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Unread 08-13-2013   #1 (permalink)
exceso is offline Apprentice


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Default BBK UDP (piggyback) for Mustang 2000 gt

Hey friends,

So finally I ended up with 75mm bbk TB, Trick Flow Plenum and BBK CAI, Transcooler for my auto.

I have a little bit of a situation with the BBK UDP the Alternator and Water pulleys seems to be quite different from the stock ones in size, i don't know if that could mess up my heating for the water pump and charging for the alternator, i mean i could install them but really don't know any problems in the future or should i only install the crank pulley or it is not recommended just to intall the crank pulley?

I am running stock alternator, with stereo, 2 amps (1 for 2 12" woofers and 1 for 2 set of speaker and 1 set of tweeters) , equalizer.

Thanks for your help.

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Unread 08-13-2013   #2 (permalink)
SoCal2V is offline SHELBY GT 350 Member

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They're supposed to be different diameters than the stock pulleys, that's the entire point. I've had those same ones on my car for 6 years, no issues despite all the bad stuff that's been said about piggyback pulleys. Cools fine, charges fine, runs fine. Don't really do a whole lot besides dress up the engine though, and if you ever go s/c you'll need to put the stock pulleys back on because as the term "underdrive" implies, the motor won't spin the blower as fast as it could with the stock pulleys.
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Unread 08-13-2013   #3 (permalink)
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Quote:
Originally Posted by SoCal2V View Post
They're supposed to be different diameters than the stock pulleys, that's the entire point. I've had those same ones on my car for 6 years, no issues despite all the bad stuff that's been said about piggyback pulleys. Cools fine, charges fine, runs fine. Don't really do a whole lot besides dress up the engine though, and if you ever go s/c you'll need to put the stock pulleys back on because as the term "underdrive" implies, the motor won't spin the blower as fast as it could with the stock pulleys.
thanks i will give it a try, if something weird happens i will just go back to stock

i am just waiting for the tuner to be delivered and straight to the track.
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Unread 08-15-2013   #4 (permalink)
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I have Steeda pulleys no charging problems. I had Summit piggy backs before that and when I had them installed the crank pulley would not tighten, It was just loose I would of had oil going everywhere. I returned them got the Steeda pulleys no problems
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