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05-02-2002, 07:26 PM
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#1 |
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Registered Member
Join Date: Jan 2002
Location: Orlando, Fl
Posts: 37
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pulleys and stock belt
I need to know if I can keep the stock belt when using aftermarket pulleys (aluminum BBk or MAC, accepting other suggestions...)
I have to get this topic clear before ordering. Thanks in advance
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black 95 GT, 5 speed, MAC catback, BBK o/r h-pipe, FMS 3:73, GT40P mildly ported and polished heads, MAC p-headers, roller rockers, mildly ported and polished cobra intake, XE270 comp cam, 65mm Tb, 77mm Pro-M. |
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05-02-2002, 07:34 PM
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#2 |
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Mustangs
Join Date: Jul 2000
Posts: 1,938
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It all depends on the manufacturer of the pulleys. Most times you will need to buy a new belt. Most pulleys underdrive accessories by increasing pulley size, some kits offer a smaller alternator pulley to regain battery charging and the stock belt can be retained. It really depends on what you're buying.
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2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem  1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04  1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock) |
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05-02-2002, 07:44 PM
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#3 |
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Registered Member
Join Date: Apr 2002
Location: Ottawa,ONT
Posts: 12
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I agree with 84lx89gt , one thing you can do is put the stock belt on and see how much slack is left on the belt. If is seems to be a little loose then go one size down. But if the belt is tight then is should be fine. I got the ford motorsport pulleys on mine and i had to get a shorter belt.
Ian |
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05-03-2002, 06:32 PM
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#4 |
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Registered Member
Join Date: Sep 2001
Posts: 512
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got MAC pullies and used the stock belt
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05-03-2002, 07:35 PM
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#5 |
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DURKA DURKA!!
Join Date: Sep 1997
Location: Lubbock, TX...(TX panhandle)
Posts: 1,418
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I'm running BBK underdrives with a new stock belt. You can loosen the top alternator mounting bolt and move the alternator as far out as possible to help put the tensioner back into range. I did this and was able to move the alternator about 1/4-1/2 inch out.
--nathan
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'91 GT, Coast 347, 9.5:1 compression, full intake, Wolverine 1087 cam, exhaust, Keith Craft ported Windsor Jr. Irons (235 cfm intake, 195 cfm exhaust), AOD, PI 3500 converter, Lentech valve body, 3.73's (4.10's in the works), and Yokohama ES100's out back. Daily Car: '04 Infiniti G35 Sedan 6MT |
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