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What coupler are you guys using with your 90MM TB's?

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Old 12-20-2006, 09:49 AM
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Default What coupler are you guys using with your 90MM TB's?

Im pretty sure stock is too small, what are you using?
Old 12-20-2006, 09:51 AM
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I used the fernco one, I'm sure you could find a link through a search. It's the same as any 4in x 3.5in rubber coupler you'd find at a hardware store. I believe all of them require some trimming.
Old 12-20-2006, 10:00 AM
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Got mine from TSP. Also got a 90mm lid with it.
Old 12-20-2006, 11:31 AM
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Originally Posted by 11 Bravo
Got mine from TSP. Also got a 90mm lid with it.
so the stock MAF is 3" correct? I believe the TB is 4" opening. if thats the case ill go to a silicone coupler site nad order from them.
Old 12-20-2006, 12:14 PM
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You can just get a rubber coupler from home depot too. Cheaper and serves the same purpose.
Old 12-20-2006, 12:48 PM
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Originally Posted by V6 Bird
so the stock MAF is 3" correct? I believe the TB is 4" opening. if thats the case ill go to a silicone coupler site nad order from them.

Yea, ignore my 3.5" comment, I forgot I was running an 85mm MAF.
Old 12-20-2006, 05:38 PM
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Yeah a 3"-3.5" rubber coupler from home depot works, if you are using the stock maf. If you are running the 85mm use a 3.5-3.5.
Old 12-20-2006, 06:47 PM
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My SLP bellows fit well, tightly, but well over my Holley 90mm TB.
Old 12-20-2006, 09:25 PM
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Don't know about the rest of the 90mm TB's out there, but the NW TB will accept the stock bellow.

Dan
Old 12-21-2006, 09:37 PM
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Slp bellow fits good.




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