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Thread: throttle body size
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05-10-2009, 01:05 PM #1
- Join Date
- May 2009
- Location
- Livonia mi
- Posts
- 33
blue- 1999 trans am
throttle body size
I believe the stock size throttle body is 75 mm for my 99 ta if i go bigger to a 85 mm will i need any adapters? Or will it fit right up also is it the same if i get a larger maf sensor?
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05-10-2009, 01:55 PM #2
- Join Date
- Oct 2007
- Location
- Beaver Dam KY
- Posts
- 7,745
79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
Stick with the stock stuff until you are ready to go with the FAST intake(90mm) gains are minimal and a ported TB and the stock MAF are the way to go.
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05-10-2009, 02:30 PM #3
Wheather you change anything about that area, the bellows ( assume this is what your asking about) will fit. With my 92mm FAST and 92mm PTM TB.... they fit. Its really tight, but it works. Dont worry about changing the MAF out. No gains, money better spent else where.
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