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#1 |
Registered User
Join Date: Mar 2013
Location: Mesquite, Texas
Posts: 16
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heads question
ok i got a 79 doner truck that had motor and trans already out so i took the heads of to see if it had ben bored and with a micrometer it read 4.006, and the block numbers that i was pulling were showing it as a 68-69 350 but a guy i work with said no its a 77 block and neither one of us can find informationon heads
the number on the heads are 8973487 x gm11 A1 32 can some on tell me what i got to be certain |
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#2 |
Addicted to Rust
![]() Join Date: Dec 2009
Location: Abbeville SC
Posts: 1,030
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Re: heads question
487 head info
‘71-’76 76cc, best large-chamber head; 1.94/1.50 & 2.02/1.60 valves available; latter machined for screw-in studs & guideplates
__________________
Current trucks: (48 GMC100 320 inliner) Gone (48 Suburban in pieces) Sold 87 GMC CCSB 5.3 4l60E Daily Driver ECTA National record holder XO/PP We never really grow up, we just learn how to act in public. |
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