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I think I may be getting some belt slip with my PD it doesnt really hit 6-7lbs until 4700-6000 RPM, usually see solid 4-5lbs at lower RPM. Is that the normal range for you guys running the PD
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Re: PD slip
Did you do the JD Power Wrap?3M MAFIA
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Re: PD slip
Yea definatley and the belt is TIGHTComment
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Re: PD slip
Yeah i know i posted the same thing in the other thread...
Also your Powerdyne may need to be shimmed or have the Volute resurfaced, both come into play in maintaning your boost pressure.Originally posted by Pewter02Camaro View PostBut im sure the cross cuts I machined into my pully helped a lot to.
Daily: '02 Black Yukon Denali
Toy: '06 Torrid Red GTO
Gone: Powerdyned '02 Pewter Camaro
Gone: '07 Charcoal Yamaha R6
Gone: Ex-wife, lolComment
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Re: PD slip
Your always going to have alittle slip, also the grooves help out alot. Just be sure to get the steel pulley as I aid in the other thread alm. will warp under high heat.08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engineComment
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Re: PD slip
I have the gvperformance brackets so the belt slippage isnt much I dont think. The pd is pretty much new but I remember there being a shim when I took it apartComment
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Re: PD slip
Even with the JD wrap and Greenglows grooves there will always be some slips.
Our member here, OneEightSeven, claimed that he got several double sided serpentine belts from Superchargeronline.com at a cost of several hundred. That would definately help our slipping problems.
I requested for some pics of it and everything. I asked to buy one from him.Comment
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Re: PD slip
I saw that as well, I pm'ed him but have yet to get anything back. Maybe he will chime inComment
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Re: PD slip
Superonline doesn't seem to know what I'm talking about and they never sold this to anybody. So IDK man.Originally posted by Watazz View PostComment
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Re: PD slip
Also im not exactly sure why the groves would help with slip. My though is, no groves means more pulley for the belt to run on which means more traction. Can someone tell me why groves are necessarily better?Comment
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Re: PD slip
Actually the grooves provide more surface area. If you were to measure from one side of the pully to the other going into the valleys and going over the peaks of the grooves you actaully would see a longer distance than measuring stright across. Hence more surface area contact. If you want to teat this take a flat peice of paper 4 inches say. Now take a peice of pqper 8 inches wide. Fold it into an acordian. And squise it down to 4 inches across. Same width, more area. Get it?Daily: '02 Black Yukon Denali
Toy: '06 Torrid Red GTO
Gone: Powerdyned '02 Pewter Camaro
Gone: '07 Charcoal Yamaha R6
Gone: Ex-wife, lolComment
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Re: PD slip
Hmmm interesting conclusion.Comment
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Re: PD slip
@Pewter02Camaro,
There is more surface area, pewter02camaro is right. This is why almost all proper SC kits are ribbed, not flat like the bs powerdyne setup we get. I'll be selling my double sided belts with the kit, but I don't think I will sell the belts individually, since whoever gets the kit would probably like spare belts. I will start posting part-outs some time in January. My main focus for modding is going to be my G8 GT.
Proof:
http://i.imgur.com/GKnKZ.jpg
http://i.imgur.com/hVrZj.jpg
http://i.imgur.com/s5Zuf.jpg
103" double sided belts.
I was going to run the XB-1A big SC on it, but honestly the G8 just makes more sense as a project car.sigpicComment
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Re: PD slip
@OneEightSeven
Can you give me the contact # you got your belts from. ThanksComment
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