70 Ralley HELP!!

winterborn · July 7th, 2007, 01:31 PM

I need information on driveshaft length for this car. It's a 4 speed car but is lacking a driveshaft. Information on either getting one built or finding a replacement would be handy.

Oldsmaniac · July 7th, 2007, 07:46 PM

I believe a driveshaft from a standard cutlass with smallblock and turbo 350 is a direct swap....prob from years 68 to 72....Someone correct me if Im wrong.

winterborn · July 8th, 2007, 09:56 AM

Thanks, Now to find one down here in New Mexico.

joe_padavano · July 8th, 2007, 10:12 AM

Quote:

Originally Posted by Oldsmaniac

I believe a driveshaft from a standard cutlass with smallblock and turbo 350 is a direct swap....prob from years 68 to 72....Someone correct me if Im wrong.

Two things to be aware of. First, while all 68-72 A-body cars can be potential sources, the problem is that different rear axles can use driveshafts that vary by up to an inch in length. This may not sound like much, but if everything comes out on the short side the yolk can fall out of the trans, or at least leak.

Second, the automatic driveshafts use two concentric tubes with rubber in between. The manual trans driveshafts are solid.

winterborn · July 8th, 2007, 10:44 AM

My car is a Four speed so I would need the solid driveshaft. Is the measurment from transmission yoke to rear end yoke. By yoke I mean the saddle that holds the universal joint. I think OPG had the transmission output yoke.

Frank T Kaluza

Oldsguy · July 8th, 2007, 02:58 PM

Quote:

Originally Posted by joe_padavano

...the automatic driveshafts use two concentric tubes with rubber in between.

I didn't know that one. Great info. Now I are smarter!

Oldsmaniac · July 9th, 2007, 09:01 AM

Even though your car is a stick the rubber connected driveshaft will work just fine for a street car and will be much easier to find. Also note that the yoke from a turbo 400 car is too large to fit the turbo 350, Jetaway, or Muncie.

winterborn · July 9th, 2007, 05:13 PM

Thanks now I have a better idea what to check theyards for.

Frank T Kaluza

texasred · July 9th, 2007, 05:55 PM

PM 70W30cars. He knows 70s and 4 speeds! Also knows a lot of Texas/New Mexico parts guys.

C.J.

July 7th, 2007, 01:31 PM	#1 (permalink)
winterborn Junior Member Join Date: Jul 2007 Posts: 5	70 Ralley HELP!! I need information on driveshaft length for this car. It's a 4 speed car but is lacking a driveshaft. Information on either getting one built or finding a replacement would be handy.

July 9th, 2007, 05:55 PM	#9 (permalink)
texasred Tom Servo's Stunt Double Join Date: Apr 2004 Location: San Antonio, Texas Posts: 824	PM 70W30cars. He knows 70s and 4 speeds! Also knows a lot of Texas/New Mexico parts guys. C.J. __________________ Dad said, "Sometimes you read Job...sometimes you ARE Job!"

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

July 7th, 2007, 07:46 PM	#2 (permalink)
Oldsmaniac Registered User Join Date: Oct 2005 Location: NJ Posts: 686	I believe a driveshaft from a standard cutlass with smallblock and turbo 350 is a direct swap....prob from years 68 to 72....Someone correct me if Im wrong.

July 8th, 2007, 09:56 AM	#3 (permalink)
winterborn Junior Member Join Date: Jul 2007 Posts: 5	Thanks, Now to find one down here in New Mexico.

July 8th, 2007, 10:44 AM	#5 (permalink)
winterborn Junior Member Join Date: Jul 2007 Posts: 5	My car is a Four speed so I would need the solid driveshaft. Is the measurment from transmission yoke to rear end yoke. By yoke I mean the saddle that holds the universal joint. I think OPG had the transmission output yoke. Frank T Kaluza

July 9th, 2007, 09:01 AM	#7 (permalink)
Oldsmaniac Registered User Join Date: Oct 2005 Location: NJ Posts: 686	Even though your car is a stick the rubber connected driveshaft will work just fine for a street car and will be much easier to find. Also note that the yoke from a turbo 400 car is too large to fit the turbo 350, Jetaway, or Muncie.

July 9th, 2007, 05:13 PM	#8 (permalink)
winterborn Junior Member Join Date: Jul 2007 Posts: 5	Thanks now I have a better idea what to check theyards for. Frank T Kaluza