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Old 08-10-2006, 10:45 PM
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Default Any guys using a March serpentine

pulley/belt system for standard rotation water pump in a FIA? Any clearance problems?
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Old 08-11-2006, 06:33 AM
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Your'e probably running a small block right? You should have plenty of room to spare.
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Old 08-11-2006, 06:26 PM
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Default Yup... I'll be running a 331 stroker.. I'm going to give

Summit a call to double check the compatibility of the crank pulley with the Powerforce harmonic damper...
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Old 08-11-2006, 08:54 PM
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Question

Why do you want to run a serpentine?
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Old 08-11-2006, 09:40 PM
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Default It's my understanding there's less chance of throwing

a belt with a serpentine system.. The 331 should put out about 425 HP and 425 ft-lbs so I figure it's safer to go with serpentine..
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Old 08-11-2006, 10:02 PM
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Serpentines exist for one reason-to save space.Which isn't a problem in Cobras.A properly aligned pulley system with a properly sized V-belt will not give you any problems.
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Old 08-12-2006, 06:13 AM
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I can say with all certainy, the serpentine has been the best move for my car. I used to toss the Alt belt over 7000 RPM all the time. Now, no problem. I am running one March and two Ford pullies.
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Old 08-12-2006, 07:26 AM
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Trularin, how about some additional details, maybe a photo of your setup? Which pulley is a March? part number? How about specs on the Ford pulleys, maybe part numbers? Which water pump are you running, long or short? Inquiring minds want to know.

I finally used a stock 1987 Mustang crank and alternator pulley set on my 351W with a standard rotation long water pump. I found a water pump pulley from a 1987 T-bird Turbo Coupe that would work but had to space the crank and alternator forward 1/4" to align everything. Just wondering how you did it and how many hoops you had to jump through to make it all work.
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Old 08-12-2006, 11:20 AM
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Trularin-with due respect,what did the original FIA cars do for belts?Serpentine didn't exist then.

If a V-belt system is "blueprinted" correctly,there are no issues.
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Old 08-27-2006, 10:37 PM
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Where can I get 4 bolt V-belt pulleys for a crankshaft and water pump? I found a few Mustang suppliers.. but they are all 3 bolt pulleys. I'll be running a '79 331 with standard flow and length water pump.. Also, the Powermaster (retro 60 amp- external regulator) alternator I have has a two groove pulley. I thought it would of come with a single groove.. I thought I'd run one belt over all 3 pulleys..
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