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Th400 Into 3rd Gen

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Old 01-10-2004, 07:28 PM   #1
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Join Date: Jan 2004
Location: TRENTON, NJ
Posts: 8
Car: 84 CAMARO Z-28
Engine: 355 SBC
Transmission: TURBO-HYDRO 400

Th400 Into 3rd Gen

Has anyone out there installed a TH400 in a 3rd gen?
Engine will remain in stock position.
Tips will be appreciated.
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Old 01-10-2004, 07:47 PM   #2
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name


many people have done this

you will need a new crossmember, or modify your exisiting one
need to lengthen your driveshaft IIRC
and need to buy the torque arm mount kit from hurst, which may included the croessmember

you will also need a kickdown switch

not a very hard swap
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Old 01-10-2004, 09:46 PM   #3
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Join Date: Apr 2000
Location: Northern CA.
Posts: 5,321
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears

Got one in mine I used the Spohn crossmember and torque arm and the stock 82 driveshaft but with a TH400 slip yoke. Haven't gotten a kick down deal, mainly because I just do it manualy. Here's a couple pictures of mine when the 305 was still in.
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Best times to date, motor pass: 11.81 @ 114.55 1.63 60' 10/18/08
nitrous pass: 10.49 @ 126 mph 1.42 60' 10/18/08
350, AFR 195 heads, Eagle H-beam 6" rods, Victor Jr,
750 Race Demon, ProMagnum RR's, Hooker LT, TH400, Spohn T/A and C/M
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Old 01-11-2004, 09:44 AM   #4
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Join Date: Jan 2004
Location: TRENTON, NJ
Posts: 8
Car: 84 CAMARO Z-28
Engine: 355 SBC
Transmission: TURBO-HYDRO 400

Thank you for your replies.
My trans has a flex plate shield and an aluminum trans shield.
Does any of this require "massaging" the floor?
Thanks again,
Bob
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Old 01-11-2004, 08:09 PM   #5
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Join Date: Apr 2000
Location: Northern CA.
Posts: 5,321
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears

Kind of hit and miss it seems like. Only way to really know is to stick it in the car
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