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

[Shannen Durphey]

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?
Shannen 

Bruce Wilcox (EUS) wrote:
> 
> Hi Guys,
> 
> I might be able to contribute to the TPI combustion chamber volume question.
> My 1987 IROC-Z was built as a 5.0L TPI / T5 transmission combination. During
> the planning phase of the 355 TPI project, I ran into this problem. I
> measured the 5.0L combustion chamber volume (after carbon removal) and it
> was close to 55 cc. It is true that the 5.7L engine combustion chamber
> volume was 58 cc.
> 
> I looked at many different heads and consulted with my uncle (induction
> system specialist). The best overall head (horsepower/dollar & emissions) is
> the Airflow Research (AFR) 190 series. The GM Corvette head would need a
> fair amount of work (missing EGR port, etc.) to bring it within the stock
> performance (power, emissions) of the AFR option. I use this head on my 355
> TPI motor (dyno results: 342 BHP @ 5200 RPM, 410 ft.- lbs @ 3900 RPM) and it
> has performed outstanding to date.
> 
> Best Regards,
> 
> Bruce
> 
> Bruce E. Wilcox
> Sr. Staff Engineer
> Ericsson Inc.
> 
> Bruce.Wilcox at ericsson.com
> wilcox at rtp.ericsson.se
> 
> 919-472-7054 (phone)
> 919-472-1103 (fax)