C-6 Shift points
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Freshman User
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From: Monroe, Michigan
C-6 Shift points
I have a 460 with a C-6 trans and was wondering if there is a way to lengthen the shift points other than manually? 1st shift out like at 5 mph and 2nd seems OK...
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From: Virginia
Go back to the pass side rear of the tranny. There should be a metal line and then a short piece of vacuum hose going to a round thing on the tranny. That is your vacuum modulator. Pull the vacuum line off the modulator. Get a very small screw driver and stick it up in the nipple where the hose went. Most of them have a screw you can turn up in there to make it shifter later or sooner.
I am going to guess turning it clockwise would make it later, but I am not sure on that.
I am going to guess turning it clockwise would make it later, but I am not sure on that.
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Freshman User
Joined: Nov 2014
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From: Monroe, Michigan
thanks guys...gonna give it a try today...is there a "standard" or MPH these should be at or is it personal preference...
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Freshman User
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From: Monroe, Michigan
OK..I slid under the truck and pulled the vacuum line of the modulator and had trans fluid come out of the modulator...is that normal? also this one has no screw in it...should I replace this?
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From: north battleford
when fluid is in the line it's done.replace it.look for a colored band around the unit(black/green or purple.my 86 had purple
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From: Virginia
Yes, I would replace it. When it leaks like that it will make your engine smoke and make you think there is something wrong with the engine.
The new one will come with a little instruction sheet about the screw.
The new one will come with a little instruction sheet about the screw.
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Freshman User
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From: Monroe, Michigan
Looks lie the original and I cant see a colored band...what does the different color mean? and which should I go with?
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Joined: Sep 2011
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From: Algona,WA
Purple was factory on mine. Purple or black will do fine. Almost all of the new ones are adjustable. The color differences indicate shift points. White, shortest, green, purple and black being longest shift points.
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