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03-28-2017, 10:26 PM
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#26 |
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Registered User
Join Date: Sep 2013
Location: Mount Morris,NY
Posts: 788
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
So now it was time to plumb it. I dumped my pile of hoses on the work bench and started measuring and figuring
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Dean 1972 Custom Camper c/20 5.3 LS swap in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=610187 in God we Trust 
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03-28-2017, 10:29 PM
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#27 |
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Registered User
Join Date: Sep 2013
Location: Mount Morris,NY
Posts: 788
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
I ended up using the feed line from pump to booster from the 2005 Chevy 2500 i pulled at the junkyard. it required no modifications. this line was all metric.
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Dean 1972 Custom Camper c/20 5.3 LS swap in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=610187 in God we Trust
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03-28-2017, 10:31 PM
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#28 |
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Registered User
Join Date: Sep 2013
Location: Mount Morris,NY
Posts: 788
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
It is always a good idea to blow out junkyard lines. A plugged line can cause all kinds of trouble
__________________
Dean 1972 Custom Camper c/20 5.3 LS swap in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=610187 in God we Trust
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03-28-2017, 10:35 PM
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#29 |
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Registered User
Join Date: Sep 2013
Location: Mount Morris,NY
Posts: 788
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
I used the late 80's 1 ton line for the feed back to the steering gearbox . I cut off the metric nut on the gearbox side and slipped on a standard fitting, then double flared it.
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Dean 1972 Custom Camper c/20 5.3 LS swap in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=610187 in God we Trust
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03-28-2017, 10:40 PM
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#30 |
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Registered User
Join Date: Sep 2013
Location: Mount Morris,NY
Posts: 788
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Then i grabbed the mid 70's T-fitting and made up a line for my steering gearbox return. keep in mind when running your return you want the least amount of bends as possible, and you want your bends gradual.the more bends,the hotter the fluid gets. A Steering fluid cooler is another option you may consider. I decided not to run one at this time.
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Dean 1972 Custom Camper c/20 5.3 LS swap in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=610187 in God we Trust
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03-28-2017, 10:48 PM
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#31 |
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Registered User
Join Date: Sep 2013
Location: Mount Morris,NY
Posts: 788
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
The finished product. I won't be able to try it out till the engine swap is done. Make sure to bleed your power steering!
Total cost: $35 Feel free to add info to this thread! 
__________________
Dean 1972 Custom Camper c/20 5.3 LS swap in progress. http://67-72chevytrucks.com/vboard/s...d.php?t=610187 in God we Trust
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03-31-2017, 09:28 AM
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#32 |
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Registered User
Join Date: Aug 2011
Location: Montrose, CO
Posts: 972
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Wow, nice thread that will come in handy for a number of people. Nice work!
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04-04-2017, 05:22 PM
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#33 |
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Registered User
Join Date: Oct 2014
Location: Mesa AZ (Near Phoenix)
Posts: 2,302
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Good job and write up. I may do something similar one day.
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"Life is too short to drive a boring vehicle". Later, Wayne 
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04-18-2017, 04:41 PM
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#34 |
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Registered User
Join Date: Jul 2011
Location: Dallas, TX
Posts: 183
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
great info and pictures.. Also just for some info the 87-91 blazer/ suburban gear boxes are metric threads so you can use the hoses from the newer model trucks with no mods if the length is right
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12-23-2017, 01:50 AM
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#35 |
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Registered User
Join Date: Nov 2013
Location: Oxnard,ca
Posts: 98
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
So you ran your original master cylinder from your factory booster c10 c20 c30 ? It’s been working just fine like that. I have a c10 but I’m running the c20 booster thought it would better braking but not much.
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05-03-2019, 10:07 AM
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#36 |
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Registered User
Join Date: Dec 2012
Location: Pendleton, Indiana
Posts: 235
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Any updates on how it works?
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08-22-2019, 10:41 AM
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#37 |
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Registered User
Join Date: Aug 2019
Location: NC
Posts: 30
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
great writeup, thanks!
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08-24-2019, 01:30 PM
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#38 |
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BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 20,000
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Last log in by OP March 2017. Hope the brakes held up!
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10-17-2019, 09:35 AM
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#39 |
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Registered User
Join Date: Mar 2015
Location: Washington State
Posts: 1,651
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Damn, i like this thread, wished he was around to ask some questions. I need to go to this due to vacuum issues. Great write up though
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10-17-2019, 01:50 PM
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#40 |
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Registered User
Join Date: Nov 2013
Location: Oxnard,ca
Posts: 98
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
What was your question?
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11-13-2019, 08:51 AM
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#41 |
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Registered User
Join Date: Apr 2013
Location: dalton ga
Posts: 2
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Great write up and good looking job.
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08-20-2020, 10:48 AM
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#42 |
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Registered User
Join Date: Jul 2006
Location: Orange, CA
Posts: 191
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
Great write-up. Thanks for all the pictures and info. Looking to do this soon.
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72 K5 4x4 350 70 Nova 454 5spd 4-link |
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08-20-2020, 10:59 AM
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#43 |
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Senior Member
Join Date: Jun 2007
Location: Pine Ridge Florida
Posts: 4,125
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Re: How i converted my '72 to Hydroboost for $35! (Lots of pictures)
What a great write up, wonder what happened to the thread starter?
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Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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