Wanted Press-on style F135 balancer

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Joined
Aug 12, 2010
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Location
Phoenix, AZ
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Looking for a discontinued part, that recently failed on my 1966 F135 engine. Truck has aftermarket AC, hence the 2-groove style pulley. This was on the truck when I got it (along with the AC) but I assume the ”correct” OEM one was a single-groove, so I’m not sure exactly what year/engine this would have come from but I need the same as a replacement. NOS would be wonderful but good used condition acceptable as well.

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Learned something new today. I was confused about how and why I had a press on balancer with two grooves since the early trucks all had single groove, and any two groove available from later models would have been a bolt on type (I thought). Apparently they were only offered for a couple of years in the mid to late 60s? So finding another is probably going to be difficult, I guess it’s a pretty rare bird! Investigating places that can Refurb right now, as that seems like the road I might have to go down if nobody has one.

 
I think the early press on 2 pulley HB was used with the air pump when smog came along.
 
The early press on harmonic balancers also received the 2nd groove to power the hydraulics on the fire department model.
 
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