored .030 over by a reputable machine shop with receipts to prove it. I want to build a 383 stroker but I thought that pistons had to be matched at the same time the block is bored?#1 · Oct 8, 2005. My 396 is bored .60 over right now, and needs an overbore....can I go to .90 with no problems? and are flat top pistons in that size availible readily? I have not …The common ones are .030, .040 and .060 bored over, obviously new pistons required. When a block has been bored .030 over it usually means it's been rebuilt once, but not always. It also adds cubic inches to the displacement, a 350 bored .030 over is 355 CI. Scott [Modified by Scott78, 10:43 AM 7/17/2002]a true 396 has a bore of 4.094, but by the time one bores it out .030 they are 4.125" bore. Your common piston rings for the 396 .030 over bore will be 4.125" and your .060 over bore 396 will be 4.155, one of my 396 engines I'm at …See All 36 Photos. The Chevrolet 396-cid, big-block's destiny was decided long ago. After punching the block out .030-inch and increasing its displacement to 402-cid back in 1970, a couple years ...30 posts · ... A 402 is a 396 bored out .030" over and typically low compression unless it's an early 70's motor like the L-34 or L-78. Ron ... Ive never been able to figure out why so many guys swoon and get chills over a 383-396 sbc built from a 350 combo and ignore a 396-402 bbc combo with its larger ports, bigger valves stronger parts and ...402 bbc max bore for street use. I have a 1971 402 big block that's already bored 30 over for a bore of 4.155. My question is can I go,another 30 over for a total bore of4.185 for a street cruiser. Just a stock type rebuild with maybe a mild cam . My machinest said it's no problem to go,60 over on my 402 but I've herd others say my cylinders ...Are you tired of the same old boring lunches? Do you find yourself reaching for the same sandwich day after day? If so, it’s time to shake things up and try something new. The best...Here's all the info you'll ever need to know about bore and stroke on a SBC Print it out and hang it on your wall 1955-1967 engines used 2.30'' main journals and 2.00'' rod journals 1968 up engines uses 2.45'' main journals and 2.10'' rod journals All small block chevys but the 400 and the gen II 264 used 5.7'' rod lenghts.Jun 9, 2006. #2. yes incresing bore size does increase displacement. you engines stroke and the cylinder bore determin the engines displacement. you could calculate it based on adding .060 to the stock bore size of a 396 and then throw in the stroke. you basically just have to calculate the volume of the cylinder and multiply by 8.658. Location. Fremont, CA. Aug 7, 2007. #6. I can't help with pricing in your neck of the woods but here in California where everything is expensive i charge $225.00 to bore and hone a V/8 block. If you want deck plates then add another $85.00.Hey guys long time lurker, first post. I am wanting to build a 396 to put in a 69 camaro. My goal is to get between 350 and 400 hp. Want it to be basically stock with good streetability. I have a 1969 block, bored .30 over with the original crank. Block numbers are 3955272. The heads are the original heads I think and are oval port, open head ...What is the bore and stroke of 350 Chevy engine? A 350 starts out with a 4.000″ bore and a 3.48″ crankshaft stroke which really only gives you 349.8 cubic inches. (Chevy rounded it up to 350) Your engine which has the same stroke of 3.48 but now is bored .030″ over (making the cylinder bored size now 4.030) total size of 355.1 cubic ...IF you bore the block . What is a 350 bored over? a 350 bored . 030 over has a bore of 4.030. What is a Chevy 396 bored .30 over? If I’m not mistaken, a 396 that’s bored . 030 over is 402 cubic inches.Most 4.000" bore engines head gaskets for a SBC are sized between 4.060", 4.100". 4.125", 4.166" depending on the manufacturer, that way they may cover more than one engine application, and handle any overbore that the block is capable of being machined to. Measure your gasket to determine its actual bore size, I'm betting you are fine with ...That's because this 396 cubic-inch motor has been rebuilt about a year ago for pure performance. This includes a bored .30 over, Quick Fuel four-barrel carburetor, Edelbrock intake, and headers that feed a new rumbling dual exhaust. This enhanced V8 has traveled only about 200 miles since built, and that's not the only investment in great ...Are you looking to enhance your vocabulary and improve your writing skills? Look no further than Thesaurus.com, the go-to online resource for synonyms and antonyms. One of the comm...Algebra. Fraction Calculator. Step 1: Enter the fraction you want to simplify. The Fraction Calculator will reduce a fraction to its simplest form. You can also add, subtract, multiply, and divide fractions, as well as, convert to a decimal and work with mixed numbers and reciprocals. We also offer step by step solutions.BBC 396 cam and intake suggestions. I have a 396 in a 66 chevelle. The car is to be a daily driver with a/c,PS,PB. It has M20 wide ratio and 3.31 rear. The heads on it are small bathtub 98cc,,but yesterday I bought a pair of stock 215 102cc semi closed heads at machine shop. I thought they may lower compression to 9.75 or so.Pkge includes the pistons, Scat I-beam rods, CL-77 brgs (any size), and Mahle 1/16", 1/16" 3/16" rings. The ONLY single issue I have is with the sizing on the pistons, we chose to stock them in one size only, for a 4.145" finished bore. This allows us to use them on the 4.095" (396") bore and the OEM 4.125" bore (1970/402").I had my 348 bored .30 over and dropped in a 454 crank which gave me 434 cubic inches. Used 396 rods and Ross forged pistons which were very expensive; $100.00 each. Topped it off with Edelbrock aluminum heads, intake and carb. It certainly wasn't cheap to do. The machine work to get everything to fit was pricey. The engine …Converting CID to Liters and Liters to CID. To convert cubic inches to liters, divide the cubic inches by 61. While, "61.0237441" is the exact number to divide by but in most cases it will not affect the conversion enough to change the rounded size. For example, a 350 cubic inch engine to liters is 350/61 = 5.737, rounded down to 5.7 liters.So, I sent the engine to be bored .30 over and to change all of the internals except for the crankshaft. The company that rebuilt it basically replaced all of the components with newer parts. ... Bore (inches) 4.124 396 w/ .030 Stroke (inches) 3.766 Deck Clearance .0015 Compressed Gasket Thickness .051 Gasket Bore Diameter 4.62 Combustion ...Just a little back ground, so you know what my engine is, I have a 396 bored 30 over, 100 cc heads, a comp cams 268 Extreme engery cam, a Elderbrock C-396 intake, a 750 Holley double pumper car with the 4 cornor idle set up, Accel 71000E dist, a Accell electronic Coil, 300 plus race wires & autolite 405 copper plugs, I set the gap at 45 on the plugs when I installed them this afternoon & it ...1948 Plymouth Special DeluxeFlathead 218 - 6 cylinder - motor rebuilt, balanced, and bored .0060 at 51,500 miles on odometer3 speed manual transmission on the column - rebuilt same timeSuicide doors. 6 volt system. Has direction signals.Pair of...what cubes is a 429 bored .30 over? I have a block, been sitting around I want to put together. Thanks. Reply Like #2 09-30-2010, 10:05 AM 85lebaront2. Old School Hot Rodder. Join Date: Feb 2006. Location: Exmore, VA. Posts: 6,471 Likes: 1 Received 6 Likes on 6 Posts Bore X Bore X .7854 X 3.59 X 8 = 434.7 ci ...Nov 4, 2007 · Most 366 have a forged crank with the same stroke as a 396-427. Problem is the bore as you know is so small and the pistons are 4 ring truck pistons (heavy,low compression). In my 427 I have a 366 forged crank. You do need to have it balanced if you don't use forged pistons. 366 heads, depending on which castings, aren't the greatest.I have a 396/375 hp motor that is bored 60 over with a stock steel crank and rods. It has the stock rectangular port heads with a decent valve job and aftermarket …Select motor type and/or bore size in Column 1. 3. Confirm exact bore size in Column 2. 4. Select your stroke length in Columns 3-6. 5. Displacement appears in the intersecting box. Bore, Inches (Relative) Bore, Inches (Absolute)With the 396's success, variations of its design are not surprising. For example, the big-block 366 featured the same 3.76-inch crankshaft stroke as the 396 but smaller 3.935-inch cylinder bores ...Ive never understood why many guys turn up there nose at building a 396 based BIG BLOCK for a hot street car engine combo,and then build a 383 SMALL BLOCK and think they made the correct choice, the far stronger components, and in many cases the better flowing heads provide the basic 396 BBC with a distinct power advantage or at lease the potential to produce superior power, especially if your ...Line 1: "06D" would indicate a build date of June, where "D" indicates the fourth week of the month as the fourth letter of the alphabet. On line 2, "67" is for 1967, "13817" is for the SS396 body ...6 posts · Joined 2004. #1 · Jul 7, 2009. I have 1967 camaro with a 396 (bored .30 over),454 open chamber heads, L88 cam and lifters, hedman headers, optical points, 4 speed trans, 3.70 rear axel. My problem is I have a vibration that starts about 50 to 55 mph and is there on up. It is something that is rotating but is not tires out of balance ...1967 SS 396, M20. When your finally out here in San Jose you might want to join the NOR-CAL camaro club. Its a good way to meet a bunch of camaro owners from the bay area. 70 Camaro, 355, th350, 4.10 posi. 74 Trans Am, 400, th400, 2.73 posi. I ran the p*ss out of a 60 over 396 2bolt in my Super Street car.396 bored to 410 348 (looks like 409) ... These blocks/engines never made it to go back in another car. Especially 30+ years later. ... Hopefully over the winter I save enough to buy another allum rad with elec fans maybe that will help more. it gets frustrating worring about weather and how hot my BBC runs it limits the amount of time i would ...Compression Calculator Simply fill in the form below to calculate your compression ratio Bore: (diameter) in. mm Stroke: in. mm Cylinder Head Volume: cc in. Effective DA 396 is a thin wall casting (to save weight) which is the same as all of GM's motor castings. You can not safely exceed a 0.060" over bore without the motor over heating or risking cracking the block. A 427 and a 454 share a common 4.250" and as such the largest safe bore is 4.310" (0.060" overbore).502 engine blocks (8.2 cast on sides of block) will safely tolerate a 4.500-inch bore, which is only .034-inch over their 4.466-inch bore size as produced. The cylinder wall thickness of Bowtie and aftermarket blocks with siamesed bores has varied considerably over the years, but most can safely tolerate bores to 4.600 inches and some are rated ...I have a 402 bbc bored .040 over, how many cubic inches is this. Thanks in advance for your replies. Scott . ... 17891 posts · Joined 2005 Add to quote; Only show this user #2 · Jan 30, 2010. 408ci . ... #3 · Jan 30, 2010. I get 410. Ray Best pass 8.87 at 150.98 1.212 60'. Sold 3/2018 1970 SS 396 restoration project in progress. Bought 5/ ...We may earn a commission for products purchased through links on this pageA 305 bored 30 over refers to a chevy 305 engine that has been bored out 0.030 inches beyond its original size. This increases the engine’s displacement, resulting in a boost in power and performance. The chevy 305 engine was introduced in the late 1970s as a smaller alternative to the popular 350 engine. While it was never as powerful as its ...I am about to buy a clone Camaro SS 396 bored .030 over with the following heads and pistons. The seller claims 350+ horsepower and the engine has had a total overhaul. ... L2354F-30 pistons Specs are highlighted below. Engine Rebuild Receipt ... Chevy 396-502 cid, RPM Range 2200-5500, Adv Dur 306 intake/322 exhaust, Dur @.050 222 intake/235 ...Cubic Inch to Bore/Stroke Chart. Mfgr CID Liters # Cyl Bore Stroke Mfgr CID Liters # Cyl Bore Stroke Amc 304 5 8 3.75 3.438 Chrysl 392 6.4 8 4 3.9 Amc 360 5.9 8...Ive got the small block 400 which im planning on building up with aluminum heads (2.08in 1.60ex), 6 inch rods and a roller cam. But... I was just teased on a deal for a 396 big block bored 30 over (which makes it a 402ci) and its all redone pushing 430hp. If I got it, I would probably put aluminum heads on it with big valves and a roller camshaft.#1 · Jan 30, 2010. I have a 402 bbc bored .040 over, how many cubic inches is this. ... 1970 SS 396 restoration project in progress. Bought 5/2018Feb 9, 2009 · I recently picked up a used 396 2 bolt main big block and was hoping someone could tell me if its worth rebuilding. p { margin: 0; } # on front of block where water pump bolts up t0503tkb # on bellhousing 3969854 # on heads 3993820 The the engine is bored 30 over and will need to be bored out to 60. Can I bore a 396 to 60 over without any problems?If you’re looking for an MMORPG that will keep you entertained for hours on end, World of Warcraft is the perfect game for you! With its immersive graphics and expansive world, you...396 Bored to 427. I'm in the process of restoring my 66 El Camino and am trying to decide how to do the engine. It has a 325HP 396 that needs a total rebuild. I want it to run on available 91 octane pump gas when I get done. A friend of mine has a 69 Chevelle SS with a 325HP 396, and he has to spike the 91 octane with low lead aviation fuel to ...4. Reaction score. 0. Location. 92028. I have a 1977 440. One of the cylinders is messed up enough that im gonna have to bore it. Ive read about there being a .030 overbore limit because of "thin cylinder walls". Ive also read of this being a myth and that through out the years the cylinder wall stayed the same.Here's the chassis freshly media blasted and powder coated with my rebuilt 396 bored .30 over and a shot just before bolting the body and chassis together. I will add that having never attempted a motor build before I did a lot of reading of old posts and received some much appreciated advice from other members that gave me the confidence to ...put the bore into the calculator (4.030 for a 302 .030 over). Than enter stroke. In my case I'm using a 347 stroker kit. I think that is a stroke of 3.40. So a oversized bore of 4.030 and a stroke of 3.40 = 347 ci my figures may be wrong, but that's how you do it QUOTE=baddad457;19592202]This is why Algebra Class was so important [/QUOTE]I'm pretty sure the stock size is actually a larger bore, most aftermarket makers either make a 4.030 or 4.1 for the stock replacement. In theory the tighter the fit the better but it is so neglegible it really doesnt matter. Rod bearing clearance should be between 0.0008 -0.0015 and you need to use a plasti gauge and tighten down the ...#1 · Apr 30, 2002. Hello all, I am in the process of purchasing a 1969 Chevelle ss 396. I was curious as to what common problems exist with that certain year and also with chevelles in general. ... it will not restart immediately due to a condition known as heat soak. The starter simply will not turn over until the car has cooled down some ...Agreed, I would have no problem running it another .005 as long as it sonic checks still with a decent thickness left. Custom pistons can be made from several sources like Mahle, Diamond, Gibtec, Ross, JE Wiseco etc. I have a +.060 over 440 going on 50,000+ miles on it. Dec 4, 2021. #16.I,m putting together a big block 427 chevy motor with a 454 block @ 4.280 bore (.30 over)3.76 stroke (396-427crank) 6.135 rod length and will be using a set of open chamber aluminum heads with 2.25 intake and 1.88 exhaust valves. My question is, what pistons should I use to get close to 9:5-10:1 compression that will have good flame travel and ...207-892-7215. Share. Like. M. MusclecarFan. 17 posts · Joined 2004. #3 · Apr 18, 2005. We have a 327 0.60 over in our Vette and we never had a problem. Michael Gregoire Jr 69 Camaro SS 350 Hugger Orange with Black Stripe's www.Albanyunderground.net.396 V8 ~ 4.094" bore x 3.76" stroke (1965-1969) ... There are over 1200 pages and almost 9000 images on this website. If you think there is something in error,Find CHEVROLET 6.5L/396 Pistons & Piston Rings and get Free Shipping on Orders Over $109 at Summit Racing! Save Up to 10% on Select Holley Family of Brands Products - Shop Now! Vehicle/Engine Search Vehicle/Engine Search Make/Model SearchA 302 bored .30 over = what? A 302 bored .30 over = what? Reply Subscribe . Thread Tools Search this Thread #16 11-23-2020, 10:46 PM xlt4wd90. Lead Driver. Join Date: Sep 2003. Location: SoCal. Posts: 6,736 Likes: 0 Received 89 ...Feb 24, 2011 · Compression is 9.0:1 at best, could be as low as 8.7:1. Due to less swept area, 396/402 pistons REQUIRE taller domes than the common 454 at a given CR. In short, no, the domes are not too big by any means. Specifically, piston to head interference possible on 427s using the L-2268 piston and the 781 or 049 heads.If you are gonna autocross the car and are sticking with a BB, I'd think stroke/bore a 454 block to 496. ... I have the ability to aquire a 396 block that's been bored 30 over for free if I want it but had been leaning towards the 427 because I had researched that the 427 isn't too far behind the 454 and it takes quite a bit of more money to ...#2 · Nov 20, 2001. The bore on a 396 is 4.096 , the bore on a 402 is 4.125. A 402 is a 396 bored .030 over. Same stroke...that’s about it. Al. ------------------ '69 Z28 (X77 D80 72 …well for starters our 2.0 in reality is a 1.97L, it was just rounded to 2.0 to simplify things. Adding .030 to the bore will actually make it a 2.0L. Another good example of this is the Chevy 5.7L or 350 CID is in reality a 349.98 CID. actually they're roundabout 346 ci after 1970-something. After an .030 overbore THEN they become 350's.It is not a very good idea to bore the 396 block out to the 4.250 to acheve the 427 bore. There just is not enough cylinder left but it is possible and many have been done. You would definitely need the 396 block sonic tested before you would know if it will work. Once it has been bored you end up with a block that can't be bored anymore.Can you install a 4.00 inch crank into a 396 block and make a 427 out of it? Looks like if I bored the 396 .030 over to net a bore of 4.125 and then used the 4.00 inch crank you would net 427ci's. Looks like the biggest issue is the lack of pistons that are available that would support this configuration?1955 Belair custom. My only and forever project... Like. lonewolf85. 5121 posts · Joined 2007. #8 · Feb 11, 2016. a .030 396 is 402 cubic inches. use a 402 gasket. measure your deck height above the pistons to determine how thick of head gaskets you need. Like. Green Onions.Most 366 have a forged crank with the same stroke as a 396-427. Problem is the bore as you know is so small and the pistons are 4 ring truck pistons (heavy,low compression). In my 427 I have a 366 forged crank. You do need to have it balanced if you don't use forged pistons. 366 heads, depending on which castings, aren't the greatest.11325 posts · Joined 1998. #3 · Oct 15, 2008. If the engine is an original 402 block, and it has already been bored .030 over, then it is now a 408. If you then bored it an additional .030 over (for a total of .060 over), then you would have a 414. And if that is the case, then you will need to order .060 over pistons for a 402.multiply your bore size by the ring end gap factor listed on the chart (i.e., Street Naturally Aspirated 4.000” bore x .0065” gap factor = .026” total top ring end gap). Your hypereutectic performance piston will expand less than typical cast or forged pistons. Because of this and the wear characteristics of theSep 4, 2005 · 375 posts · Joined 2000. #1 · Sep 4, 2005. Just wondering how far you can bore a 327 block before you start losing ring seal due to flexing cylinder walls, or have an engine failure. I've been told .030" is the limit. Is this true? It would be a 1964 vintage 327 block.Pros: lower cost (427 pistons are noticeably more expensive and 396 blocks are typically less expensive) Cons: less power and torque all other things being equal. You'd probably be happy with either, a big block is a big block which is lots of fun. More to my point: Team Chevelle #998. 1965 Malibu SS L79.Chevy called it a "396" for some reason. It's a 396 bored "30 over". I shall investigate. *Edit, part deux: the 402 was the "400 Turbo Jet". ... Only show this user #3 · Feb 26, 2009. 402 is basically a 396. The 396 was poked out to 402 inches, but Chevy didn't want to advertise the increase in displacement for corporate and insurance reasons. ...Here is Walters' take on the situation. First, using a 3.875-inch stroke instead of 4.00 inches with the typical .030-inch overbore results in 12 less inches: 396 instead of 408. But this ...It still has the full 0.060" of metal for over boring. Chevrolet just had to break the 400 cube barrier for marketing reasons because all of Chevy's competitors; including within GM, as well as the blue oval boys and MOPAR efforts that had motors with 400 cubes or more available in small and mid sized cars. So the 396 became a 402 and the 427 ...cylinder volume = 3.14159 x (2.000x2.000) x 3.58. engine volume = cylinder volume x the number of cylinders (8) Stock 360 = 359.901 cubic inches. .030 over = 365.299 cubic inches. .040 over = 367.099 cubic inches. .060 over = 370.698 cubic inches. Thanks for the good information you guys post.396 30 over build for pump gas. block work done and crank polished. Now trying to figure out next parts to buy. With L2240NF30 pistons in mind what would be ideal choice for camshaft? this is 1968 396 thats 30 over with square port heads. My goal is just daily street use.The bore is the diameter of the circular chambers cut into the cylinder block. When calculating engine displacement for engine with an overbore, the overbore is added to the bore in the calculation. The is as follows: `v = π⋅ ( (b+oB)/2)^2⋅s⋅n`. where: Piston Deck Height. Volume of a Cylinder Deck. Clearance Volume of a Piston.In retrospect I would have had it bored again since it's been honed a few times since going .030 over, so it may not have another honing left in it. ... Recently dynoed a 396" pump-gas unit with over .026" end gaps, made well over 500 HP and had minimal cylinder leakage, was very low on the leakdown numbers. Thanks, Gary in N.Y.Compression Calculator Simply fill in the form below to calculate your compression ratio Bore: (diameter) in. mm Stroke: in. mm Cylinder Head Volume: cc in. Effective DI *think* you're looking for 0.030" over, not 0.30" (which is more than a quarter inch.) The formula for calculating the volume of a cylinder is pi*r^2*h (pi times radius squared times height). You're just finding the area of the piston, and multiplying it by height. And then, since it's a V8, multiple the result by 8. From:1972 PONTIAC 455 BORED 30 OVER FORGED PISTONS RUNS NEEDS NEW CAM AND LIFTERS HAS 4X HEADS AND EDELBROCK PERFORMER INTAKE NO CARB OR VALVE COVERS ALT OR DISTRIBUTOR OR FUEL PUMP has water pump and no flywheel CONTACT FOR DETAILS WILL SHIP Attached Files: 20210729_134102.jpg File size: 296.2 KB Views: 136.Well, I've got a standard bore 396, I want to build it for max compression. Problem is, the h-gaskets I find are like 4.3" or bigger. Now, I haven't contacted Cometic, or any other gasket Co. ... as a 402 is a 30 over 396. Well, I've got a standard bore 396, I want to build it for max compression. Problem is, the h-gaskets I find are like 4.3 ...my current combo is pretty close to what your asking and it makes a honest 300 hp to the ground and roughly 360 hp at flex plate. 396 (.090 over) 414 ci. 10.2 to 1 comp. closed chambered heads ported 2.19/1.88 valves. roller tip rockers. 233/239 @ .050 with .551 lift cam hyd.It is not a very good idea to bore the 396 block out to the 4.250 to acheve the 427 bore. There just is not enough cylinder left but it is possible and many have been done. You would definitely need the 396 block sonic tested before you would know if it will work. Once it has been bored you end up with a block that can't be bored anymore.464 posts · Joined 2009. #4 · Apr 15, 2012. allansmith859 said: So a 350 bored 80 over would be a 363. Actually it's 363.98245 CI, rounded would be 364. The formula is: Bore X Bore X Stroke X .7854 (remember this easily as the top left 4 keys on a calculator keyboard, starting at the top leftt and going clockwise) X Number of Cylinders ...Algebra. Fraction Calculator. Step 1: Enter the frac, 2294 posts · Joined 2003. #2 · Jan 23, 2010. opinions on a 305 bored .30 over. Bored .30 over = 310, I had my 348 bored .30 over and dropped in a 454 crank which gave me 434 cubic inches. Used 396 rods, But to take the basic 454 beyond the magical 500-inch mark requires stretching th, The Chevy 327 bored 30 over is a small block engine that was made by Chevrolet in the Uni, Some example of cranking compression 396 engines. 7.7 to 1 compre, Never-the-less, given the stock 396 bore of 4.094" i would recomend no more than a "30 over" 40, A 350 bored 30 over is an engine that has been bor, 396 V8 ~ 4.094" bore x 3.76" stroke (1965-1969) ... Ther, Chevrolet made the 402 because in 1970 they also made, 4.540'' Bore, Fel Pro 375-1017 AFR 033-6850: Head Bolts , The deal here is, you can sometimes get away w/makin, Hey whats up guys and girls..... I am just curious as to how, Nov 24, 2001 · 1967 SS 396, M20. When your finally o, It had about the same bore and stroke as the 396-402 wh, 1829 posts · Joined 2003. #3 · Aug 10, 2005. i have yet t, Bore - A 383 uses a 4.030" bore and a 3.75" , Wiseco Pts519a3 Pro Tru Pistons Big Block Chevy 396 Dome.