vacuum modulation for 4l60

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03-02-2006, 09:03 PM

blue beast

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vacuum modulation for 4l60

I wanted to get some help from anybody who has a vac mod on their 4l60 as far as how good this is to do to your trans or how bad it is.

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03-02-2006, 09:17 PM

FLT

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IMO its the best way control line pressure and totally gets the electronic pressure control solenoid out of the picture. When done correctly it's a good thing!!!

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03-02-2006, 10:38 PM

WILWAXU

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No brainer. Works great. Well worth the cost.

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03-03-2006, 01:48 AM

BlackHawk T/A

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Does anything need tuned in the computer for this? Will the computer still try to regulate the pressure is what i'm asking I guess. What about SES codes?

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03-03-2006, 07:30 AM

cablebandit

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no the computer cannot possibly control line pressure because that gets unplugged. I dont THINK it sets any codes. Vacuum modulation controls line pressure only...not shift points and such.

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