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Author Topic: Best aftermarket pulleys?  (Read 1006 times)
beetletom
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« on: November 06, 2018, 20:00:37 pm »

I?m after black anodised pulleys for my engine.

What is the best type? The Saco pulleys look ok?
And the billet spin true top pulley you can now buy?

Or am I better off getting a genuine Vw bottom pulley

And a genuine Vw alternator pulley? Which I have on another alternator
But getting the back part off without warping it would be difficult?
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Jim Ratto
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« Reply #1 on: November 06, 2018, 21:20:25 pm »

for generator/alternator, I feel the FLAT 4 pulley is best made. Better than the last OE VW pulley I bought about 10 years ago.
No defects with FLAT 4 pulley, at all.

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DER KLEINER PANZERS

Who was fitted with collar and chain?
beetletom
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« Reply #2 on: November 06, 2018, 21:44:55 pm »

Cool thanks, had no idea flat 4 even did pulleys!
But we only have very limited parts from flat4 stocked by uk suppliers  Huh
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Richierich56
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« Reply #3 on: November 06, 2018, 21:49:27 pm »

Genuine Bugpack Spin Tru are good - if you can get one.
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Brian Rogers
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Posts: 162


« Reply #4 on: November 07, 2018, 17:42:57 pm »

I won a CB serpentine set a year ago still sealed, not installed as of yet. Any users out there?
I also have an OG Std sized Suntana pulley I?d found decades ago but never used.
Are these worth using?
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spoolin70
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Posts: 453



« Reply #5 on: November 07, 2018, 20:06:48 pm »

Have you looked at CSP pulleys ?

Haven't used them myself but seen a couple on other engines and always look good quality.
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NAO
Newbie
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Posts: 48


« Reply #6 on: December 14, 2018, 11:04:47 am »

We (FLAT4) even made new tooling to improve...new one is even better and it's on the way!!
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Jim Ratto
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« Reply #7 on: December 14, 2018, 18:32:48 pm »

We (FLAT4) even made new tooling to improve...new one is even better and it's on the way!!
Didn't think they could be improved upon.
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DER KLEINER PANZERS

Who was fitted with collar and chain?
63 ripper
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Posts: 245


« Reply #8 on: December 15, 2018, 11:26:44 am »

I've had two Flat Four pulleys now, a gold one when they first came out..probably 7 years ago, great quality and is still on the car now. I bought another earlier this year, it came in black. The back half was a little loose on installation, as I was taking it off (by hand) to inspect, the outer ring actually broke off leaving the hub stuck on my alternator. When I finally got the "hub" off it looked to me like it was plated 1st then pressed together, causing a weak spot. The seller sent me a new one, gold this time which is a better fit but I don't have a lot of miles on it yet so can't comment. Interested to see what the updated design is.
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JG54

twelve-zeros, back in the day.
brewsy
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Posts: 112



« Reply #9 on: December 17, 2018, 22:58:16 pm »

Hi Tom,
Not sure about a conventional Vee belt but suggest you dont go with a serpentine system!!

http://www.offroadvw.net/tech/wes/fan.html

Long and short of it is that the vee belt slips ~4 to 4.5K engine rpm however that isnt a problem as the gain in airflow vs actually cooling effect isnt worth it!
AND to double a fans speed takes a cube of the power!
The serpentine will definitely spin the fan faster but also take a boatload of power away from your right foot to do so!!
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