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Depends on what the engine will be used for.To save money, go hyper if it's for a daily driver with little or no abuse.If it's for a full-on competition vehicle with over 600 H.P.,Go forged.You also want forged connecting rods and crankshaft.

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โˆ™ 2006-05-02 01:44:29
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Q: You want to run 10.51 compression in a 350 so should you go for hypernumatic or forged pistons?
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Related questions

What are the symptoms of bad pistons in a Chevy 350?

If the pistons are bad it should be smoking a bright blue color out of the exhaust. Are if a piston skirt is broken it should be knocking all the time. If there is a whole burnt in the piston you will not have any compression on that cylinder. Most of the time pistons just don't go bad.

How much compression should you get out of a 95 350 freshly rebuilt bored 30 over?

I did my chev 350 and I got 150 psi before running the motor.ANOTHER OPINIONThere are a number of factors that will determine the compression of a new engine. First, the rings aren't sealed yet so you may or may not have good compression based on that.Second, what's your altitude? When you check the compression at low altitude it will be noticeably different than at higher altitude.Third, how are you "cranking" the engine? if you're just using the starter, you may not get a lot of compression because of the low cranking speed.Fourth, what lubricants did you use for assembly? If friction is a little high, again, you won't be able to crank the engine very fast.Another variable will be the pistons; if you've used high compression pistons the compression will be up. If you've used traditional pistons... not so much.Another OpinionYou should get at least 175 psi to 188 psi

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