Throttle body

[Paul Hellenberg]

Originally Posted by Bryan Worner

If you were building a 1990-1992 Chevy 350 (245/275) for Stock or Super Stock, utilizing the NHRA Engine Blueprint Specification Guideline and Stock Car Classification guidelines, what throttle body would you "legally" use?

As far as I know all the GM 2 port throttle bodies are more of less the same spec. The publish size is in the blue print specs. Some of the TB have slightly different throttle attachments.