mismatch flanges
mismatch flanges
Just got the Turbo headers(BBS) and the flanges are bigger than the turbo's. I believe they go by only Turbonetics specs. Do they make adapter flanges? If so would they be the best way to go? Any ideas or suggestions besides giving up, lol. This really sucks, cause i was looking foward to throwing it in along w/ the baer brakes.


Your turbos have Garrett T3 flanges, and you manifolds have Garrett T4 flanges.
A quick search on google turned up this adapter (on the bottom of the page)...
http://www.turboengineering.com/misc...s/flanges.html
It's made to go the other way (T3 mani to T4 turbo), but I don't see why it wouldn't work for you.
A quick search on google turned up this adapter (on the bottom of the page)...
http://www.turboengineering.com/misc...s/flanges.html
It's made to go the other way (T3 mani to T4 turbo), but I don't see why it wouldn't work for you.
Member
Joined: Nov 2000
Posts: 323
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From: mayfield, OH
Car: 82 Trans am
Engine: Twin turbo 350
Transmission: T-56
I'm not sure if the BBS kit comes with a downpipe, but if it does that adapter will throw everything off. My vote is to either get a T4 flanged turbine (you probably want something bigger if its a single anyway), or cut the flange off and weld the proper t3 flange on (assuming you are set up to do some welding).
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