Author Topic: Powerglide to TH350 swap questions  (Read 3722 times)

TStone

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Powerglide to TH350 swap questions
« on: March 10, 2008, 08:15:43 PM »
I am getting ready for my sway and have been gathering parts and have a few questions.

1) from what ive read i can reuse the PG yoke but and figuring as long as im in there may as go new - there appear to be multiple lengths available
-can someone tell me what length i need before having to pull the old one out?

2) from what ive read i should be able to reuse my flywheel without a prorblem
- can someone tell me if theyve experienced any problems?

3) i know ill need a new dipsrick as the old one is broken
- can someone tell me what one theyve use - ie: where it bolts to etc...

any tips or tricks would be greatly appreciated, also if anyone knows of a writeup detailing the swap

thanx
T
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tom

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Re: Powerglide to TH350 swap questions
« Reply #1 on: March 11, 2008, 02:14:28 AM »
If I recall correctly the glide driveshaft is a different length than the th350 shaft, so you may need a new or cut driveshaft. I think the 2004r is a direct swap for the glide, uses the same driveshaft, offers a locking converter, and OD.

 
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looking for a 69 export model (KPH) speed
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hotrod68

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Re: Powerglide to TH350 swap questions
« Reply #2 on: March 11, 2008, 04:02:18 AM »
  The PG yoke is a coarser spline--the TH350 uses a yoke like an M-20 or M-21 4-speed. The driveshaft will depend upon whether you have a short-tailshaft 350 or a long-tailshaft--you didn't say.
  The 350 typically takes the 168-tooth flywheel, with the standard staggered-bolt pattern starter. Your flexplate may or not work--it could have been changed or the converter bolt pattern may be different. If it matches the 350 converter bolt pattern, it--and your old starter--will work.
   You can get a dipstick at a junkyard or buy a new chrome one--the're pretty much all the same. The 350 dipstick attaches with one bolt--the 1st to the right on the back of the engine on the bellhousing. Leave the dipstick out when you install the transmission--it won't clear the firewall. It's tight under there. You can thread it down after you get the crossmember put in.
  Good luck and I hope this helps!
 
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wtexz10

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Re: Powerglide to TH350 swap questions
« Reply #3 on: March 11, 2008, 04:40:48 AM »
I just recieved my April 2008 issue of Hemmings Muscle Machines.  There is a nice article describing changing a glide out for a 200-r4 in a first gen Camaro, starting on page 84.  You might want to change directions.

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TStone

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Re: Powerglide to TH350 swap questions
« Reply #4 on: March 11, 2008, 10:54:38 AM »
thanks for th replies

driveshafts are the same, same can also be said for the 200r but it requires the use of a 400 cross-member

yokes are supposed to be the same on any pg/th350 for 68 and up - just different lengths based on applicaton

flexplate is the original - in 68' does anyone know what the std tooth was for a 327/210 PG setup?

saw that article and it is interesting - but already have 95% of what i need to complete this task - and dont really care about OD
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