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07-05-2002, 10:40 PM
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#1 |
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Registered Member
Join Date: Apr 2002
Location: Downers Grove, IL
Posts: 464
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new belt?
I have a set of underdrive pulleys (crank, waterpump, and alt) on order and was wondering if I need to get a new belt or will the idler do the work for me?
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1989 Black Mustang GT Hatchback, Underdrive Pulles, Electric Fan, Cold Air Intake, Headers, Offroad H-Pipe, Magnaflow catback, Steeda Tri-Ax, Fluidyne Aluminum Radiator, Timing at 14*, 3.73's Coming not so soon: 408w Ricer Hater's Club Member #59 |
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07-06-2002, 02:19 AM
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#2 |
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Registered Member
Join Date: May 2001
Location: Harrisburg, Pennsylvania
Posts: 379
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depends on what size belt is on it (how much travel is left on the idler).....and .....how it's run....(whether anthing i deleted .....a/c thermactor ect)
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the "not so old",old guy 87 Mustang GT T-top >hanlon t-5, pro 5.0, centerforce clutch ,adj. cable/quatrant ,3.27s ,full 2 1/2 ex(off road H) adj. reg. ,e-cam ,70mm TB, cobra intake ,1.7rr ,ported/milled e7ets w/crane springs ,306 balaced/decked short block w/speed pro forged flat top pistons ...257rwhp/302rwt best et 13.7@102 (4/11 ) '80 Capri (future project,currently collecting parts for 351 moter) |
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07-06-2002, 11:09 AM
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#3 |
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Registered Member
Join Date: Apr 2002
Location: Downers Grove, IL
Posts: 464
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It's completely stock at the moment, with a/c, stock belt, etc.
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1989 Black Mustang GT Hatchback, Underdrive Pulles, Electric Fan, Cold Air Intake, Headers, Offroad H-Pipe, Magnaflow catback, Steeda Tri-Ax, Fluidyne Aluminum Radiator, Timing at 14*, 3.73's Coming not so soon: 408w Ricer Hater's Club Member #59 |
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07-06-2002, 01:14 PM
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#4 |
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Domestic Rice really sucks!
Join Date: Apr 2002
Location: KY
Posts: 973
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Are they MAC pulleys? I had these and I didn't need a new belt. If they are mac, I will warn you. Get ready for a new battery and a few alternators. Some people have had luck with the high output alternators. I didn't try one.
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The sig says it all. 
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07-06-2002, 02:10 PM
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#5 |
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Registered Member
Join Date: Apr 2002
Location: Downers Grove, IL
Posts: 464
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I was going to order the MAC pulleys on monday because of the holiday weekend, do you recommend a set that wouldn't have a problem charging my battery (FRPP, BBK, ASP)?
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1989 Black Mustang GT Hatchback, Underdrive Pulles, Electric Fan, Cold Air Intake, Headers, Offroad H-Pipe, Magnaflow catback, Steeda Tri-Ax, Fluidyne Aluminum Radiator, Timing at 14*, 3.73's Coming not so soon: 408w Ricer Hater's Club Member #59 |
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07-06-2002, 02:45 PM
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#6 |
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NX dealer-man
Join Date: Sep 1998
Location: Peoria, Illinois
Posts: 977
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I recommend you check into a set of March Performance Power & Amp pulleys... this kit comes with an overdrive pulley for the alternator, and they advertise 10HP to the rear wheels. The billet aluminum ones are the nicest set of pulleys I've ever seen, but they are pricey compared to the steel (heavy) pulley kits. If you got the dough, get billet aluminum...
 rule of thumb... less rotating mass = more power |
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