MellowYellow01

Has anyone used bbk polished under drive pully kit?if so do you like it or is it a wayste of money.Also im thinking of putting a accufab 70or75mm throttle body and plenumSould i go with 70 or 75 or is this a wayste of money?Anyones help

gt96stang

Ditch the bbk, and go for Steeda. And a 75mm t/b... I wouldn't do these mods first though if the car is stock.

stangc83

what is the difference between the bbk underdrive and the steeda?? and i thought the 75 mm was mainly for if you plan on going with a s/c.

2000STANGGT

BBK are piggyback, which means it bolts on to the stock crankshaft pulley. The Steeda is a crankshaft pulley. Some people install bbk's wrong, meaning they just use the bbk by itself over time it will wears the crankshaft out. So save $200.00 for Steeda ones.

04BlueGT

+1 on the Steeda. I had MAC piggybacks for a few weeks and they caused vibration, which caused misfires. Not worth the effort, IMO. I would not do the tb/plenum until the exhaust is done. Then, 70 or 75 either one. 75 is best for FI, but will not hurt if you're NA.

blueherd02gt

http://www.steeda.com/
180 bucks now

nanaki

please stop spreading rumors. 75 or 70, doesn't make a difference if you're blown or not. you don't get much HP from a 75mm tb/plenum with forced induction. you get roughly the same exact games as an n/a GT with a 75mm.

on a side note, the MUCH cheaper MAC got me a whopping 2RWHP more than the accufab.

footpedal

not trying to hijack thread,, but on the subject of steeda pullys,, i noticed on steeda's website,, they have one kit i see i need for 2001+ GT models,,, but then at the bottom, there is a underdrive crankshaft pully listed?? do i need to order that also??
so then my total cost would be like 340.00 correct??

or is the undrive crankshaft pully included in the kit for 179.00 ??

gt96stang

Crankshaft pulley is included with the kit...

MellowYellow01

i like the look of the bbk's much better but the steedas seem to perform better .everyting else under the hood is chrome.Do theey make the steedas polished or chrome?