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» Northern California Ford Owners     » Automotive   » Tech Talk   » underdrive pulleys

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Author Topic: underdrive pulleys
j0eyabs
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Member # 1026

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anyone with a 5.0 have any cooling or charging problems after installing underdrive pullies? I have a 130amp alternator, will i have major charging problems?
Posts: 767 | From: California | Registered: Mar 2002  |  :
hidnn.o.s.
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I have a stock alternator and a big stereo and have no problems

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R.I.P. Willie G. You are missed on this forum

Posts: 15950 | Registered: Apr 2002  |  :
j0eyabs
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you dont even have a problem when your at a light or stop sign. also what brand pullies did u get?
Posts: 767 | From: California | Registered: Mar 2002  |  :
StoplightWarrior
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I have March underdrives on the Cobra, and no problems...the lights dim very slightly at streetlights and drivethrus but nothing major...Pulleys are a great mod.

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2000 GT
couple bolt ons

Check out the website: peep it

Posts: 2952 | From: Bay Area, CA | Registered: Mar 2001  |  :
JoeT
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I think unless you have the 130 alternator (which you do), you will likely have some charging problems at idle. On my car with a mark 8 electric fan and underdrives at a 650 rpm idle I'd see the volts dip quite a bit. Around 800 rpms though it's where it should be.

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1984 Ford Tempo AOD--- RIP

Posts: 6785 | From: San Jose | Registered: Jun 2001  |  :
Stimson
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Stick on a 180 thermostat and enjoy the pullies. I've been running a 180 thermostat and underdrive pullies along with an electric fan with the stock alternator for 80,000 miles. I kill my pep boys house brand battery every year to year and half. Finally the stock alternator died and I just installed a 3G for only $30 more than the stock 2G at Autozone.
Posts: 2373 | Registered: Jun 2000  |  :
Norgs
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quote:
Originally posted by hidnn.o.s.:
I have a stock alternator and a big stereo and have no problems

same

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R.I.P. Miles 12/8/02
R.I.P. Mike 12-2-03 cant believe it. gonna miss u man!!

Posts: 1031 | From: Tempe...formally San Ramon | Registered: Dec 2001  |  :
Drew B
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i have no problems

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AKA.GR40coupe

Posts: 1992 | From: Nor-cal | Registered: Jan 2002  |  :


 
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