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Old 11-16-2012, 03:17 PM
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496CHEVY3100 496CHEVY3100 is offline
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me 2 cents I purchaced a set of procomp oval port 300cc aluminum heads pro comp layered gaskets and proconp studs for aluminum headsfor a total of $1150.00 including tax from ASA in COLUMBUS GA add said completly assembeled opened package today to puy on my BBC engine they are NOT together have to put on guide plates and studs problem is bolts for studs are7/16, holes in heads 4 are 7/16 4 are 1/2 holes 1 head came with helicoil but they dont fit the holes 2 guide plates do not align with pushrods the set at approx 30 degrees so i am going to have to remove heads redrill tap and helicoil both heads so rocker studs will fit i will loose layered head gaskets 70.00 plus labor sealer and antiseize trial fit intake after problem with heads you guessed it, intake does not fit some of bolt holes are off 1/2 of the hole this is a factory GM tripower intake so i cant enlongate holes with runing value of intake approx $1200 just incase anyone cares I AM NOT HAPPY, Dont wast your money
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