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Old 05-12-2015, 05:47 PM
Tsarge Tsarge is offline
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Default 1969 L-88 Corvette engine questions

I have a original L-88 engine that is stamped TI0924IT. It is all original except for the head gasket as far
as I can tell. The camshaft is stamped 8911 and I believe that translates to part number 3928909. This is an aluminum 842 closed chamber head engine and I thought the cam should be the 3925535. Are these two part numbers both for the early 69-L88 engine, and
are the spec's the same for both part numbers?
Also the 842 cylinder heads dated 7 18 68 and 8 23-68, were painted orange matching the age of the cylinder block. My understand was only the 67 L-88 aluminum head was painted orange with the block etc. Can anyone explain this? Also is the correct head gasket GM 3887179 (reddish brown in color for this engine.?
Thank you
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Old 05-12-2015, 08:36 PM
earntaz earntaz is offline
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Default Re: 1969 L-88 Corvette engine questions

According to the Corvette Black Book, "T" prefix indicates engine assembled in the Tonawanda plant and suffix IT indicates 1968 "Heavy Duty-430HP" 427 of which there were 80 out the door. TAZ
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Old 05-12-2015, 08:37 PM
earntaz earntaz is offline
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Default Re: 1969 L-88 Corvette engine questions

And if the head gaskets were composite they are probably Victor ...
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Old 05-12-2015, 09:19 PM
olredalert olredalert is offline
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Default Re: 1969 L-88 Corvette engine questions

----Does this engine have a serial #???.....Bill S
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Old 05-12-2015, 09:51 PM
Tsarge Tsarge is offline
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Default Re: 1969 L-88 Corvette engine questions

Bill

No VIN Stamp but pas is pure I had it verified by
a couple of NCRS judges.

TS
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Old 05-13-2015, 04:26 AM
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PeteLeathersac PeteLeathersac is offline
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Default Re: 1969 L-88 Corvette engine questions


I was going to ask about a Vin stamping too also welcome aboard TS!
Besides deck pad, have you looked the complete block over closely for other stampings also is there an extra digit in the # you posted above...the I after the first T perhaps?
Great find either way but if Vinless and genuine, it's destiny must certainly be with one of the original cars?
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Old 05-13-2015, 04:47 AM
Tsarge Tsarge is offline
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Default Re: 1969 L-88 Corvette engine questions

Sorry the stamp is T0924IT, fat fingered error. The engine was used by Hilborn Injection as a test engine for there injection systems. It was purchased by a drag racer that knew Stuart Hilborn in 1969 and stored until I bought it earlier this year. I have restored Corvettes since 1977. The pad looks good to me and as I said I had it looked at by others perhaps more qualified and they said it was fine.
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Old 05-13-2015, 12:11 PM
olredalert olredalert is offline
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Default Re: 1969 L-88 Corvette engine questions

----Cool history!!!.....Bill S
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