Y block crank pullies-how many can I use?

[KULTULZ]

The photos of the compressor mounted on the Y block look good, but I'm wondering if there is enough wrap on the generator pulley

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You know something? After much ciphering, hawking and strategizing, I think the best way to go about it would be a three-belt system as used OEM.

That GEN (especially an ALT) is going to slip (or glaze the drive belt and/or pulley).

FORD did that 3-belt for a reason(s). And with the availability of a two-sheave outer pulley (appears to be quality), it would be a fairly easy install. While the THREE-SHEAVE DAMPER IS AVAILABLE (NOS) the price is way too much (unless again, a dedicated restoration).

I would also go with the SANDEN COMP unless a dedicated restoration using the OEM COMPRESSOR INSTALL.

 

[KULTULZ]

Just a FYI -

The OEM INSTALL used three drive belts, two for AC COMP-GEN and one for the PS PUMP.

The WP PULLEY was also 3-sheave.