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Old Jul 7, 2005 | 09:52 AM
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gpeele
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Joined: May 2004
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From: Newport News, Va
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Default Re: Advice on engine choice

you should be fine with stock cams. most aftermarket cams keep the intake valve open too long resulting in reversion and thermal runaway because the exhaust is at a much higher pressure in turbo cars. if you insist on getting cams make sure you go with a turbo cam, higher power is made by increasing lift instead of duration.

the biggest problem with turbo honda motors i see is their open deck block, the rigidity to run high boost isnt there and the cylinder will actually move enough to affect affect head gasket sealing over time. im not sure how turbo honda guys remedy this but its something you should look into.

also look into whether these engines have a method of keeping the pistons cool. high boost puts a lot of thermal stress on pistons, if the engines dont have oil squirters, i would look into have the pistons thermal and friction coated to relieve stress.

honda motors when compared to turbo motors are very delicate. so even when you have built everything with forged internals, head and main studs instead of bolts, a good tune is necessary. a few bad pings from a poor tune will destroy your motor.

good luck with your build!

Last edited by gpeele; Jul 7, 2005 at 09:55 AM.