UNDERDRIVE PULLEYS INSTALLED NOW CHARGING PROBLEM

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03-08-2006, 11:35 PM

#11

1990mustanglx

2nd Gear Member

Join Date: Mar 2006

Location: beverly mass

Posts: 261

RE: UNDERDRIVE PULLEYS INSTALLED NOW CHARGING PROBLEM

no mines not that bad it has never stalled and it always starts right up and wen im at higher rpms it stays at the right volt amount

03-08-2006, 11:36 PM

#12

Tims 88GT

6th Gear Member

Join Date: Jan 2005

Location:

Posts: 7,657

RE: UNDERDRIVE PULLEYS INSTALLED NOW CHARGING PROBLEM

what you should of done is get MARCH power and amp pullies so you don't have a charging issue. but a bigger alt will solve the problem, a 3g or a ssp police alt.

03-08-2006, 11:45 PM

#13

ricepatrol

3rd Gear Member

Join Date: Apr 2005

Location:

Posts: 543

RE: UNDERDRIVE PULLEYS INSTALLED NOW CHARGING PROBLEM

Quote:

both alt pulleys are same size

Both the alternator pulley and the underdrive alternator pulley are the same size, is that what you're saying?

Quote:

you have to watch mixing under drives with stockers sometimes the belt wont fit right

Yeah, I forgot that it might be a little tight on the belt if you switch from underdrive to stock.

03-08-2006, 11:51 PM

#14

sapp91stang

Thread Starter

Join Date: Feb 2006

Location:

Posts: 14

RE: UNDERDRIVE PULLEYS INSTALLED NOW CHARGING PROBLEM

what is a 3g alt?

03-08-2006, 11:59 PM

#15

PRO50SC

The Rogue Mod

Join Date: Feb 2006

Location: Maryland Sucka's!!

Posts: 21,918

RE: UNDERDRIVE PULLEYS INSTALLED NOW CHARGING PROBLEM

Quote:

ORIGINAL: sapp91stang

what is a 3g alt?

This should help out alot!! It's very easy to do too.

http://www.fordmuscle.com/archives/2...e/index2.shtml

03-09-2006, 12:13 AM

#16

extreemthrottle

Join Date: Feb 2006

Location:

Posts: 17

RE: UNDERDRIVE PULLEYS INSTALLED NOW CHARGING PROBLEM

got the underpulleys on my 95, put a 130amp alt in still dimms the lights when idling, however i put a optima red top batt. in and seem to help alot. by the way i have three amps for the stereo and two 8" in the trunk, which draw alot.. tried the stock pulley first the belt was too tight tried a larger belt but did'nt fit right.. good luck................