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HEMI Pulleys - Bouchillon Performance #1249469
06/11/12 10:26 PM
06/11/12 10:26 PM
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faud88 Offline OP
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I picked up these Hemi Pulleys last week made by Bouchillon Performance. The crank pulley is a double groove for Power Steering. Does the water pump and crank pulley look correct? Something is not right here.







Re: HEMI Pulleys - Bouchillon Performance [Re: faud88] #1249470
06/12/12 12:55 AM
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JohnRR Offline
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What year did you buy them for ? The water pump pulley is not the 69-71 repop.

Re: HEMI Pulleys - Bouchillon Performance [Re: faud88] #1249471
06/12/12 03:24 AM
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70Duster440 Offline
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Look like the OEM pulley's on my 440. PS is a little larger. WP and crank line up?

Re: HEMI Pulleys - Bouchillon Performance [Re: 70Duster440] #1249472
06/12/12 11:01 AM
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MLR426 Offline
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I like the larger top pulley for belt gripping. I don't see a problem with the pulleys as you have good belt alignment.

MLR426

Re: HEMI Pulleys - Bouchillon Performance [Re: faud88] #1249473
06/12/12 12:17 PM
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AndyF Online content
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If it is for a street car you might want a smaller pulley on the water pump.

Re: HEMI Pulleys - Bouchillon Performance [Re: AndyF] #1249474
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faud88 Offline OP
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It is for a street car. I just have never seen the crank and water pump pulley that close to each other. They do line up.

Re: HEMI Pulleys - Bouchillon Performance [Re: faud88] #1249475
06/12/12 12:53 PM
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It's a dry heat
gtx6970 Offline
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It's a dry heat
I'll give you a heads up now.

Media blast the paint off they use. then scuff the belt grove with something like 80 grit , then repaint.

I had a lot of belt squeels till I did just that

Re: HEMI Pulleys - Bouchillon Performance [Re: gtx6970] #1249476
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MLR426 Offline
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Use the large pulley it gives better grip for the belt and during high RPM rev's you will need it.
Use a high volume water pump, it's pretty much a must use part.

MLR426

Re: HEMI Pulleys - Bouchillon Performance [Re: MLR426] #1249477
06/12/12 09:40 PM
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faud88 Offline OP
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So it sounds like this pulley set up is normal. I just have never seen the crank pulley and the water pump pulley that close to each other.

Re: HEMI Pulleys - Bouchillon Performance [Re: gtx6970] #1249478
06/12/12 10:28 PM
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Quote:

I'll give you a heads up now.

Media blast the paint off they use. then scuff the belt grove with something like 80 grit , then repaint.

I had a lot of belt squeels till I did just that [/quote

Re: HEMI Pulleys - Bouchillon Performance [Re: faud88] #1249479
06/13/12 12:44 AM
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I don't think that is a normal combination of pulleys, but that doesn't mean that it won't work. You'll just have to try it and see. For a street engine you would probably want a smaller water pump pulley in order to move more water. The combination you have on there right now looks more like a circle track setup that slows the water pump down for higher engine speeds.

Re: HEMI Pulleys - Bouchillon Performance [Re: faud88] #1249480
06/13/12 01:09 AM
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I really don't think you have anything to be worried about. These are OEM pulleys on my 440. Yeah, they're close together. Been running them for years - no issues. I had them powder coated before actually putting them into service. No slippage, no squeals. In fact, the powder coat has not worn out of the grooves. I can tell you that if your PS belt flaps at all it may contact the WP pulley and mar the finish.

7248208-pulleys.jpg (656 downloads)
Re: HEMI Pulleys - Bouchillon Performance [Re: AndyF] #1249481
06/13/12 01:38 AM
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I wouldn't worry about it. Ask the folks at BPE about them.They sold them to you. Those guys & gals are very knowledgable about thier parts & will explain any worries that you have.

Cars with low gears on the street would probably benefit from those pulleys especially being that the coolant will slow down enough to absorb heat instead of flying by at a higher rpm
That's why the circle track boys run a setup like that

Re: HEMI Pulleys - Bouchillon Performance [Re: BulletBob] #1249482
06/13/12 02:55 AM
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Quote:

I wouldn't worry about it. Ask the folks at BPE about them.They sold them to you. Those guys & gals are very knowledgable about thier parts & will explain any worries that you have.

Cars with low gears on the street would probably benefit from those pulleys especially being that the coolant will slow down enough to absorb heat instead of flying by at a higher rpm
That's why the circle track boys run a setup like that






Call and talk to JR, he knows his mopar pulleys.

And I have bought 2 sets from them and they fit perfect and don't squeal.
I drove one of them yesterday at 120 miles per hour for miles in NV. In other words I drive em, I know.
If they squeal then you have the wrong combo of pulleys imo.


Re: HEMI Pulleys - Bouchillon Performance [Re: Challenger 1] #1249483
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I glass bead the grooves, In the past my experience with powdercoated pulleys has had some squealing here & there,not every set but I strip the groove on them anyway

Re: HEMI Pulleys - Bouchillon Performance [Re: Challenger 1] #1249484
06/14/12 12:44 PM
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THATS what I'm talkin about Gary!







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