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Vacuum to modulator

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#1

Old

09-26-2007, 07:49 AM

Alan4494

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alan4494

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Vacuum to modulator

Can anyone tell me how much vacuum I should have to the trans modulator? 83 300DT 722 315 Trans Thanks

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#2

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09-26-2007, 09:54 AM

Brian Carlton Brian Carlton is offline

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The number will vary but a figure of approximately 12" at idle would be a good place to start. If the shifts are mushy, you can reduce it to 10" or lower. I currently run the SD at 8" with good results (firm shifts).

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#3

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09-26-2007, 10:16 AM

Biodiesel300TD Biodiesel300TD is offline

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It should also be 0 at wide open throttle.

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