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02-11-2020, 09:51 PM | #1 |
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Join Date: Apr 2017
Location: Boise, ID
Posts: 856
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Yet Another Power Steering Upgrade Question
I inherited this motor with a long water pump setup and my ex-buddy was helping me do the engine swap. I wanted to do a short water pump setup, but he insisted on keeping the long WP setup. In the end, we were running out of time and kept it setup as a long WP.
Now that I’ve gotten the engine swap 100% complete, my next project will be to swap the front end to discs and install power steering and a brake booster. My 68 is in dire need of a front end rebuild and the gods have blessed me with a 71 C20 donor frame, so here we are. I’m having a hard time deciphering whether I have the correct brackets, pulleys, etc. to do this. I will attach some photos below with descriptions of what I have. My main concern is function. If I have a pulley that will work, but isn’t original for this truck that’s just fine with me. Please go easy on me, I’m still pretty new to this whole thing. I don’t even know if the long WP pulleys interchange with the short WP pulleys. I will be buying a remanufactured pump for a 71 C20 and I have the PS gearbox that was also on the 71 frame that I will have rebuilt. Picture 1 is my current set up centered on where the pump will go. Picture 2 is my current set up, but focused on the pulleys. Picture 3 are pulleys that I have acquired over time. Picture 4 is a pump that I have, but the pulley might be bent. I need to pull it and check if it’s straight. Picture 5 is another pump that I have. The pulley looks straight, but is a double pulley.
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1968 GMC C2500 Long Bed Fleetside |
02-11-2020, 09:56 PM | #2 |
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Join Date: Apr 2017
Location: Boise, ID
Posts: 856
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Re: Yet Another Power Steering Upgrade Question
More photos
Pictures 1-3 are of the same pump in the previous post. These photos are more to get an idea of the bracket and if it will work on this truck. Picture 4 is the alternator bracket that my previous engine was using. It never had the lower bracket installed. If I can get a lower bracket from the parts board, will this work? Would someone be able to post a clear picture of what a proper PS setup looks like? I did some searching and had a hard time figuring out what pulleys I need, how the belts should be routed, etc. Thank you for any help. Everyone here is so helpful.
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1968 GMC C2500 Long Bed Fleetside |
02-12-2020, 10:06 AM | #3 |
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Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: Yet Another Power Steering Upgrade Question
Well to answer your main question, no LWP & SWP pulleys will not work together at all. You need a complete set of which ever pump is used.
First thing is remove the ground strap it doesn't belong there and will need removing for the pump. If your setup now has the crank & water pump pulleys installed then I would use the double PS pulley. The 2 pumps you have are the correct pumps for these trucks. The round reservoir one is correct for the model year 68 but the square was used in the 70's. The double pulleys are found on most LWP setups.
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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. |
02-12-2020, 11:57 AM | #4 | ||
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Join Date: Apr 2017
Location: Boise, ID
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Re: Yet Another Power Steering Upgrade Question
Quote:
Quote:
https://www.rockauto.com/en/moreinfo...5144&jsn=12225 Thanks for your help, Andy!
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1968 GMC C2500 Long Bed Fleetside |
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02-12-2020, 12:09 PM | #5 |
Senior Member
Join Date: Nov 2019
Location: Cocoa FL
Posts: 596
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Re: Yet Another Power Steering Upgrade Question
Here is a SBC power steering bracket for $30.00 that just bolts into the block & the water pump. Might be an alternative for you.
https://www.ebay.com/i/183028204193?...hoCKv4QAvD_BwE
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Die with memories, not dreams. Not to brag, but I don't need alcohol to make really bad decisions. 1969 GMC Short Step Side |
02-12-2020, 12:19 PM | #6 |
Senior Member
Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: Yet Another Power Steering Upgrade Question
This worked for me , A stock 71 style pump bracket with the short water pump style pulleys and pump and the 71 style alt bracket . Pickmup power steering hoses advance 27-7501 power steering gear box and lares 201 rag joint (coupler)
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1967 Factory short bed - Old school '71 - 350 / 4bolt / 487 heads / Edelbrock C3BX Muncie M-22 4 speed / Hurst Comp plus Factory 12 bolt posi 3.73 / 255-70-15 Smoothed firewall / Factory cowl induction Power disc brakes / power steering / 3.5-5" drop |
02-12-2020, 02:28 PM | #7 | |
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Join Date: Apr 2017
Location: Boise, ID
Posts: 856
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Re: Yet Another Power Steering Upgrade Question
Quote:
https://rover.ebay.com/rover/0/0/0?m...2F182639111623
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1968 GMC C2500 Long Bed Fleetside |
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