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Country Discussion Topics
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Motorhead needed
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steve19438    Posted 01-10-2004 at 18:23:59       [Reply]  [Send Email]
in what model year did chevrolet drop the power glide tranny and go a three speed auto tranny?
thanks


Hal/WA    Posted 01-10-2004 at 23:58:31       [Reply]  [No Email]
I am not sure of the exact year, but I believe that Powerglides were still used in some models into the 70's. The powerglide was cheaper than the turbohydro 350, which I think came out about 68 or 69. The turbo 400 was first used in Chevys in 1965, at least in cars, and usually with the 396. Believe it or not, the Spokane Fire Department had a 64 Chevy station wagon/first aid car that had a 409 and a Powerglide. It really hauled! I am not sure about when trucks first got the TH400.

A friend of mine had a 69 or 70 Chevy half ton with a 350 and a Powerglide. He never had much trouble with it, but it was a real gas hog.


toolman    Posted 01-11-2004 at 02:38:59       [Reply]  [No Email]
you can still get powerglides there are use in racing also.


Hal/WA    Posted 01-11-2004 at 20:59:55       [Reply]  [No Email]
Sure, you can still get a Buick Dynaflow or Packard Ultramatic if that is what you need, or just about any other transmission. But I don't remember ever seeing a Powerglide as original equipment in a new Chevy past the early 70's.

Some people do use aluminum Powerglides in racecars. The ones I am familiar with are light drag machines that can perform well with just two ratios. I have heard that a Powerglide takes lots less power to turn it than either a TH350 or TH400, allowing more engine power to get to the rear axle. The Powerglide also can be beefed up to be very durable and are less expensive than some other automatics. Powerglides can be adapted to almost any engine.

When I was growing up, several of my friends had 50's cars with Powerglides and all of them were poor accellerating machines. One of them went to the trouble of putting a T-10 4 speed in his 57 BelAir and the performance jump was phenominal, with no changes at all to the engine. We sure didn't think much of Powerglides back then.

Later another friend had a 65 or 66 Impala with a Powerglide and what he claimed was a 350 horse 327 (and I assume fairly stiff gears). That car was really quick and responsive, even in the big, heavy car. Maybe the later aluminum Powerglide was a lot better transmission than the older iron cased unit of the same name. And that was before we knew anything about high stall speed torque converters. I have always wondered how bad his gas mileage was--I would guess single digits. But that was in the days of super premium for less than 30 cents per gallon.

Good memories....I miss those days.


Darryl - MO    Posted 01-10-2004 at 21:30:16       [Reply]  [No Email]
I believe the Powerslide trans. was phased out about the '67 or '68 model year.


Ron,Ar    Posted 01-10-2004 at 18:53:53       [Reply]  [No Email]
Steve I am thinking around the mid-50s. I just can't remember when the powerglide and the turboglide came about. I do know Pontiac had a Turbo-hydramatic earlier than Chevy. Back then Pontiac and GMC trucks were closly associated.


Bob    Posted 01-10-2004 at 18:29:18       [Reply]  [No Email]
I have an original 1966 C-10 with a Powerglide, and my neighbor has an original 1968 GMC with a 3 speed THM-400. That should give a close insite into the year.


Rowdy Yates    Posted 01-10-2004 at 18:43:41       [Reply]  [No Email]
Are You looking for a motorhead or a tranny? After reading Bobs reply, I get an idea of the years. I figured such, I'm more familiar with 1970 and up, but I have done plenty to mid sixty's autos. I rebuilt 1963 Chevy 292 6-Cycl a few years ago, had Mexico stamped right in the block, I didn't know that those dudes were built over there back then. But anyway, I've got some heads.


Rowdy Yates    Posted 01-10-2004 at 18:28:42       [Reply]  [No Email]
About what years are ya talkin' steve? This may be way before my time. I've dealt with Chevy's for years, but possibly nothin' that old.


steve19438    Posted 01-10-2004 at 19:16:04       [Reply]  [Send Email]
i had a 65 impala with a pwr glide. i also had a 68 impala but for the life of me i can't remember if it was a pwr glide or not. (it was a subject of discussion at work)


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