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Discussion Starter #1
Alright is there that much of a difference in throttle bodies relating to power gain from the 52mm to the 58mm? Also are all throttle bodies emissions legal in california?
 

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Depends on your power levels...for stock or near stock the 48mm flows plenty...52mm is a good bolt on mod, but autos will need tuning to account for how the TPS%/shift tables are affected. 58mm is really only necessary for built motors IMO.

AFAIK they are all smog legal and particularly if you get a stocker bored to 52mm they're never going to know the difference anyway :D
 

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Discussion Starter #4
Chris 96 WS6 said:
Depends on your power levels...for stock or near stock the 48mm flows plenty...52mm is a good bolt on mod, but autos will need tuning to account for how the TPS%/shift tables are affected. 58mm is really only necessary for built motors IMO.

AFAIK they are all smog legal and particularly if you get a stocker bored to 52mm they're never going to know the difference anyway :D
Hey thanks for the quick reply, yeah i was just window shopping like i do every day and decided to ask. Didn't know it would need tunning after that though. Thanks again.
 

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Discussion Starter #5
sleeperSS said:
with the mods you have listed, it would be a huge waste of money to get 58 or 52mm throttle body
Like i said, I window shop in my spare time and I have a list of stuff i would like to do to my car but its just a matter of time and money.
 

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Empire said:
Like i said, I window shop in my spare time and I have a list of stuff i would like to do to my car but its just a matter of time and money.
im in the same boat....if i wasnt married, my car would be top notch, and i'd live in a cardboard box. fortunatly my wife wont allow that, lol
 

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Ive been trying to get ahold of Shaner. Supposedly he does LT1 TB's as well. Heard nothing but good things about his work on the LS1 TB's.
 

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anyone ever use the Arizona motorsports monoblade tb?? i know of a twin turbo impala running it and a new "secret" motor which will be using it and debuting it at the SSHS5 show!! works quite well on a built motor
 

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Is the AS&M 58mm twin butterfly worth the extra money over other 58mm? I know the AS&M claim that it flows 1100CFM, but in comparisson to what of other brands?
 

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FirehawkDude said:
Is the AS&M 58mm twin butterfly worth the extra money over other 58mm? I know the AS&M claim that it flows 1100CFM, but in comparisson to what of other brands?
I don't think its significantly better, no. Now a monoblade is a different story...
 
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