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302 pully's

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Old Sep 9, 2009 | 07:49 PM
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Dforgy's Avatar
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302 pully's

So I picked up this 302 to replace my locked up 351w in my '77 F-150. I was told the engine block was a '79 but the pully's are serpentine insted of the v-belt style. No biggie, i was just going to swap the pully's but there seems to be a clearance issue. So I looked up the water pumps and they are the same part number. wtf is wrong?
 
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Old Sep 10, 2009 | 02:55 AM
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You have to swap the water pumps when going from serp to V any way because the serp setup is reverse rotation. Timing cover might be different as well but I can't remember.
-Johnboy
 
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Old Sep 10, 2009 | 05:24 AM
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Could be a difference in the harmonic balancer.
 
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Old Sep 10, 2009 | 06:07 AM
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Originally Posted by Dforgy
So I picked up this 302 to replace my locked up 351w in my '77 F-150. I was told the engine block was a '79 but the pully's are serpentine insted of the v-belt style. No biggie, i was just going to swap the pully's but there seems to be a clearance issue.

So I looked up the water pumps and they are the same part number.
D6ZZ8501B .. Waterpump (D6ZZ8501B replaced: DOOZ8501C).

Fits: 1969/79 F100 302 / 1975/79 F150 302 / 1980/86 F100/250 & Bronco 302.
----------------------------------------------------------------------------
1987: First year for F150/250 & Bronco 302 serpentine belts.

E7TZ8501A .. Waterpump

Fits 1987/88 F150/250 & Bronco.
--------------------------------
F3TZ8501C .. Waterpump (F3TZ8501C replaced: FOTZ8501E & E9TZ8501D).

Fits 1989/92 F150/250 & Bronco 302.
------------------------------------
F5TZ8501H2A .. Waterpump (F5TZ8501H2A replaced: F4TZ8501F2A)

Fits: 1993/96 F150/250 & Bronco 302.
 
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Old Sep 11, 2009 | 06:16 AM
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Well, I think the pully's fit, just tightly, but theres a different problem. Apparently there are two bolt patterns for the water pump pully (maybe serpentine vs. V belt?) so to solve this problem, instead of finding the other pully, i'm going to swap my water pump. That will cure my fear of a reverse flow water pump and give me the right bolt pattern for that pully.

Thank's guys.
 
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Old Sep 11, 2009 | 02:48 PM
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Three hole crank pulley?
 
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Old Sep 11, 2009 | 03:05 PM
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no, it's 4. So is the water pump.
 
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