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TH350 Vacuum Modulator - Red Stripe?

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Old 03-03-2004, 09:41 PM
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Car: 1982 Trans Am
Engine: 350 Crate
Transmission: TH350
Axle/Gears: 3.23
TH350 Vacuum Modulator - Red Stripe?
I'm putting in a TH350 tranny and I've read topics stating I should get the vacuum modulator with the "red stripe". There never seems to be any more info on it.

Is this a GM part or an aftermarket part? What brand? Where would I find this modulator?

Thanks!
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Old 03-04-2004, 12:05 AM
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Car: 86\92 Mutant
Engine: 355CI 430HP
Transmission: T-5 with mods
Axle/Gears: 7.625", Eaton Posi, 3.73
Re: TH350 Vacuum Modulator - Red Stripe?
Originally posted by kanuck
I'm putting in a TH350 tranny and I've read topics stating I should get the vacuum modulator with the "red stripe". There never seems to be any more info on it.

Is this a GM part or an aftermarket part? What brand? Where would I find this modulator?

Thanks!
What I would recommend is getting an aftermarket adjustable unit. Then you can " tune " your part throttle upshift points. Any AutoMatic Parts supplier should be able to get you one.
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Old 03-04-2004, 02:57 AM
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The aftermarket adjustable unit should come with a "red" stripe.
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Old 03-04-2004, 09:00 AM
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Car: 1982 Trans Am
Engine: 350 Crate
Transmission: TH350
Axle/Gears: 3.23
Adjustable is exactly why I wanted the mysterious "red stripe"

Thanks guys! :hail:
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