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Old April 24th, 2012, 09:03 PM   #1
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Jetaway Trans.

at the risk of sounding stupid but could some of you give me some background on the Jetaway.

I enjoy looking at the older Cutlass models and I hope in the future there may be a Cutlass out there for me and I'd like to know how the 2 speed held up,positives,negatives,performance and such.

thanks,

mike
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Old April 27th, 2012, 09:57 AM   #2
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Here is almost all you will ever need to know located on wiki
http://en.wikipedia.org/wiki/Super_Turbine_300

good luck
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Old April 27th, 2012, 12:40 PM   #3
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Wikepedia link mentions that the ST300 was known as simply automatic for Pontiacs. It is known as TEMPESTORQUE. Pontiac used the same name for the 61-63 automatic transaxles that were modified Corvair Powerglides.

I don't recall dual pattern ST300's. Always thought the Pontiac SOHC sixes were different than the 230 and 250 Chevy sixes as far a bell pattern.
The 2004r transmissions do have bop and chevy patterns though.

Never heard bad things about ST300s. The switch pitch transmissions are more desirable but only available on Buick and Olds 64-67.
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Old April 27th, 2012, 12:45 PM   #4
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I have enjoyed the variable vane (switch pitch) in my cars. When its working its really awesome off the line.
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Old April 27th, 2012, 12:51 PM   #5
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You can actually lay a strip down with a 330 when the variable vane is working, if its not working the car will never spin tire. Must suck for the pontiac/chevy guys
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Old April 27th, 2012, 02:08 PM   #6
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You can actually lay a strip down with a 330 when the variable vane is working, if its not working the car will never spin tire. Must suck for the pontiac/chevy guys
Mine must be a switch pitch. Its not a quick car but it will boil a tire w/ease. Not that I do it much.
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Old April 27th, 2012, 05:39 PM   #7
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hey guys, thanks for getting back to me. I'm a bit confused by the "switch pitch" and "variable vane". I thought the variable vane was Olds specific and switch pitch was a Buick named trans.

Now as for the operation of the Jetaway, how does the 2 speed perform? Is it a low 1st gear and an unlimited (for the lack of a better word) 2nd gear for top end?

How are they on the highway at 65+mph? Do they strain/whine to cruise at those higher speeds?

L69; you said your "is awesome when it's working", can you elaborate on that a little, what do you mean when it's working,are there certain issues. thanks for the link too.


if anyone would,give me the good,the bad and the ugly on them. I guess trying to get with the whole 2 speed (only) thing is throwing me.

my grandfather had a '65 f-85 4door which we got after he passed many many years ago and I drove the car a few times,but we're going back to '84 and to be honest I think it was a 3 speed but I cannot be certain at this time. It was a great car,super quick and fun to drive. it was a bare bones car w/p/s and man brakes.

any other info would be great but thank again for the replies,

mike
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Old April 27th, 2012, 06:35 PM   #8
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You are correct variable vane is specific to olds and switch pitch to buick. Well my many 66 cars that I have owned only a handful had the variable came work. Sometimes the internal switch / solenoid goes bad sometimes the wires inside the tranny itself which are surrounded by tranny fluid goes bad and sometimes the bell crank on the throttle link goes bad. Either way when it does not work the cars will become a pig. Rebuilding a jet away can cost more the a th350 so most guys just swap the tranny when they no longer work.
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Old April 27th, 2012, 06:37 PM   #9
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Sorry for the miss spelling
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Old May 7th, 2012, 11:08 AM   #10
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Quote:
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You are correct variable vane is specific to olds and switch pitch to buick. Well my many 66 cars that I have owned only a handful had the variable came work. Sometimes the internal switch / solenoid goes bad sometimes the wires inside the tranny itself which are surrounded by tranny fluid goes bad and sometimes the bell crank on the throttle link goes bad. Either way when it does not work the cars will become a pig. Rebuilding a jet away can cost more the a th350 so most guys just swap the tranny when they no longer work.
Will a torque converter from a 350 work on the Jetaway?

Thanks, Ted
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Old May 7th, 2012, 11:30 AM   #11
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will a torque converter from a 350 work on the jetaway?

Thanks, ted

no
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Old May 7th, 2012, 11:34 AM   #12
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no
What do I use? Have 68 350, will the jetway work behind, or do I shop for a turbo 350
Thanx, ted
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Old May 7th, 2012, 11:41 AM   #13
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What do I use? Have 68 350, will the jetway work behind, or do I shop for a turbo 350
Thanx, ted

Either way, I would opt for the turbo 350 but if you want to keep the Jetaway for originality I am sure someone on here could sell you a jetaway Torque Converter. They are pretty cheap.
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Old May 7th, 2012, 01:21 PM   #14
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Either way, I would opt for the turbo 350 but if you want to keep the Jetaway for originality I am sure someone on here could sell you a jetaway Torque Converter. They are pretty cheap.
Thanks, appreciate the info!

Ted
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Old May 7th, 2012, 07:53 PM   #15
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Mike- sorry, did not mean to hi-jack your thread- I needed some imfo quickly.

Ted
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Old May 28th, 2012, 04:09 AM   #16
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Quote:
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You can actually lay a strip down with a 330 when the variable vane is working, if its not working the car will never spin tire. Must suck for the pontiac/chevy guys
Well L69 then I know my Jetaway isnt working then cause this sled cant lay down a strip without a severe power brake, I mean thats wut ive been told as i am too old for burnouts. Can we be ? LOL...I replaced the fuse & all the wires are plugged in at the linkage so it must be something internal. Thanks for the input guys...
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Old May 28th, 2012, 04:20 AM   #17
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still have a jetaway I am trying to get rid of......
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Old May 28th, 2012, 04:43 AM   #18
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Question

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still have a jetaway I am trying to get rid of......
Is it in working condition or just for parts ? Thanks
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Old May 28th, 2012, 06:06 AM   #19
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still have a jetaway I am trying to get rid of......
Some years ago I offered a 330 Olds motor for sale. Price was $100 for the motor, or $75 if the buyer took the Junkaway trans with it...
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Old May 28th, 2012, 06:39 AM   #20
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Working condition, took it out of my 68 Cutlass last fall. Was a summer driver for the 6 years I've had it before that with no trouble. I really just want to get it out of my garage.....I am in Minnesota, you?
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Old June 6th, 2012, 07:10 PM   #21
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Sorry boese i just saw your answer after i sent u an email about the trans. Id love to have it but Minnesota to Fl is a hike..LOL
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Old June 10th, 2012, 05:37 PM   #22
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I'll drop you a line when I yank mine, complete & was rebuilt in the '80's....
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Old June 15th, 2012, 11:54 AM   #23
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Working condition, took it out of my 68 Cutlass last fall. Was a summer driver for the 6 years I've had it before that with no trouble. I really just want to get it out of my garage.....I am in Minnesota, you?
68 had no switch pitch, therefore no fun!
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Old September 1st, 2013, 09:29 AM   #24
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2 speed trans

my 69 F-85 has 2 speed after it warms up runs great ,
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Old September 1st, 2013, 09:29 AM
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