TPI cyl. head #'s (was Re: )

Guenther,Max Mguenther at ASCO.COM
Wed Apr 7 16:54:53 GMT 1999


I've got a set of iron heads on my old vette that I was told were from a
305 HO Camaro and they have what I think to be 58cc chambers.(maybe 55,
I was not real exact with my measuring and I was not aware of a 55cc
head, so I assumed 58)Dont know the #.

>----------
>From: 	Andrew K. Mattei[SMTP:amattei at mindspring.com]
>Reply To: 	gmecm at esl.eng.ohio-state.edu
>Sent: 	Wednesday, April 07, 1999 10:06 AM
>To: 	gmecm at esl.eng.ohio-state.edu
>Subject: 	Re: TPI cyl. head #'s (was Re: )
>
>>3 questions:
>>What are the casting #'s for the iron 350 heads?
>>Are they used exclusively on F body?
>>What performance books/ references cover the later heads?
>
>>
>>Bruce Wilcox (EUS) wrote:
>>> was close to 55 cc. It is true that the 5.7L engine combustion chamber
>>> volume was 58 cc.
>>>
>
>
>Ya'll have now made me curious... I can't find any web references to the TPI
>cylinder head combustion chamber volumes (nor the casting number), and my
>heads are at the machinist's place <G>. I have in front of me a GMPP
>catalog, that lists the casting number for an iron head as 14011083, 64cc
>chamber, 1.94"/1.50" valve sizes. *If my memory serves me correctly*, that's
>the head that was on my 1989 TPI motor (out of a Camaro).
>
>Reason I'm curious... At the last minute, instead of machining my stock
>heads, I opted to purchase some low mileage World Products S/R Torquer
>heads... And those have a 76cc volume. If indeed the iron heads have a 58cc
>size (which I somehow doubt...), then my CR would be way too low... Looking
>down the catalog here, I see that the Corvette Aluminum TPI head had a 58cc,
>1.94/1.50, casting number 10088113...
>
>The GMPP catalog lists the iron head application as a "350 284 HP service
>head"... Which means it may or may not have been used on other cars. IIRC,
>the iron head ran with a 9.3:1 CR...
>
>Abbreviations-R-Us,
>
>-Andrew (if you build it, it will run... <G>)
>
>



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