vaccum modulator question

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Dec 19, 2002 | 08:33 PM

ackusackus

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vaccum modulator question

I am replacing the vaccum modulator on my 77 F150 2wd w/ a 460/c6. The guy at the parts store asked me if I had a green or yellow band on the vacuum modulator. I did not know so I got both and brought them home. I crawled under 'ole BUFF and cleaned off the modulator body......

the stripe is white.

The parts store doesn't know what to do.....

Anybody have any input on this?

thank you,

ackus

Dec 20, 2002 | 01:56 AM

Torque1st

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vaccum modulator question

My 77 OEM manual does not show a white stripe. The only colors it lists are; (no color w/part number), Green, Black, and Purple. There is no application listing :-( -typical. If anyone has a copy of technical letter PTC-7-010-2-T it supposedly has application information.

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Dec 21, 2002 | 12:29 PM

ackusackus

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vaccum modulator question

I called around, and the most I have been able to determine is that white stripes were used in '73. The guy I talked to said try 'em both and see which one I like more.

Will I damage my tranny by running it with a "wrong" vacuum modulator?

According to this guy I talked to, the only difference will be the shift points.

ackus