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#26 |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: Hydroboost into a 67-72
The answer is the hydroboost came out of a metric brake square body truck - diesel or 3500 series, '81 - '91 (mine was an '87). Hydroboost first appeared in '75 to my knowledge, any square body truck unit should work out for this.
And as above, Astro/Safari and Express/Savana vans are pretty readily found in junkyards and many have hydroboost units in them.
__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#27 |
Registered User
Join Date: Nov 2013
Location: Oxnard,ca
Posts: 98
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Re: Hydroboost into a 67-72
Thanks for getting back to me. I have a 70 suburban I picked up a hydrobost off the van with master cylinder with proportion valve now to figure out the plumbing. Dose any one know the thread patterns for the stock 70 Chevys so I can purchase the adapters. CPP sells a kit for $115.00 an I don't want to spend that much money on fittings that may cost $30 bucks.
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#28 | |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: Hydroboost into a 67-72
Quote:
__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#29 |
Registered User
Join Date: Nov 2013
Location: Oxnard,ca
Posts: 98
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Re: Hydroboost into a 67-72
The ones that go here also the Power steering reservoir
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#30 |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: Hydroboost into a 67-72
If memory serves, they're 5/8"-18 pressure side and 11/16"-18 return (inverted flare nuts), and 5/8"-18 into the pump, but not 100% on that ... I would double check.
__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#31 |
Registered User
![]() Join Date: Oct 2013
Location: Elkton
Posts: 693
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Re: Hydroboost into a 67-72
I would save it they are a great set up and not cheap rebuilt or new hell if it was good ill buy it from you for a spare if you dont want it
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#32 |
Registered User
![]() Join Date: Oct 2013
Location: Elkton
Posts: 693
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Re: Hydroboost into a 67-72
Quote:
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#33 |
Registered User
Join Date: Feb 2016
Location: Elizabeth City, NC
Posts: 1
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Re: Hydroboost into a 67-72
Quote:
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#34 | |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
|
Re: Hydroboost into a 67-72
Quote:
LINK
__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#35 |
Registered User
Join Date: Aug 2012
Location: Edmonton, Alberta
Posts: 8
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Re: Hydroboost into a 67-72
Any chance we can get the pictures working again?
Looking to do this swap shortly on my 68 C30. Seems like this will help me out a lot. Are the hydroboost on covered with 80-91 square bodies or do the newer body styles have the same brackets? Thanks. |
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#36 |
Senior Member
![]() Join Date: May 2012
Location: Scottsdale, AZ
Posts: 1,906
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Re: Hydroboost into a 67-72
If Jjorgensen52 does not come back with images I can augment (looks like the photo bucket people are holding images for ransom!). I just completed an install off an 85 cucv into my 70. Not much to it, though there are a couple small items you need to consider. What axle are you running up front for your discs. I do think it is smart to get the master that matches the booster.
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White K20 |
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#37 | |
Registered User
Join Date: Aug 2012
Location: Edmonton, Alberta
Posts: 8
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Re: Hydroboost into a 67-72
Quote:
I will be matching the master with the front brakes. I have a 68 C30 high GVW that I will be swapping a 84 CC C30 single wheel High GVW crossmember/brakes. I'll find a 1ton of the same GVW to get the hydroboost, the plan is to keep it a true 1ton but with better brakes and lowered. Should make for a nice tow rig. |
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#38 |
Registered User
Join Date: Oct 2016
Location: Dallas Texas
Posts: 3,077
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Re: Hydroboost into a 67-72
Dang! The PB fiasco beat the crap out of this thread!
Not going to be an easy fix ( for this and soooo many other threads across the Net ) either unless PB relents. -klb
__________________
67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi 07 335 sport turbo 6sp 94 Trans Am GT LT1 6sp posi -- sold after 22yrs 99 540 sport V8 6sp -- sold 73 240z L24 4sp -- given to friend 68 C10 step 350/350 3.73 open -- sold |
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#39 |
Moderator
![]() Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,191
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Re: Hydroboost into a 67-72
All, re the PB issues...its a simple fix...dont use PB...
Save your images to your local computer, then upload them from your local computer... PB and others are simply trying to maximize revenue, using your own pics as assets...just dont use PB or other file sharing environments... |
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#40 |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: Hydroboost into a 67-72
Hey guys:
Yes I still have all the images, and I am hoping to start restoring them all when I get home from my current work trip. Sorry for the inconveniences, meantime. Photobucket cutting the links has made it hard to determine what all of them were, so it is going to take me a little time.
__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#41 | |
Registered User
Join Date: Aug 2012
Location: Edmonton, Alberta
Posts: 8
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Re: Hydroboost into a 67-72
Quote:
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#42 | |
Moderator
![]() Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,191
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Re: Hydroboost into a 67-72
Quote:
See my previous post: http://67-72chevytrucks.com/vboard/s...d.php?t=746054 No fix yet for Internet Explorer... |
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