steering and brakes?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

shelby987 · 10-22-2005, 08:23 AM

I have a trip planned to the local junk yard today, and I have a couple of questions with regard to interchange-ability.....

I need a powersteering box for a 70 3/4t 4x4, as well as a power brake booster.....what other years will work for these parts?? (pretty sure my scrap yard wont have a 67-72 4x4 sitting somewhere) Do I want to stick with a 3/4t or higher?

Also, aside from the pump, line, and steering box, is there any other parts I need to take with me to do that swap?
Thanks

**special-K** · 10-22-2005, 08:32 AM

You need all the pulleys for a complete conversion set-up.If it`s after`72,make sure the water-pump is short,or at least the same as what`s on your truck.Measure yours first.The boxes are the same K/5-K/20.GM lists the box as the same up to`76 or through`75,4wd only.I paid $175 for the conversion many years ago.But,parts are that much older now.I wouldn`t pay more than that now.It`s hard to find a good 30 year old box.I ended up replacing the one from my conversion with a new factory unit for $300+.

edit:That`s steering,what about brakes?

krue · 10-22-2005, 09:04 AM

I think the booster for the 3/4 ton is a heavier duty unit than a half ton booster, so that my limit you to 67-72 3/4 ton and up. There's no diff in how they bolt up, so you could get away with 1/2 ton boosters. I think I remember checking part numbers and the car boosters for the same years are the same as the trucks, but I won't swear to that.

shelby987 · 10-22-2005, 09:45 AM

is it only 67-72 boosters that will fit or are there other years?
Thanks

10-22-2005, 08:23 AM	#1
shelby987 Registered User Join Date: Mar 2005 Location: Just outside Durham, NC Posts: 894	steering and brakes?? I have a trip planned to the local junk yard today, and I have a couple of questions with regard to interchange-ability..... I need a powersteering box for a 70 3/4t 4x4, as well as a power brake booster.....what other years will work for these parts?? (pretty sure my scrap yard wont have a 67-72 4x4 sitting somewhere) Do I want to stick with a 3/4t or higher? Also, aside from the pump, line, and steering box, is there any other parts I need to take with me to do that swap? Thanks

10-22-2005, 08:32 AM	#2
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: steering and brakes?? You need all the pulleys for a complete conversion set-up.If it`s after`72,make sure the water-pump is short,or at least the same as what`s on your truck.Measure yours first.The boxes are the same K/5-K/20.GM lists the box as the same up to`76 or through`75,4wd only.I paid $175 for the conversion many years ago.But,parts are that much older now.I wouldn`t pay more than that now.It`s hard to find a good 30 year old box.I ended up replacing the one from my conversion with a new factory unit for $300+. edit:That`s steering,what about brakes? __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ Last edited by special-K; 10-22-2005 at 08:34 AM.

10-22-2005, 09:04 AM	#3
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,448	Re: steering and brakes?? I think the booster for the 3/4 ton is a heavier duty unit than a half ton booster, so that my limit you to 67-72 3/4 ton and up. There's no diff in how they bolt up, so you could get away with 1/2 ton boosters. I think I remember checking part numbers and the car boosters for the same years are the same as the trucks, but I won't swear to that. __________________ "If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck"

10-22-2005, 09:45 AM	#4
shelby987 Registered User Join Date: Mar 2005 Location: Just outside Durham, NC Posts: 894	Re: steering and brakes?? is it only 67-72 boosters that will fit or are there other years? Thanks

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