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04-29-2013, 05:51 PM
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#1 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Astro Van VS Late Model Hydro boost unit
So I finally made it back into the garage and have my truck going for this season, and one of the top items on my list is finishing the hydroboost. I need to hit the junkyards this week, and located a few different hydroboost units.
Is there a fucntional difference or preferred unit for these conversions? I've seen the Astro Van units, and then the late model silverado hd hydroboost units, all around the same price. I'm running an lq4 with the hydroboost-ready ps pump, and if it matters, the 72 steering gear. Thanks.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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04-30-2013, 05:25 PM
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#2 |
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67-72 parts collector,…
 
Join Date: Nov 2002
Location: Mid-MO
Posts: 22,716
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Re: Astro Van VS Late Model Hydro boost unit
anyone?
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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04-30-2013, 06:12 PM
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#3 |
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Registered User
Join Date: Jun 2006
Location: Indiana
Posts: 4,859
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Re: Astro Van VS Late Model Hydro boost unit
There is an angle difference on the booster mount. The Astro is more level and the late model is angled. May make no difference to you. Or my memory could be failing me.
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'70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60 |
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04-30-2013, 07:32 PM
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#4 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Astro Van VS Late Model Hydro boost unit
Thanks for the input, I stopped at a yard and got a nice (tho greasy) hydro unit, with mounting bracket, and master cylinder for $45, from a 97ish astro. Was a bear to get out since I could barely get under the dash, but other than that seemed worth it for the price.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING |
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05-01-2013, 09:28 AM
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#5 |
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Registered User
Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,944
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Re: Astro Van VS Late Model Hydro boost unit
Awesome let us know how it goes I have thought about that upgrade as well
Posted via Mobile Device
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
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05-01-2013, 06:08 PM
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#6 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Astro Van VS Late Model Hydro boost unit
Guys, I found some really nice threads over on DieselPlace and a few others; those diesel guys have rebuilt more of these things than we here on the hotrod scene can imagine.
I'm going to do my own little synapsis on our forum, with my teardown pictures etc; it will be nice to get some hard info on the rebuild and swap for us over here! Link coming tonight.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING |
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05-06-2013, 04:16 PM
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#7 |
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Registered User
Join Date: Nov 2011
Location: Omaha, Nebraska
Posts: 437
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Re: Astro Van VS Late Model Hydro boost unit
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Travis' Tribute Truck - 65 C10 Frame Up Restoration http://67-72chevytrucks.com/vboard/s...d.php?t=495073 |
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05-06-2013, 04:25 PM
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#8 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Astro Van VS Late Model Hydro boost unit
lol thanks, I never came back to posting the link.
Parts kit came in today, I will be updating the other thread later.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING |
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