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Fast 90mm to stock maf

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Old 04-26-2007, 10:34 PM
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Default Fast 90mm to stock maf

What kind of tube is everyone using. I installed the instake today and can not get the stock tubing to go around the TB.

Any suggestions or what part do I need?
Old 04-26-2007, 10:51 PM
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You may want to go to a hardware store and pick up a tube/coupler big enough to fit over what I am assuming is a 90mm TB.
Old 04-27-2007, 12:26 AM
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You can use the stock bellow, you just have to fight with it a little to get it on.
Old 04-27-2007, 07:10 AM
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So the stock bellow will go over the fast 90mm TB? I guess I may have to use a little oil to help slide it over.
Old 04-27-2007, 06:40 PM
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Originally Posted by BlackHawk131
So the stock bellow will go over the fast 90mm TB?
I'm not sure about the Fast tb but I know the stock bellow will fit the Nick Williams.
Old 04-27-2007, 08:17 PM
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This is a similar situation to what I had while putting the K&N FIPK on my Camaro with the SLP 85mm mass airflow sensor. The FIPK is made to work with the stock 75mm mass airflow sensor. Needless to say when I went to hook up the bellows, it was 10mm too small. There is a solution to fitting it correctly without having to cut anything or buying a bigger bellows (although I did have to buy one bigger holding clamp/worm clamp). The solution is to get a big bowl. Run the hottest water you can muster from your tap and place the bellows in the hot water for 2-3 minutes. This will make the rubber expand and become more pliable. Then I pulled out the bellows, stretched it open by hand as much as I could and quickly dried it off. It then fit over my SLP with just a little bit of effort.
You should be able to get away with the same technique with your bellows and 90mm throttle body. If hot tap water doesn’t work, try boiling water and stretching.




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