Front 4X4 driveshaft for a NP208 case. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

gchemist · 09-06-2004, 09:54 PM

Does anyone know the length for the front driveshaft for a 1/2 ton NP208 case configuration? Do the transmissions matter? 350TH, 400TH or the 700R4. A friend has two driveshafts and does not know which one to sell for a 1/2 suburban NP208 case. The driveshaft is comming off a 4X4 1/2 ton truck with a NP208 case but he has two.
Any info appreciated. Thanks!!

red450ih · 09-07-2004, 04:26 PM

I have a 400th/203 and a 400th/208 truck and they both have the same front drive shaft. Not sure if that helps you any.

Keith

gchemist · 09-07-2004, 07:56 PM

Keith,
Thanks for the reply.
I did find out there are two designs of drive shafts. The first went up to 77. Then another from 81-87. The years in between are a combo of both or slightly different. The 81-87 second design has a knuckle at one end with a u joint on one side and a round 4 bolt ring on the other. This design made the driveshaft shorter. The older version has u joints on both ends without the knuckle.

red450ih · 09-09-2004, 01:05 PM

I guess I should have included the year of the trucks as well. The 203 truck is a 79 and the 208 truck is an 85, each have a 10 bolt front axle. They both have the round bolt pattern flange. I have often heard people call this a CV joint. My 76 with a 465/205 has the regular yoke and U-joint coming off the front output of the 205 wich is hooked to a Dana 44 front axle. Just some extra info for you!

Keith

09-06-2004, 09:54 PM	#1
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Front 4X4 driveshaft for a NP208 case. Does anyone know the length for the front driveshaft for a 1/2 ton NP208 case configuration? Do the transmissions matter? 350TH, 400TH or the 700R4. A friend has two driveshafts and does not know which one to sell for a 1/2 suburban NP208 case. The driveshaft is comming off a 4X4 1/2 ton truck with a NP208 case but he has two. Any info appreciated. Thanks!! __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

09-07-2004, 04:26 PM	#2
red450ih Registered User Join Date: Mar 2001 Location: Nashville, Tennessee Posts: 225	I have a 400th/203 and a 400th/208 truck and they both have the same front drive shaft. Not sure if that helps you any. Keith __________________ GMC

09-07-2004, 07:56 PM	#3
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Keith, Thanks for the reply. I did find out there are two designs of drive shafts. The first went up to 77. Then another from 81-87. The years in between are a combo of both or slightly different. The 81-87 second design has a knuckle at one end with a u joint on one side and a round 4 bolt ring on the other. This design made the driveshaft shorter. The older version has u joints on both ends without the knuckle. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

09-09-2004, 01:05 PM	#4
red450ih Registered User Join Date: Mar 2001 Location: Nashville, Tennessee Posts: 225	I guess I should have included the year of the trucks as well. The 203 truck is a 79 and the 208 truck is an 85, each have a 10 bolt front axle. They both have the round bolt pattern flange. I have often heard people call this a CV joint. My 76 with a 465/205 has the regular yoke and U-joint coming off the front output of the 205 wich is hooked to a Dana 44 front axle. Just some extra info for you! Keith __________________ GMC

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