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Canadian Poncho Homepage -> Canadian Poncho -> General 58-64 Full Size Forum -> Powerglide or Turbo 350 Transmission? Which is better?
Post Info TOPIC: Powerglide or Turbo 350 Transmission? Which is better?
Classic63


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Powerglide or Turbo 350 Transmission? Which is better?
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I am in the process of restoring my 1963 Parisenne Safari.  I have a 350 V8 in it and the transmission shop is telling me to install a turbo 350 instead of restoring the power glide.  The shop says the transmissions are the same size and I would have no modifications to do except install a kick down cable.  If anyone has ever done this or had it done any advise would be appreciated.

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4SPEED427


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I pulled the glide out of my Acadian and put in a TH350 when I ran the 427 swap years ago. It is so much nicer to drive with the TH350. I would agree, put the glide in the corner somewhere and run the 3 speed.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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427carl


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I agree with Carl. idea  Glides seem to find favor with the drag racers.. The 3 speed 350 is really a nice strong piece.. 

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gparis7


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I once swapped a PG for a TH350 in a small block 68 Impala. Besides making a bracket for the kickdown, I also had to modify the PG shift linkage, which is different. Performance and driveablity were better, but I also like the PG a lot, and wouldn't necessarily swap one out unless I was doing a big block conversion.   I had a 283 PG in a 65 Parisienne convt that ran great and would cruise all day at 70-80 mph. Just swapped a 64 283/PG into a 62 Parisienne in place of the 261-6/cast iron PG. Before it stuck a valve it was good for 90+mph.  283 was a drop in except for the radiator and the engine mounts on the frame, but the V8 mounts do bolt to pre-drilled holes.

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427carl


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gparis7 wrote:

I once swapped a PG for a TH350 in a small block 68 Impala. Besides making a bracket for the kickdown, I also had to modify the PG shift linkage, which is different. Performance and driveablity were better, but I also like the PG a lot, and wouldn't necessarily swap one out unless I was doing a big block conversion.   I had a 283 PG in a 65 Parisienne convt that ran great and would cruise all day at 70-80 mph. Just swapped a 64 283/PG into a 62 Parisienne in place of the 261-6/cast iron PG. Before it stuck a valve it was good for 90+mph.  283 was a drop in except for the radiator and the engine mounts on the frame, but the V8 mounts do bolt to pre-drilled holes.


        I just removed, a healthy smooth 350 turbo from behind a real grumpy big block (real grumpy)  They will take a lot of abuse with a shift kit...



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Astro Jet


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427carl wrote:

I agree with Carl. idea  Glides seem to find favor with the drag racers.. The 3 speed 350 is really a nice strong piece.. 


x2!  3 speeds always better than 2.  Lower first gear in the THM will give you more oomph off the line as well. wink



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2drpost


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if you're switching from the original '63 p/glide, you'll have to shorten the front driveshaft 3" to install the 350 trans.

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4SPEED427


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I've learned something again. I thought all powerglides are the same length.

When did the glide become standard length? I know it was in my 65 Acadian.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Ghost Post


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The 700R4 is the way to go w/ the OD & Lockup converter and are the same length as the Glides and 6" tail 350's..

Click here...

http://www.smokemup.com/tech/700r4.php


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67SD396


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My vote would be for turbo 350, given the 2 candidates.  If you would like overdrive and lockup convertor for fuel milage, then I would seriously consider the 200-4R transmision.  It bolts in where a turbo 350 has been and there is minimal work to wire the lockup circuit.  As well, this transmision can be built to with stand 500hp for under $1800, no core!  I have swapped out a turbo 350 and replaced it with a 200-4R behind a mild 327 and loved the extra lower 1st gear.  Lockup and overdrive with 3.42:1 gears, the 327 with a quadrajet was good for over 20mpg.  Not bad for old tech!

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2drpost


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Carl Stevenson wrote:

I've learned something again. I thought all powerglides are the same length.

When did the glide become standard length? I know it was in my 65 Acadian.


carl
'65-'72 p/glides were the same length as 350s (w/6" tailshaft), muncies/saginaws(w/bellhousing), 200R4s. 


-- Edited by 69 belair at 07:47, 2008-06-18

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paris63


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I had a bagged turbo350 in my parisienne when i bought it,  and it blew 2nd and 3rd after crossing some train tracks.  I swapped it for a powerglide, and with the 283, it works real nice.  For cruising, its a sweet combo.  My question is, If you are going to throw in a 3 speed, why not keep going and get the 4 speed OD?

here's a link to Weights and dimensions of transmissions commonly used for high performance:
http://www.drwtransmission.com/trans_weights.htm

good luck!

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