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#1 |
Registered User
Join Date: Jan 2012
Location: Bartlesville, OK
Posts: 14
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70 c10 pulley issues what did I do wrong
Hey I'm new to the board I recently put a used 350 in my 70 I lost my original water pump pulley and crankshaft pulley I replaced them with new ones ordered from summit racing I have a short water pump, air, and power steering. With everything installed it seems that the water pump pulley is rubbing the water pump and wobbles under acceleration, everything seems tight but it still wobbles, I would appreciate any ideas also alt is on the drivers side and the air is on the passenger side if it makes a difference
Posted via Mobile Device Posted via Mobile Device Last edited by Psychdave80; 01-06-2012 at 11:06 PM. |
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#2 |
Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,254
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Re: 70 c10 pulley issues what did I do wrong
I had nothing but trouble until I got a matching set from a factory short water pump truck. A truck that I was pretty sure was previously unmolested.
My issue was that at certain rpms a vibration would get going in the alternator bracket and break it. That sucks because it was before my AC so with no other belt I lost not only my alternator but also my water pump. Keep an eye on the parts board for a fresh part-out and request both crank and water pump pulley. Best money I ever spent.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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#3 |
Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Re: 70 c10 pulley issues what did I do wrong
Did you buy chrome steel pulleys? The aftermarket chrome steel pulleys are bad to warp and wobble. Check out Alan Grove components. They have original style steel pulleys.
http://www.alangrovecomponents.com/Pulleys_2011.htm
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#4 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: 70 c10 pulley issues what did I do wrong
Welcome to the board!
I'd buy another set of oem pulleys from the classifieds. Member teeitup should have some.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#5 |
Registered User
Join Date: Jan 2012
Location: Bartlesville, OK
Posts: 14
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Re: 70 c10 pulley issues what did I do wrong
Thanks for the replys I'll replace the chrome with some own steel pulleys and see how they do
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#6 |
Registered User
Join Date: Oct 2009
Location: Denton, Texas
Posts: 1,713
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Re: 70 c10 pulley issues what did I do wrong
Welcome from North Texas! Nice truck! I like the green and white two-tone and the full wheel covers.
Keith |
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#7 |
Registered User
Join Date: Jan 2012
Location: Bartlesville, OK
Posts: 14
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Re: 70 c10 pulley issues what did I do wrong
Thanks another thing I like about this one compare to the other 2 I had is the in bed tool box on the passenger side. The Green and White took a little while to grow on me.
My last 2 were a 72 GMC with a 402 and a 69 short wide |
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