Pitman arm differences - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Blue68 · 01-08-2005, 01:00 AM

Can anyone tell me the dimensional differences between the '68-'72 and '73-'82 power steering pitman arms? Is the drop different, the length, or pitman shaft hole?

Thanks.

**kwmech** · 01-08-2005, 01:14 AM

I think they changed in 71, if I remember right they are the same from 71 to 80 something.

longhorn71 · 01-08-2005, 01:43 AM

i used a 82 1/2 power steering box and pitman arm on my 72 1-ton.bolted in and works great.

roj2323 · 01-08-2005, 01:49 AM

the main difference that i am told is that the 69-72 ps boxes are standard and the 73?-87 ones are metric. i'm not sure if the pitman arms conform to that as well but it may.

01-08-2005, 01:00 AM	#1
Blue68 Registered User Join Date: Apr 2000 Location: Frisco, Tx, USA Posts: 606	Pitman arm differences Can anyone tell me the dimensional differences between the '68-'72 and '73-'82 power steering pitman arms? Is the drop different, the length, or pitman shaft hole? Thanks. __________________ http://home.comcast.net/~r.landrum/w...tos.html-.html '68 C-10 LWB, '98 Z-71 350 w/accessories (Serpentine), Edelbrock Performer, Edelbrock 1405 (600cfm) carb, GM HEI, CompCam Extreme 4x4 roller cam, Thorley Headers, Carter Electric Fuel Pump, Vintage Air, 700r4, 3.73, disc brakes and power steering upgrades.

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01-08-2005, 01:14 AM	#2
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,661	I think they changed in 71, if I remember right they are the same from 71 to 80 something.

01-08-2005, 01:43 AM	#3
longhorn71 Senior Member Join Date: Sep 2004 Location: CANADA Posts: 1,681	i used a 82 1/2 power steering box and pitman arm on my 72 1-ton.bolted in and works great.

01-08-2005, 01:49 AM	#4
roj2323 Senior Member Join Date: Mar 2004 Location: Somewhere Posts: 985	the main difference that i am told is that the 69-72 ps boxes are standard and the 73?-87 ones are metric. i'm not sure if the pitman arms conform to that as well but it may.



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