3927187 heads
#1
3927187 heads
Does anyone have any information on these heads? I know they're 64 cc heads from 69 - 70 but information more than that would be helpful. I've already been to mortec.com and a few other sites. I'm looking for valve sizes and what type of vehicles this came in. I know they were on 350's.
Thanks!
Thanks!
#2
These Heads should be named unobtainium because there are none to be found. As far as what I've learned they came on 1970 Corvettes with the LT-1 body option, not the common Lt1 engine, those were 186's except the Corvette LT-1, you know the one with the big block hood!. Also they came on the 1969 Z-28 when you ordered the dual quad cross ram manifold, you know the option that came in a box in the trunk and you or the dealer would install it. Back in 1978 my neighbor had a yellow LT-1 1970 Vette and while he was adjusting the solid lifters I noticed it had screw in studs and I said, my '70 Z28 just had reg.press in studs. I know now these were rare heads.
#3
#5
And probably cheaper too! I bought a 1970 Z28 brand new in 1970. It came with the screw in studs and guide plates. Valves were 202/160s, Chevy part # was 3987376. It was also a service replacement head for the 302 after 1969. Valve lash for the LT1 was 24/30.
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