[Tigers] pulley research, more

[David or Gary]

I have had a few questions on the width of the TIPCO pulley. It is 1/2"
wide but it has the same "V" angle as the original 3/8" wide Tiger
pulley. Ford probably made it wider so it would fit the 3/8' and 1/2"
fan belts to cover more applications? It is odd they didn't
update/revise the part number letter suffix to a "B" (C4JZ-6312-B) as
they normally do on updated parts. Photo links below are of a Tiger 3/8"
fan belt in the pulley grove.
David
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http://pic50.picturetrail.com/VOL439/2051017/21606493/356265957.jpg
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http://pic50.picturetrail.com/VOL439/2051017/21606493/356265959.jpg