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Old 03-24-2018, 05:12 PM
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Finding GM Pulleys

The other day I was Googling and Searching for GM pulleys in particular different numbered pulleys and came across this Camaro Pulley Listing and thought if there is something like it for 67-72 Chevy C-10 Trucks.

I don't want to hurt some peoples feelings when I say most Hot Rods use the Chevrolet Engins so I thought this would be a good place to start looking to see if anybody knows of such a Book or Master Catalog floating around or info "Links" ?

thanks in advance

PS; Here's what I found two pages below
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Old 02-16-2019, 11:29 AM
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I am looking for all the pulleys (narrow grove) for a stock SBC engine with pow/strg only, no A/C at all. My truck is a 68 C10, 305ci (no jokes please) with the Alt on drivers side as it should. I do have two different pow/strg pumps (lines different from one another) with different set backs for the single pulleys on them. I have found two for the Harmonic Balancer but not sure if they are right for the fitment I want/need.

PS, probably should have said I am looking for "Original" pulleys, Don't like aftermarket, alum, chrome at all.
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Old 02-16-2019, 12:39 PM
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Great to hear you aren't a chrome fanatic. Did you ever see the money people pay for the billet stuff? My factory gm pulleys work just fine, and I don't have to polish them either.
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Old 02-16-2019, 12:48 PM
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A couple of pictures I found. Might help

You sure it's a 305 and not a 307?....The 307 was available in 68. the 305 not until 76
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Old 02-16-2019, 01:56 PM
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Quote:
Originally Posted by poncho62 View Post




A couple of pictures I found. Might help

You sure it's a 305 and not a 307?....The 307 was available in 68. the 305 not until 76

Yes I am quite sure its a transplant 1989 305 with a 1992 4L60 (non "E") trans.
Should have said the stock casting numbers are what I'm looking for, easier to find them if having the right numbers.
I also have them two pics and a few more.
Thanks

Last edited by mjgord51; 02-16-2019 at 02:01 PM.
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Old 02-16-2019, 01:58 PM
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Quote:
Originally Posted by 55 Tony View Post
Great to hear you aren't a chrome fanatic. Did you ever see the money people pay for the billet stuff? My factory gm pulleys work just fine, and I don't have to polish them either.

Tony, Do you happen to have some pics of your setup as well do you have the casting numbers of your pulleys?

PS, my truck did come with chrome pulleys, "yuck" lol
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Old 02-16-2019, 06:36 PM
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Quote:
Originally Posted by mjgord51 View Post
Tony, Do you happen to have some pics of your setup as well do you have the casting numbers of your pulleys?

PS, my truck did come with chrome pulleys, "yuck" lol

I have a Big Block and have no idea of the numbers or if they are interchangeable. I can try to get a decent pic if you like.


You can sandblast the chrome and paint them a nice gloss or semi gloss black! Or buy black ones and sell the chrome.
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Old 02-16-2019, 09:24 PM
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Quote:
Originally Posted by 55 Tony View Post
I have a Big Block and have no idea of the numbers or if they are interchangeable. I can try to get a decent pic if you like.


You can sandblast the chrome and paint them a nice gloss or semi gloss black! Or buy black ones and sell the chrome.

That's ok I am looking for small block pulleys, big block pulleys are different not interchangeable IIR.
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Old 02-16-2019, 11:38 PM
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I'm going to guess you are aware that the pulleys depend on the water pump. Left hand alt requires a short pump and matching pulleys. I have this set up on my '67 Camaro and can see if I can read the pulley numbers tomorrow. They are all original GM.
All sbc thru 1968 had left hand alt with short pump and pulleys. 1969 was the change over year to long pump and right hand alt.
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Old 04-28-2019, 07:45 PM
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Originally Posted by Too Many Projects View Post
I'm going to guess you are aware that the pulleys depend on the water pump. Left hand alt requires a short pump and matching pulleys. I have this set up on my '67 Camaro and can see if I can read the pulley numbers tomorrow. They are all original GM.
All sbc thru 1968 had left hand alt with short pump and pulleys. 1969 was the change over year to long pump and right hand alt.
I'm sorry TMP got side tracked for a while. Yes if you can get the pulley numbers would be great. Yes I have the alt on the drivers side and yes I have a short water pump along with this setup for the power steering pump below are pics of them.
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Old 05-07-2019, 07:28 AM
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OK, I finally remembered to look at my pulleys in the shop.
The pulley on your ps pump appears to be correct...as long as it is stamped 3770509
My fan pulley is 3788472
engine add on pulley, 3751232
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Old 06-20-2019, 12:09 PM
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Quote:
Originally Posted by Too Many Projects View Post
OK, I finally remembered to look at my pulleys in the shop.
The pulley on your ps pump appears to be correct...as long as it is stamped 3770509
My fan pulley is 3788472
engine add on pulley, 3751232
Here is all what I have collected in pulleys so far. All pulleys are Stamped Steel with only one being Case Steel. Most are normal thin type but two are of heaver material.

The WP pulley without numbers (no #'s) came from a 6 cyl Chevelle motor which I was told it can be used for SBC motors.

The Heavy Duty WP three grove pulley the one with much more material steel stamped I believe would be used for a 350 or 400 SBC motors. This pulley I have read causes WP bearing failure.
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