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Old 12-27-2011, 08:21 PM
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Need help warming-over a 78 350

Well, with posts like fuel/air velocity calculations, this question should be easy! Anyways, just bought a 78 chev PU donor truck to transplant motor, trans, few other parts in my 54 chev pu. What I would like to know is, what is the most efficient and cheap way to "warm-over" this engine? I have a low budget right now, so gaskets, spark plugs, basics, got it. But anything else? New cam? New timing chain? I dont know, so please help. It runs great for an old truck, still kicking pretty hard actually. Looking for this to be my daily driver. Thanks!

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Old 12-27-2011, 10:00 PM
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I`d say it depends on how many miles are on it. I`d snatch the oil pan and check the rod and main bearing clearances, if they`re excessive you may as well rebuild it. If they`re okay and the bores look good with no severe ridge, then I`d just replace the oil pump with a new standard volume unit, add a RV cam, double roller timing set, new gaskets, Edelbrock performer intake, Q-jet carb and throw it back together. You`ll also want to have the valve guides checked in the cylinder heads. If they check out okay then get the springs that match the cam and reassemble. If the heads need guides then you can decide if you want to get new guides installed or find another set of heads.
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