FAST 102mm TB
While I don't own a Fast 102mm Big Mouth - I would suggest going with a FiTech 102mm throttle body. I can say with confidence that this is the best throttle body you can buy for our cars in terms of reliability/ease of use/price - it has all the provisions necessary to get a good idle, and it's the cheapest.
Again, I'm sure there are alternatives, and people will have their opinions - I'm simply sharing my experience with it. Do not pay big money for a throttle body. Although I know that the Fast 102 Big Mouth is only a few $ more expensive than the FiTech 102.
Sorry I can't be of more help.
While I don't own a Fast 102mm Big Mouth - I would suggest going with a FiTech 102mm throttle body. I can say with confidence that this is the best throttle body you can buy for our cars in terms of reliability/ease of use/price - it has all the provisions necessary to get a good idle, and it's the cheapest.
Again, I'm sure there are alternatives, and people will have their opinions - I'm simply sharing my experience with it. Do not pay big money for a throttle body. Although I know that the Fast 102 Big Mouth is only a few $ more expensive than the FiTech 102.
Sorry I can't be of more help.[/QUOTE I have a Fitech 92mm and have been satisfied with its performance on a 347.
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Two of my cars have Nick Williams and very happy. One car had a WARR TB with the stock TB's GM sensors also very happy.
If saving a few dollars is critical, the ~$160 WARR TB 92 or 102 is a very good deal when reusing the GM sensors. WARR TB's are also a good deal with new sensors.









