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Old 04-30-2009, 06:28 PM   #1
ihatericeburners
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Pulleys, what is going on?

I bought the kit from Classic Auto Air, the Surefit system, they say it comes with everything you need except for the pulleys. So... I went today to the salvage yard looking for pulleys and couldn't seem to find one to work. I need a 3 groove crank pulley, and 2 groove water pump. I can't figure out why I have what I have on my truck. I hope one of you can tell me what I need and possibly what I have.

[Edited by Mod]


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Last edited by Richard8971; 04-30-2009 at 08:02 PM.
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Old 04-30-2009, 08:22 PM   #2
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Re: Pulleys, what is going on?

REVISED:

If someone could tell me/show me with pictures, what the original pulleys look like off a factory air motor, so that i am able to try to locate what i need.
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Old 04-30-2009, 08:38 PM   #3
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Re: Pulleys, what is going on?

It looks like you already have the correct "inside" pulley on the crank. The lower crank pulley against the balancer should be a "double" as well and your double pulley will bolt inside of that. There is also a double fan pulley.

Hopefully someone can back me up on that... but here's a pic of mine (sorry it kinda sucks).

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Old 04-30-2009, 08:39 PM   #4
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Re: Pulleys, what is going on?

i've never seen that kind of set up right there maybe tell us what motor and year truck u have
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Old 04-30-2009, 08:42 PM   #5
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Re: Pulleys, what is going on?

Here's mine, factory AC not hooked up. Your crank pulley looks right. Your brackets look haywire.

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Old 04-30-2009, 08:44 PM   #6
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Re: Pulleys, what is going on?

Found a better pic for you:



When I go to add my power steering someday, I'll have to buy the lower crank pulley that bolts inside the double crank pulley I already have. Hope this helps.
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Old 04-30-2009, 09:10 PM   #7
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Re: Pulleys, what is going on?



Thanks for the pictures guys, BUT i was looking at it more and if i were to get the 2 v groove water pump pulley then (yellow) then there is no pulley groove on th ecrank because of the gap (red).

So then where would i go from here?
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Old 04-30-2009, 09:13 PM   #8
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Re: Pulleys, what is going on?

Oh. And about the temp bracket its on just till i can figure out where the p/s pump will be. ( i should have blured it to save myself the embarrassement).
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Old 04-30-2009, 09:33 PM   #9
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Re: Pulleys, what is going on?

That's what I was saying you need a two groove crank pulley to fill that "red" space you drew.
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Old 04-30-2009, 09:50 PM   #10
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Re: Pulleys, what is going on?

Cool I see you went with the classic auto air set up.....can't help you with the pulley I went with the march pulley set.
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Old 04-30-2009, 09:59 PM   #11
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Re: Pulleys, what is going on?

Ok. (tinking).

so, i would then have 2 up on the crank the gap and then the 2, and then have the last one blank. And i am going to be able to find this item because i havent jet although i really havent looked at the 2/2 set up.
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Old 04-30-2009, 10:30 PM   #12
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Re: Pulleys, what is going on?

Ya, I live an hour north of Tampa and they have a location there. they were going to ship it to my house for free but i need it here now. so i paid the difference and got it on a 2 day ride from texas. i had vintage in mind but when i called and talked to them thir coustermer service won me over. Also the fact that i was talking to them about the pulleys today for a good little while.
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Old 04-30-2009, 10:33 PM   #13
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Re: Pulleys, what is going on?

If i cant find the 2 groove can i mate 2 single grooves together? they have that shaft-centric/ interlocking thing going on with them though.
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Old 04-30-2009, 10:42 PM   #14
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Re: Pulleys, what is going on?

Ok remember that you need pulleys for a short water pump setup. the pulleys off a later setup probably won't work.

I never throw a pulley away off anything I junk out and it has saved my tailfeathers more than once. I don't know if I have the proper pulleys to take photos of or measure though.
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Old 04-30-2009, 10:52 PM   #15
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Re: Pulleys, what is going on?

MY truck is an 68 AC truck long water pump, it has 3 groove water pump & crank pulley Maybe this would help.



Last edited by AustinScott; 04-30-2009 at 10:53 PM. Reason: added water pump info
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Old 04-30-2009, 10:57 PM   #16
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Re: Pulleys, what is going on?

"it has 3 groove water pump & crank pulley"

then the middle groove on the water pump is blank? Correct?

Wait. i have a short water pump. um...

Last edited by ihatericeburners; 04-30-2009 at 10:59 PM. Reason: new info on above pic
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Old 04-30-2009, 10:58 PM   #17
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Re: Pulleys, what is going on?

[quote=ihatericeburners;3287231]
Quote:
Originally Posted by AustinScott View Post
it has 3 groove water pump & crank pulley

then the middle groove on the water pump is blank? Correct?

YES!, it connects to nothing, only the outer and inner groves on the water pump have belts
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Old 04-30-2009, 11:01 PM   #18
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Re: Pulleys, what is going on?

Transdapt shows black and chrome pulleys for short waterpumps with two grooves and the ac pulley for the crank.

http://www.tdperformance.com/

Page 74 in the 2007/2008 paper catalog on my lap.
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Old 04-30-2009, 11:03 PM   #19
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Re: Pulleys, what is going on?

Thanks for the pictures and the info. I got to work in three hours so i got to pack this up and hit the hay.
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Old 04-30-2009, 11:09 PM   #20
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Re: Pulleys, what is going on?

Jeez! How many different set ups did GM use???
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Old 04-30-2009, 11:09 PM   #21
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Re: Pulleys, what is going on?

You might check with these guys
AUTOMOTIVE ENGINEERING
5118 US Highway 19
New Port Richey, FL 34652-3942
(727) 848-8432 Phone
(727) 842-2477 Fax

They are supposed to be a dealer or check with ORiely auto parts especially if they are one of the speed parts stores.
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Old 04-30-2009, 11:09 PM   #22
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Re: Pulleys, what is going on?

you need one that looks like this for the crank..

http://cgi.ebay.com/ebaymotors/SMALL...Q5fAccessories

And one that looks like this for the water pump.

http://cgi.ebay.com/ebaymotors/SMALL...Q5fAccessories
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Old 04-30-2009, 11:13 PM   #23
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Re: Pulleys, what is going on?

^Those are what I have on my truck.
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Old 05-01-2009, 08:26 PM   #24
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Re: Pulleys, what is going on?

Quote:
Originally Posted by mr48chev View Post
You might check with these guys
AUTOMOTIVE ENGINEERING
5118 US Highway 19
New Port Richey, FL 34652-3942
(727) 848-8432 Phone
(727) 842-2477 Fax

They are supposed to be a dealer or check with ORiely auto parts especially if they are one of the speed parts stores.
I called them and they want to sell me a march set up Or a billet one. I cant spend that kind of coin on a set up and then need to replace the water pump to a long pmp. They just sell the catalog parts, they couldnt offer any troubleshooting/ penny poor guy out. BUT they were very nice and friendly!
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Old 05-01-2009, 08:34 PM   #25
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Re: Pulleys, what is going on?

OK! i found a 3 groove water pump pulley (no pics of the pulley yet). it looks correct! the only problem is that the diamater is going from 6.6 to 5 inch.

Is this going to spped up my water pump too fast?








THANK YOU to all of you who helped me out!

Last edited by ihatericeburners; 05-01-2009 at 08:35 PM. Reason: photo wasnt linked
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