INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

350 bore

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Old 06-08-2009, 07:59 PM
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Default 350 bore

I have a 350 block out of a 89 camaro. How high can you bore these engines can you go over a 400? Thanks
Old 06-08-2009, 08:16 PM
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no a 350 bore is 4.00'' and a stock 400 bore is 4.125'' so you would have to bore it .125 thousanth, not gona happen. throw a stroker crank in that 350 with some 6'' rods, get your cubes thatway
Old 06-09-2009, 10:29 AM
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Depends on the blocks, search your casting numbers and you should be able to find out. Some 350 blocks have a bit thicker walls than others. You can go between .040 and .060. Cant go to a 4.125. If you look around 400's are relatively cheap around here anyways if thats what you want to do. But with the siamese bores, you have to make sure your cooling system is up to the task or you will have big troubles fast.
Old 06-09-2009, 07:58 PM
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.60 is safe but pushing it.
Old 06-09-2009, 08:42 PM
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They have a new 4.OH stroke crank for those little darlings.

Wish they were out when I was playing around with my lunch money.

(^^^*%&^*()*&^$#@$^* house taking all my money
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