243 valve job
#1
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i have a ls1 im about to start on, i just bought some 342 heads off a tbss ls2, im wanting to get them ported polished and shaved and also put bigger valves in them. any number out there on how big of valve i can put in there or should i just explain to the machine shop what im looking for? im new to all this so take it easy on me Thanks
#6
Staging Lane
Join Date: Jun 2010
Location: Kentwood, LA and Beebe AR
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#8
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i just figured it would add a little extra power and they have over 100k miles on the heads i got. im just wanting to refresh the heads before i put them on so i dont have to mess with them later down the road