I've got a L69 sitting in my garage w/ a Performer Q-Jet intake, Crane cam (can't remember which one right off and Edelbrock TES headers. The engine has 1300 miles on it and my wife's 90 RS has over 150k so we are getting ready to swap the L69 into her RS. I want to keep the TBI but which adapter would work best? I've been thinking about Holley's adapters. Anybody ever tried adapting a TBI to a Q-Jet intake and can recommend a good adapter that actually fits right? I don't want to buy a new intake (square bore pattern) right now. I want to get this engine in, baseline it, then finish modding the hell outta it!

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Stephen Cranford

http://www.geocities.com/chevyraceshop


http://austin.f-body.org/members/cranford
97 Tahoe SS
90 Camaro RS

 

any plate that centers the TB on the manifold will do the trick.. the problem is the l69 GM manifold has seperate bores in it so youll want to get like a peformer or something of that nature
Turbocity makes a steel plate adapter for like 40 bux.. it fits ok but i dont think its worth 40 dollars it looks like it was made by some kid with a bandsaw

 

http://www.holley.com/HiOctn/ProdLin...FIA/17-41.html
Hope this helps. If that's what you're looking for.

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, Jon (91 RS too many mods to list)
Dale Earnhart, you have done so much, you will be missed.