1970 jimmy ps and pb - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bigrigpardo · 11-28-2009, 10:24 PM

i have a 1970 jimmy 307 4sp 4wd but i want to go for ps and pb i have a guy who hase both setups out of a 1972 c20. will this just bolt in happily or am i looking for trouble

bigrigpardo · 11-29-2009, 11:47 AM

any luck guys will this work or no

**jaros44sr** · 11-29-2009, 12:34 PM

Haven't done it, but trucks and Jimmy/Blazers are basically the same up front

bigrigpardo · 11-29-2009, 01:18 PM

well it should work in that case but i heard that i should only use 69-71 and that 72 was different

71jimmy · 11-29-2009, 01:59 PM

Only thing I would say is that the 72 brakes had disc in front, your '70 has drum in front, so the prop valve is different bt. the two. So unless you are changing everything end to end you may have some differences.

As far as the power steering, I upgraded my '71 and only replaced the steering box and added the pulley and pump. Works great, easy mod. As far as the pump/pulley, I was lucky I had the short water pump so the pulley aligned perfect. You'll need to pay attention as to wether the donor had a long or short water pump and which setup you have to match everything up.

Good Luck

bigrigpardo · 11-29-2009, 06:03 PM

yea i need a set of pulleys that is the only thing it doesnt have

11-28-2009, 10:24 PM	#1
bigrigpardo Registered User Join Date: Sep 2008 Location: NEW MILFORD NJ Posts: 1,453	1970 jimmy ps and pb i have a 1970 jimmy 307 4sp 4wd but i want to go for ps and pb i have a guy who hase both setups out of a 1972 c20. will this just bolt in happily or am i looking for trouble

11-29-2009, 11:47 AM	#2
bigrigpardo Registered User Join Date: Sep 2008 Location: NEW MILFORD NJ Posts: 1,453	Re: 1970 jimmy ps and pb any luck guys will this work or no

11-29-2009, 12:34 PM	#3
jaros44sr Senior Member Join Date: May 2006 Location: Philadelphia, Pa. 19454 Posts: 9,761	Re: 1970 jimmy ps and pb Haven't done it, but trucks and Jimmy/Blazers are basically the same up front __________________ Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim

11-29-2009, 01:18 PM	#4
bigrigpardo Registered User Join Date: Sep 2008 Location: NEW MILFORD NJ Posts: 1,453	Re: 1970 jimmy ps and pb well it should work in that case but i heard that i should only use 69-71 and that 72 was different

11-29-2009, 01:59 PM	#5
71jimmy Registered User Join Date: Mar 2004 Location: Sacramento, CA Posts: 1,083	Re: 1970 jimmy ps and pb Only thing I would say is that the 72 brakes had disc in front, your '70 has drum in front, so the prop valve is different bt. the two. So unless you are changing everything end to end you may have some differences. As far as the power steering, I upgraded my '71 and only replaced the steering box and added the pulley and pump. Works great, easy mod. As far as the pump/pulley, I was lucky I had the short water pump so the pulley aligned perfect. You'll need to pay attention as to wether the donor had a long or short water pump and which setup you have to match everything up. Good Luck __________________ '71 Jimmy, 350, SM465, NP205, 2in Tuff Country lift, 33s on rallies, TBI, softtop and hardtop "If life was fair you'd be able to afford one of each and a garage large enough to house them all."

11-29-2009, 06:03 PM	#6
bigrigpardo Registered User Join Date: Sep 2008 Location: NEW MILFORD NJ Posts: 1,453	Re: 1970 jimmy ps and pb yea i need a set of pulleys that is the only thing it doesnt have



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