'80 and later np205 32 spline - The 1947 - Present Chevrolet & GMC Truck Message Board Network

'94 S-30 · 02-27-2003, 06:07 AM

As far as I know '80 and later 205's had the round 6 hole bolt pattern. I am wondering if anyone can confirm this and if so I am looking for one that style with a 32 spline input.

Showme-K-20 · 02-27-2003, 08:24 AM

I am interested in where GM made the design change, also. I have a 205 out of an '80 K-20 with the old style adapter design. Haven't been able to pin it down, but read somewhere that maybe in the early 80's when the NP208 showed up in the K-10's and K-20's, the 205 was still used in the K-30's and used the round design.

Bob

Blazer1970 · 02-27-2003, 09:05 AM

As I posted in drivetrain, I think the round pattern 205s are '85 and up K30 only.

02-27-2003, 06:07 AM	#1
'94 S-30 Registered User Join Date: Feb 2003 Location: Minnesota Posts: 8	'80 and later np205 32 spline As far as I know '80 and later 205's had the round 6 hole bolt pattern. I am wondering if anyone can confirm this and if so I am looking for one that style with a 32 spline input. __________________ '94 S-10 D60 D70HD 44" Boggers

02-27-2003, 09:05 AM	#3
Blazer1970 Registered User Join Date: Dec 1999 Location: Old Mission, MI, USA Posts: 2,510	As I posted in drivetrain, I think the round pattern 205s are '85 and up K30 only. __________________ Tim

02-27-2003, 08:24 AM	#2
Showme-K-20 Registered User Join Date: Feb 2001 Location: Southwest Missouri Posts: 153	I am interested in where GM made the design change, also. I have a 205 out of an '80 K-20 with the old style adapter design. Haven't been able to pin it down, but read somewhere that maybe in the early 80's when the NP208 showed up in the K-10's and K-20's, the 205 was still used in the K-30's and used the round design. Bob



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