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Old 03-15-2007, 06:56 PM
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Cams!!

Im rebuilding a 350 and i want flat head pistions but i wana knoe whats the bigest cam i can get be for it hits the pistions?????

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Old 03-15-2007, 07:15 PM
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What type of heads are u using? I think minimal clearance is .050'' between the two. What is your deck height?
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Old 03-15-2007, 07:31 PM
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it all depends, combustion chamber cc, deck height, rocker ratio...
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Old 03-16-2007, 12:11 AM
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The only way to know for sure is to check it yourself with either of two methods, clay on the pistons or the "checking spring" method. Scroll down and read how to do it......
http://www.iskycams.com/camshaft.php
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Old 03-16-2007, 12:38 AM
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Quote:
Originally Posted by sdime1984
Im rebuilding a 350 and i want flat head pistions but i wana knoe whats the bigest cam i can get be for it hits the pistions?????

In most cases the "biggest" cam is not usually the way to go.There are so many factors that need to be looked at in accordance to a good cam selection. For example: How well do your heads flow?...Are you using cast iron exhaust manifolds or tubular headers?....valve diameter, intake manifold and carb setup are also important. Do you want a smooth idle or an idle so rough that it'll bang your head against the drivers window? And where do you want your engine to make it's power? Down low in the bottom end....mid range... at the top end....or evenly across the entire rev range. So first decide how you want your cam to function, then give your wants and your other engine specifications to your cam grinder and together you will have a cam which is not necessarily the "biggest" but certainly the "best" for your package.
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