Topic: Just Pulled Engine\Trans out of car, please help
in Forum: C3 Engines
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Former Member
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Huntingdon Valley, PA - USA
Joined: 8/13/2002
Posts: 5
Vette(s): 1964 fastback
The engine isnt original, there wasnt any numbers but these under the piston crown: 185-99
And on the back block it has: HM3892657
Also the trans has these numbers on it: P0817 and S100413
please help if you can, thanks all
And on the back block it has: HM3892657
Also the trans has these numbers on it: P0817 and S100413
please help if you can, thanks all

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Former Member
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Alba, TX - USA
Joined: 9/5/2002
Posts: 11
Vette(s): 1978 black L48 all original 68,000 mi.
Engine:1967 302 cid 290hp Z28 small-journal
thats all I can give you. keep in mind that this is the original setup of that engine. it could have been bored, stroked heads may be different (BTW, what are the numbers on the heads?)

Former Member
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Huntingdon Valley, PA - USA
Joined: 8/13/2002
Posts: 5
Vette(s): 1964 fastback
the cylinder head number is :
GM38
3991492
F213
These are all the casting numbers on the heads. Thanks.
GM38
3991492
F213
These are all the casting numbers on the heads. Thanks.
Former Member
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Alba, TX - USA
Joined: 9/5/2002
Posts: 11
Vette(s): 1978 black L48 all original 68,000 mi.
you have the second most desired small block head. 1969-72 hi-comp (61.2 cc) good ports. the 2.02/1.6 valve versions will have screw in studs and guide plates. originally came with non-harden exaust valve seats but probably been replaced with harden seats for use with unleaded gas. bad point: Close proximity of water jacket to spring pocket on 492s cast prior to 1972 requires a special seat cutter if using larger springs. this head was originally used on 350 blocks
you have a pretty bad-ass motor, it's just not the original.
BTW what do you think your going to do with it? rebuild?
|UPDATED|9/11/2002 11:18:31 AM|/UPDATED|
you have a pretty bad-ass motor, it's just not the original.

BTW what do you think your going to do with it? rebuild?
|UPDATED|9/11/2002 11:18:31 AM|/UPDATED|
Former Member
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Huntingdon Valley, PA - USA
Joined: 8/13/2002
Posts: 5
Vette(s): 1964 fastback
The engine also has a roller cam. I dont know what to do with the motor and it does run strong. What do you think the motor would bring? I have another 327 I may put into the vette. It may be more valuble to someone building a z28 so i may just cover it up in the corner of the garage
.

in Forum: C3 Engines
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