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92mm or 95mm TB on FAST 90 intake

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Old 06-12-2009, 02:36 PM
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Default 92mm or 95mm TB on FAST 90 intake

Will a 95mm TB fit on a 90mm fast intake? I already had the opening ported right to the edge of the O-ring. So I know I can fit it with a 92mm.

Can the opening be opened to match a 95mm???

I want to order either a 92mm or 95mm today?

Should I go with a TSP PTM TB or Jantzer Performance TB?

Thansk everyone Art
Old 06-12-2009, 03:18 PM
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There are guys that have filled in the upper shell all the way around the opening with fiberglass and port matched the opening to their 100mm TB.
Old 06-12-2009, 03:38 PM
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The top looks like it can be filled but the bottom it what concerns me more. I will try to post some b4 pictures.
Old 06-12-2009, 03:45 PM
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My Fast 90 looks like it has enough to go around another 5mm (to turn it into a 100mm)
Old 06-12-2009, 04:07 PM
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Yeah the outside does, but if you feel the bottom and go back about 1" it dips up and is very thin. I can't find my pictures.
Old 06-12-2009, 04:09 PM
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https://ls1tech.com/forums/generatio...look-pics.html
Old 06-12-2009, 04:22 PM
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I am looking at that. Any better picture of the bottom? I would not mind at least a 95mm. 100mm would be great!!!
Old 06-12-2009, 04:38 PM
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I tried search but could not find anyone else that did 90mm fast to 100mm???
Old 06-12-2009, 04:39 PM
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Thats not mine. I didnt do it yet.

PM the O.P. (johnster)
Old 06-12-2009, 05:02 PM
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Hey I did! well I will wait b4 till monday b4 I by a TB
Old 06-13-2009, 05:33 PM
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A 92mm TB will bolt on with no modifications to a 90mm FAST intake, but you'll have to open it up slightly to accomodate the 95mm TB. It doesn't take much.

Trevor
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Old 06-14-2009, 08:53 PM
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Trevor,
do you think I can open it up to a 95 without using puddy??? Cause I already had it painted and had a DP kit plumbed on it. Is so I will order a 95mm TB from you when you opern tomorrow!
Old 06-15-2009, 09:20 AM
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Ttt...




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