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Powerglide vs 350 trans
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DRR Pro
posted
For those of you who have used a Powerglide and a 350 trans.

All the cars I have built through the years have been Powerglide. I have a 350 trans on the bench for the Studebaker, torn down, and considering the option. It has two more drums and two more planet units, plus it is about 20 pounds or so heavier.

The positive is a 2.52 low gear. In taking with others, the results are mixed. Some say the lower first gear is an advantage and with their setup, it makes up for the rotating weight.

I plan some limited street driving to shows and the Christmas parade. Yet, the main performance focus will be on track.

Whatever trans I choose, the rear gear will be appropriate either way.

Let me have your feedback.


Larry Woodfin



 
Posts: 1639 | Location: Kilgore TX | Registered: March 12, 2004Reply With QuoteReport This Post
DRR Sportsman
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My thoughts are the 350 if paired with a more street oriented gear will give you an acceleration rate same as a glide with a steeper gear in the back. That would make the occasional street drive/cruise a little bit more enjoyable. That’s probably not worth the time it took me to type btw.
 
Posts: 424 | Location: Going to or returning from the chipmine. | Registered: July 01, 2011Reply With QuoteReport This Post
DRR Trophy
Picture of TPaton
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Larry, I went from a t350 to a glide in my street drivn camaro, using the same rear gear and same converter. Combo wasnt optimized as I dont have a rollbar in my camaro, so I had a tight converter on purpose. The 60ft was a few slower, by the 330 was the same, and at the 1/8 mile ( and 1/4 mile) the car was faster. This is in a full street trim with full interior. Car runs 7.20's in the 1/8 and 11.20's in the1/4. I did use a tbrake in the pg and footbraked the t350. Launch rpm was within 300 rpm between the two.

I would stay with the pg. Jmo.

Btw, I really like your builds, cant wait to see this project finished. Good luck.
 
Posts: 102 | Location: PA | Registered: June 02, 2006Reply With QuoteReport This Post
DRR Top Comp
Picture of Curly1
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If you are going to do some street driving even limited the T-350 and a taller gear may help. For strip only the powerglide is hard to beat.


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Posts: 3158 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Sportsman
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quote:
Originally posted by Larry Woodfin:
For those of you who have used a Powerglide and a 350 trans.

All the cars I have built through the years have been Powerglide. I have a 350 trans on the bench for the Studebaker, torn down, and considering the option. It has two more drums and two more planet units, plus it is about 20 pounds or so heavier.

The positive is a 2.52 low gear. In taking with others, the results are mixed. Some say the lower first gear is an advantage and with their setup, it makes up for the rotating weight.

I plan some limited street driving to shows and the Christmas parade. Yet, the main performance focus will be on track.

Whatever trans I choose, the rear gear will be appropriate either way.

Let me have your feedback.


We ran a Turbo 350 for a long time. When we stepped up to about 550 hp & 3150 lb. car; I called the Turbo 350 our never know 10-100 run trans. We had all the good parts in it, but that 10-100 run range it would break something.

We made the change to the glide, using same convertor, rear gear & same combo as above. We didn't slow down & we picked-up a little ET. Sorry, it was way too many years back to remember how much we picked up.

2BKing


1980 Camaro
Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! Big Grin
3050 lbs.
Pump Gas 434
Glide/5800 Stall
4.10 Rear Gears
Car Detuned for high 9s/low10s @ 133-34 mph
 
Posts: 1675 | Location: NV. | Registered: October 20, 2006Reply With QuoteReport This Post
DRR Pro
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Since my history shows me to be a long-time, hard-core drag racer. And since I do not see myself doing much street driving, mostly because I will be in trouble with the neighbors and the lawman. I will continue the established use of the simple, efficient Powerglide. Plus, I have a nice supply of PG parts.


Larry Woodfin



 
Posts: 1639 | Location: Kilgore TX | Registered: March 12, 2004Reply With QuoteReport This Post
DRR Pro
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With the 32x14 you set-up to accept, what PG ratio and diff gear ratio do you plan on using?
 
Posts: 2008 | Location: 53056 | Registered: December 30, 2009Reply With QuoteReport This Post



DRR Pro
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Markemark,

Most likely a 1.96 low with a 5.13 rear gear & very loose, spragless converter. [round 6100 - 6200]


Larry Woodfin



 
Posts: 1639 | Location: Kilgore TX | Registered: March 12, 2004Reply With QuoteReport This Post
DRR Pro
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quote:
Most likely a 1.96 low with a 5.13 rear gear & very loose, spragless converter. [round 6100 - 6200]


Very strong SLR. Consider choosing 5.14 (36/7) over the 5.13 (41/8). Thicker teeth. I like more stall flashing to 6200+ in bad air (4000 DA).
 
Posts: 2008 | Location: 53056 | Registered: December 30, 2009Reply With QuoteReport This Post
DRR Trophy
Picture of TheBlueTruck
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quote:
Originally posted by markemark:
quote:
Most likely a 1.96 low with a 5.13 rear gear & very loose, spragless converter. [round 6100 - 6200]


Very strong SLR. Consider choosing 5.14 (36/7) over the 5.13 (41/8). Thicker teeth. I like more stall flashing to 6200+ in bad air (4000 DA).


It should leave hard enough with that setup.


Regan Wilson Super Street 469C
 
Posts: 236 | Location: Tyler Texas | Registered: February 24, 2011Reply With QuoteReport This Post
DRR Pro
Picture of Goob
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TH-350 is a waste for anything other than a Dairy Queen cruiser.

I was .03 slower to the 60', and the same at the finish line going from my 2.10 low TH-400 to a Powerglitch. Same gear and converter.


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Dave Cook
N375
 
Posts: 1175 | Location: Indy | Registered: November 21, 2008Reply With QuoteReport This Post
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