Transmissions and Drivetrain Need help with your trans? Problems with your axle?

th350 swap questions

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Old Aug 28, 2002 | 04:56 AM
  #1  
1991tealRSt-topGuy's Avatar
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
th350 swap questions

ok, ,my 9 inch tailshaft TH350 is arriving tonite...........what various cables and what not do i need to install it?

how do i change the speedometer gears?

what kinda kickdown cable do i need?

where can i buy new trans cool lines?

where do i take the vacuum from for the modulator? the carb or the manifold?

can i use my 700R4 shifter for now?

can i use the 700R4 shift cable?

how do i adjust the kickdown cable?

where do i hook the reverse lights?

will the torque converter that comes with it work with the 700R4 flexplate?

how hard is it to install a shift kit?


please excuse my little knowledge when it comes to automatic transmissions

thanx
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Old Aug 28, 2002 | 08:24 AM
  #2  
ede's Avatar
ede
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From: Jackson County
Re: th350 swap questions

how do i change the speedometer gears?
A: i think only the driven gear needs changed, it slips off the square drive end of the cable

what kinda kickdown cable do i need?
A: you need one from a th350

where can i buy new trans cool lines?
A: any parts store, they won't be prebent. even from gm parts they aren't

where do i take the vacuum from for the modulator? the carb or the manifold?
A: manifold

can i use my 700R4 shifter for now?
A: maybe

can i use the 700R4 shift cable?
A: good chance

how do i adjust the kickdown cable?
A: it's not adjustable

where do i hook the reverse lights?
A: should already be hooked up to the 700r4 shifter

will the torque converter that comes with it work with the 700R4 flexplate?
A: yes

how hard is it to install a shift kit?
A: not real hard and if you need a kick down cable you'll be right there any way

please excuse my little knowledge when it comes to automatic transmissions
A: i don't know anything either and the only stupid question is the one that goes unasked, but we sure do have fun with some of the ones that get asked

thanx [/B][/QUOTE]

Last edited by ede; Aug 28, 2002 at 08:27 AM.
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Old Aug 28, 2002 | 03:48 PM
  #3  
1991tealRSt-topGuy's Avatar
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
thanx dude
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Old Aug 28, 2002 | 04:05 PM
  #4  
b9radz's Avatar
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From: royal oak.mi
How are you mounting your torque arm ?
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Old Aug 28, 2002 | 07:31 PM
  #5  
1991tealRSt-topGuy's Avatar
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
hurst and B&M make a kit................the bracket looks like it attach in between the tailshaft and main body of the tranny


well, my 350 engine and TH350 arrived, i'll prolly put the TH350 in, in 2 weeks
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Old Aug 28, 2002 | 07:34 PM
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ede's Avatar
ede
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From: Jackson County
the adapter goes on the outside of the tail houseing, not between it and the main body. it's pretty easy after you have the kit.
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Old Aug 28, 2002 | 10:43 PM
  #7  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
The kickdown (detent) cable is adjustable but not in the same way the 700R4's TV cable is.

There's a lock on the cable that attaches to the bracket up at the carb. You unlock it and push the cable back through a bit. Move the throttle to WOT and push the lock down. The cable will click as the throttle is moved to WOT. Release the throttle and the detent cable is now set.

It's kind of hard to describe how the lock works. It's better to just see it.
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Old Aug 29, 2002 | 04:04 AM
  #8  
1991tealRSt-topGuy's Avatar
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
hehe, i lucked out.....the motor and trans still have the kickdown cable on it one less part i have to buy
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