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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

PS Pulley

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Old Mar 21, 2016 | 09:13 PM
  #1  
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PS Pulley

I don't have the OEM part number, but I need a PSP pulley. I've tried all the local parts stores, LMC, Dennis Carpenter, Dorman catalog and JCW. No Joy!
Any help would be greatly appreciated. Thanks.
Dave
 
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Old Mar 21, 2016 | 09:59 PM
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We need some more info. Yr ? Serp or v belt? Engine?
 
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Old Mar 22, 2016 | 12:36 AM
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Same truck my signature shows. This is a v-belt pulley. Factory AC.
Thanks
 
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Old Mar 22, 2016 | 06:49 AM
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Check your local junkyard(s)
 
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Old Mar 22, 2016 | 07:25 AM
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Originally Posted by fljab
Check your local junkyard(s)
And bring a puller + strap wrench.
 
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Old Mar 22, 2016 | 07:58 AM
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This is yet-another area where it is best for the owner to choose since a lot of info is needed. For instance, 2wd vs 4wd, and A/C or not. Assuming W/o A/C it looks like you need EOTZ 3A733-G, and that it may be marked E0TC 3D673-GA. If you have A/C you can pick the #'s. You will need to Google the part number, but that # will not be stamped on the part. What may be on the part is the description #.


 
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Old Mar 22, 2016 | 10:11 AM
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Thanks Gary for listing the part numbers. I need the HA version. Using the number I need, I called the local Ford store. No Joy. The number is still good but no Ford dealer in the US has one. 'Recycle' yard or ebay for me. No sure what if I can't find one after that.....?
Thanks
 
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Old Mar 22, 2016 | 10:40 AM
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Close, but no cigar...

81 Ford Truck 300 4 9 Power Steering Pump Pulley E0TC3D673GA | eBay
 
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Old Mar 22, 2016 | 11:26 AM
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I am not sure if the V8 one was the same as the 6, but here is one to look at.
Ford Pickup Truck Power Steering Pump Pulley V8 with Air Conditioning F100 | eBay
 
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Old Mar 22, 2016 | 11:38 AM
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The difference is probably only in the OD of the pulley. Ford changed the diameter to keep the power steering pump in an optimum RPM range given what they expected the engine's RPM range would be due to the engine, transmission, and other details of the truck. For instance, the 300 six is a low RPM engine as compared to a 302, so they will have geared the PS pump to accommodate that.

My guess is that you could get by with any pulley, but the best bet would be from a larger engine because it will also be expected to turn more slowly.
 
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Old Mar 22, 2016 | 11:40 AM
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Originally Posted by bcamill
I am not sure if the V8 one was the same as the 6, but here is one to look at.
Ford Pickup Truck Power Steering Pump Pulley V8 with Air Conditioning F100 | eBay
That carries the prefix of C7AZ. That means it was engineered in 1967, and may well be for a different pump that our trucks use.
 
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Old Mar 22, 2016 | 01:29 PM
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On my truck and other V-belt trucks with factory AC the power steering pulley V-belt is moved to the center location and the AC is in the forward V-belt groove.

Moving the belt is done with a different PS pulley. In the photo below the gap between the PS pulley and the mounting bolts for the PS pump is very close, maybe 3/8 inch or so.

So is your truck V-belt setup like this photo?
Jim
.

 
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Old Mar 22, 2016 | 01:31 PM
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Good point, Jim. Good catch!
 
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Old Mar 22, 2016 | 01:44 PM
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Originally Posted by parr4
Same truck my signature shows (1981 F100 300 I-6 M/T). This is a v-belt pulley. Factory AC
EOTZ-3A733-B .. P/S Pump Pulley / Marked: E0TC-3D673-HA / Obsolete

1980/86 F100/350 2WD 300 I-6 with factory installed integral A/C (all 1980/83 F100's sold new in US/Canada are 2WD).

No Ford dealer or obsolete parts vendor has any.

(sigh) Clueless ebay seller with C7AZ-3A733-A (replaced C5AZ-3A733-G) .. P/S Pump Pulley was used 1965/77 in I-6 & V8 cars/trucks with Ford/Thompson P/S pump with steel reservoir.

It will not work with Ford C-II P/S pump with plastic reservoir introduced in 1978.
 
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Old Mar 22, 2016 | 02:17 PM
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I've put up a new page on my web site with the pulley info here: Pulleys - Gary's Garagemahal
 
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