07-23-2018, 12:39 PM | #1 |
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Join Date: May 2018
Location: Phoenix, AZ
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Ram Assist Swap? ‘68
I have a ‘68 1/2ton CST, 327/400. It has the ram assist PS, I want to swap to an integral PS gearbox (circa late 70s). I’m clear on the fitment of the box, my questions are related to PS pump fittings and steering linkage.
1. Will my current PS pump work, or is it unique to the ram assist? Just get new hoses and bolt them in? 2. Will I need to change my linkage? (Tie rods, drag links, pitman and idler arm) or asked another way...is the ram assist steering linkage different than the integrated box linkage. Thanks! |
07-23-2018, 10:39 PM | #2 | |
The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,632
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Re: Ram Assist Swap? ‘68
Quote:
I have the same exact setup with my '68 CST. My ram assist works good and doesn't leak so I have no plans to change it, but to answer your question I would try to get the box and pump from the same vehicle. I will have to look at mine and compare it to one of my other trucks as far as the steering components. I would say they would be different. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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07-24-2018, 06:13 AM | #3 |
Old member
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Location: Liberty, & Garden City S.C. , U.S.
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Re: Ram Assist Swap? ‘68
I agree with LocDoc it best to get everything off the donor truck. Later if you want new stuff just take what you have and get new.
As far as the linkage yes it will need what ever the donor has. I know on my 64 SS Impala I had to change everything out when I took the ramp off and installed the CPP 500 box.
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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. |
07-24-2018, 01:49 PM | #4 |
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Join Date: May 2018
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Re: Ram Assist Swap? ‘68
Thanks Gents!
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07-24-2018, 05:32 PM | #5 |
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Join Date: Jan 2007
Location: Puyallup, WA
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Re: Ram Assist Swap? ‘68
If interested, you can rebuild your ram assist. Corvettes used the same ram assist for a spell and you can buy rebuild kits from Ecklers. Here's a fantastic thread on the rebuild process with lots of pics: http://67-72chevytrucks.com/vboard/s...d.php?t=253657
If not wanting to rebuild, I agree with what's said above, get everything from the same donor. Goodluck!
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07-28-2018, 06:17 PM | #6 |
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Join Date: Dec 2009
Location: bisbee, arizona
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Re: Ram Assist Swap? ‘68
keep it all together as I am sure you know, that 68 ps set up, its pretty valuable to others on this board
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07-28-2018, 06:21 PM | #7 |
Registered User
Join Date: May 2018
Location: Phoenix, AZ
Posts: 40
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Re: Ram Assist Swap? ‘68
Yup. That and my Turbo 400 kick down linkage will be kept and eventually sold.
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