Trying to Install Power Steering - The 1947 - Present Chevrolet & GMC Truck Message Board Network

70 GMC Trucker · 10-14-2007, 10:14 PM

I'm having some problems installing power steeing on my 70 GMC. It has a 350 with a long water pump but as you can see from the pictures the pulley on the pump would line up dead center of the two groove crank oulley. I haven't located the correct crank pulley as yet the line up doesn't seem right. The pump is from a70 Chev but my moter is a 73. Would it best to try and find a crank pulley,water pump pulley and power steering pump all from the same vehicle rather piecing it together. Thanks for any help !!

droppedgmc · 10-14-2007, 10:26 PM

get a double belt pulley for the crank

68 P.O.S. · 10-14-2007, 10:59 PM

**clay68c10** · 10-14-2007, 11:04 PM

If you can't find a 2-groove crank pulley that works, get the long waterpump (73+) bracket set for the steering pump. Everything will match then. It will mount the p.s. pump higher up on the block.

70 GMC Trucker · 10-14-2007, 11:09 PM

I know I need a double pulley on the crank but what I saying is the pump pulley would line up dead center of the two grooves on the crank pulley.

Andy4639 · 10-15-2007, 11:58 AM

Don't think so. Look at what you have now the alternator lines up with the power steering pump. The new crank pulley would let alll three line up.

*Billla* · 10-15-2007, 12:09 PM

If someone has the measurements for the double or triple pulley I'll look in my goodie box - I have a ton of these and I'd get one out to 70 GMC gratis

Olden Days · 10-15-2007, 01:29 PM

You definitely need a double or tripple crank pulley to add Power steering but it still wont line up untill you have the PS pump that goes with the long water pump. 1st pic is an example of a motor I pulled where the guy has long pump with with same ps pump as you. he has triple pulley on the crank but still wont line up. second pic is motor in my truck with long pump w/correct ps pump for long water pump.

70 GMC Trucker · 10-16-2007, 01:11 AM

Thank you very much for the info, thought I had something wrong. Made a call and think I might have lined up the correct pump, any idea what years of trucks would work for this project. Thanks again

brak · 10-16-2007, 01:16 AM

I'm running a PS pump from a 78 camaro, because, it mounts like the older "keyed" pumps, but uses the newer press on pulley.

think i got both the pump, and the OE pulley from autozone for under $40 total.

jott_06 · 10-16-2007, 06:54 AM

ok from what i understand from seeing your pics is that your trying to run a saginaw power steering pump with a long water pump and passenger side alternator. The saginaw pumps were usually used with short water pumps and drivers side aternator with a different style pulley on the crank to match the short water pump, alternator, and power steering pump. The easiest way i could see to fix your problem is to go to the junkyard and find the other style pump(i believe its borg warner) that is made to work with your long water pump and it will line right up. Make sure to get the brackets with it also. Just my $.02

10-14-2007, 10:14 PM	#1
70 GMC Trucker Registered User Join Date: Apr 2007 Location: Victoria, BC Canada Posts: 48	Trying to Install Power Steering I'm having some problems installing power steeing on my 70 GMC. It has a 350 with a long water pump but as you can see from the pictures the pulley on the pump would line up dead center of the two groove crank oulley. I haven't located the correct crank pulley as yet the line up doesn't seem right. The pump is from a70 Chev but my moter is a 73. Would it best to try and find a crank pulley,water pump pulley and power steering pump all from the same vehicle rather piecing it together. Thanks for any help !! Attached Images

10-14-2007, 10:26 PM	#2
droppedgmc Truck Enthusiast Join Date: Dec 2006 Location: Arlington, WA Posts: 1,346	Re: Trying to Install Power Steering get a double belt pulley for the crank __________________ '85 swb

10-14-2007, 10:59 PM	#3
68 P.O.S. Registered User Join Date: Jan 2007 Location: Puyallup, WA Posts: 1,662	Re: Trying to Install Power Steering __________________ 72 C10 lwb fleetside -stock 350/350 combo

10-14-2007, 11:04 PM	#4
clay68c10 Senior Member Join Date: Aug 2004 Location: Centennial, CO Posts: 2,935	Re: Trying to Install Power Steering If you can't find a 2-groove crank pulley that works, get the long waterpump (73+) bracket set for the steering pump. Everything will match then. It will mount the p.s. pump higher up on the block. __________________ ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ

10-14-2007, 11:09 PM	#5
70 GMC Trucker Registered User Join Date: Apr 2007 Location: Victoria, BC Canada Posts: 48	Re: Trying to Install Power Steering I know I need a double pulley on the crank but what I saying is the pump pulley would line up dead center of the two grooves on the crank pulley.

10-15-2007, 11:58 AM	#6
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,936	Re: Trying to Install Power Steering Don't think so. Look at what you have now the alternator lines up with the power steering pump. The new crank pulley would let alll three line up. __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.

10-15-2007, 12:09 PM	#7
Billla Account Suspended Join Date: Sep 2005 Location: Monroe, WA Posts: 3,815	Re: Trying to Install Power Steering If someone has the measurements for the double or triple pulley I'll look in my goodie box - I have a ton of these and I'd get one out to 70 GMC gratis

10-15-2007, 01:29 PM	#8
Olden Days Living In The Past Join Date: Nov 2003 Location: Rockies Posts: 709	Re: Trying to Install Power Steering You definitely need a double or tripple crank pulley to add Power steering but it still wont line up untill you have the PS pump that goes with the long water pump. 1st pic is an example of a motor I pulled where the guy has long pump with with same ps pump as you. he has triple pulley on the crank but still wont line up. second pic is motor in my truck with long pump w/correct ps pump for long water pump. Attached Images Last edited by Olden Days; 10-15-2007 at 01:30 PM.

10-16-2007, 01:11 AM	#9
70 GMC Trucker Registered User Join Date: Apr 2007 Location: Victoria, BC Canada Posts: 48	Re: Trying to Install Power Steering Thank you very much for the info, thought I had something wrong. Made a call and think I might have lined up the correct pump, any idea what years of trucks would work for this project. Thanks again

10-16-2007, 01:16 AM	#10
brak Registered User Join Date: Apr 2006 Location: MinneSNOWta Posts: 1,381	Re: Trying to Install Power Steering I'm running a PS pump from a 78 camaro, because, it mounts like the older "keyed" pumps, but uses the newer press on pulley. think i got both the pump, and the OE pulley from autozone for under $40 total. __________________ 2003 GMC Sierra 1500 WT 1995 Nissan Hardbody 2016 Hyundai Veloster Turbo DC2 (SW/AW) Clyde W. Harvey USN "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery" Winston Churchill Last edited by brak; 10-16-2007 at 01:19 AM.

10-16-2007, 06:54 AM	#11
jott_06 Camaro Club Join Date: Jun 2007 Location: ohio Posts: 472	Re: Trying to Install Power Steering ok from what i understand from seeing your pics is that your trying to run a saginaw power steering pump with a long water pump and passenger side alternator. The saginaw pumps were usually used with short water pumps and drivers side aternator with a different style pulley on the crank to match the short water pump, alternator, and power steering pump. The easiest way i could see to fix your problem is to go to the junkyard and find the other style pump(i believe its borg warner) that is made to work with your long water pump and it will line right up. Make sure to get the brackets with it also. Just my $.02

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