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Part Number for OEM 2-4 Servo

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Old Oct 26, 2017 | 08:31 AM
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Tootie Pang's Avatar
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From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Part Number for OEM 2-4 Servo

Getting rid of my Corvette servo I've had in for several months. Works fine but hits too hard now that I have tuned the TV system.

I see three different "stock" 2-4 servo setups on eBay that all work with the TH700R

Castings 8642553, 554, and, 2486,

Maybe these are all the same, just numbers off different parts?

Last edited by Tootie Pang; Oct 26, 2017 at 01:12 PM.
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Old Oct 28, 2017 | 03:58 AM
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From: louisville, ky
Axle/Gears: '01 3.42 10 bolt
Re: Part Number for OEM 2-4 Servo

the 8642553 is next one down from corvette
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Old Oct 28, 2017 | 05:24 PM
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Tootie Pang's Avatar
Thread Starter
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15 Year Member
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Joined: Aug 2009
Posts: 1,972
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From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Part Number for OEM 2-4 Servo

Thanks! That's what I needed.

Went right in. Nice and smooth again. Though I do miss the 1-2 part-throttle bark with my 3:42s

Last edited by Tootie Pang; Oct 30, 2017 at 10:54 AM.
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