Lt1 ????
Lt1 ???? IM very new to this site and a LS guy but was told to go here from corvette forums, so basically im here now. The question is that my buddy has a Lt1 that is stock and is wondering if a set of stock ported heads will work on his engine with no problems. They are milled about .030", so will that work on a stock Lt1 or will the valves hit the piston?? What is the stock engine decked at any way, if anyone knows this? Could he possibly run a thicker gasket to achieve this? 
confusing to know this, as to which he does not want to buy these if he cant use them.
Thanks, all
confusing to know this, as to which he does not want to buy these if he cant use them.Thanks, all
ptv clearance has mosty to do with what size valves you use and how big the lift of a cam you choose
if your using a stock cam, stock size valve you will have no problems with clearance
if your using a stock cam, stock size valve you will have no problems with clearance
how about are your heads milled .030"?
im just trying to figure out if these heads will exactly fit with no issue and not cause him to blow an engine and destroy $1000 heads and whatever else it may blow up!
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stock untouched bottom end, heads were surfaced, just check the ptv cleanance before you start her up
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wont i have to use solid lifters so the lifter wont collapse while im turning the engine over by hand with the clay in between? Or can I just use the original lifters and topend kit already and check it?
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Joined: Nov 2005
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I gutted the lifters and used a bolt and nut under the lifter top IOT make a solid lifter (backed nut out to tighten lifter top a few thousandths below the retainer spring clip) then installed the push rods and rockers .
Mike
Last edited by aboatguy; Jul 26, 2009 at 09:11 PM.
