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Old Nov 22, 2010 | 10:35 PM
  #16  
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I more or less followed this guy in using the Astrovan unit. I did the bracket different, but used the adapter fittings from eBay and had custom liines made.

http://www.ncspecialties.com/autobody/hydro/index.htm

Josh
 
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Old Nov 22, 2010 | 10:41 PM
  #17  
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Originally Posted by Bullitt390
I more or less followed this guy in using the Astrovan unit. I did the bracket different, but used the adapter fittings from eBay and had custom liines made.

NORTH COUNTRY SPECIALTIES ®

Josh
Did you swap to a saginaw pump? How do you tell which is which?
 
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Old Nov 22, 2010 | 11:03 PM
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No I still ran the Thompson Pump. I used my original pump at first until the front seal went out (actually it had been leaking for years, but finally got too much to handle) so I snagged another junkyard unit that had what seemed slightly less pressure.

The j/y unit would whine a little in parking lot situations where you're on the brakes some and cranking the wheel. But it worked just fine.

I then resealed my original pump and the day before I went to re-install it the hydroboost went sour. It was a junkyard unit too, so who knows. I have since picked up another unit, but haven't installed it yet.

But, I have a 2wd with 31" BFG TA/KO and also some 28" BFG Radial T/A tires so braking and power steering weren't taxed like it would with big 4X4 tires or off-roading. So I think the Thompson seems to work well as is, but a Saginaw is the way to go, especially if the Conversion Saginaw can be found.

Josh
 
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Old Nov 22, 2010 | 11:52 PM
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Silver Fellatio » Astro Van Hydroboost

This guy used a p/s pump from a 79 Lincoln mark V. I don't know if it is a Sag.
 
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Old Nov 23, 2010 | 12:05 AM
  #20  
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Originally Posted by F-250 restorer
Silver Fellatio » Astro Van Hydroboost

This guy used a p/s pump from a 79 Lincoln mark V. I don't know if it is a Sag.
Looks like he used a dual return Saginaw unit.

He sure mounted the boost unit awkwardly.

Josh

Wait a minute... Silver Fellatio?
 
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Old Nov 23, 2010 | 11:15 AM
  #21  
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Can someone explain how to do this? Did he simply cut the hard lines, flare them, and put on compression fittings?

If there's a decent hydraulic shop in your area they can make you new lines with whatever ends and fittings you need, or cut old fittings off and install new conversion fittings. Cheap peace of mind. If I'd have had to modify high pressure lines, I would rather have a pro do the work on them.
 
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Old Nov 23, 2010 | 12:50 PM
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Originally Posted by bendog
Can someone explain how to do this? Did he simply cut the hard lines, flare them, and put on compression fittings?

If there's a decent hydraulic shop in your area they can make you new lines with whatever ends and fittings you need, or cut old fittings off and install new conversion fittings. Cheap peace of mind. If I'd have had to modify high pressure lines, I would rather have a pro do the work on them.
I agree. I would much rather pay the price for pro lines than risk failure on a trip. It's all about peace of mind. I was actually just wondering how he did it. I guess he just flared them like brake lines, and used appropriate fittings. I'm waiting for S.duty lines to arrive. They 'should' be bolt in. I'm also debating whether to go ahead and spend an extra $100 for a rebuilt unit, instead of just popping in the j.yard one, not knowing how many miles are left on it. I'm leaning toward the $100 insurance policy.

I also noticed that some guys doing the h.b. swap, who are running discs all around, are using the mastr from a 1980 corvette with 4 discs. It has equal reservoirs, and is only $20 rebuilt. I like that $20 part.
 
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Old Nov 23, 2010 | 01:00 PM
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What side do the lines.fittings thread into on the corvette master?

It was brought up earlier in the thread that my superduty booster has the fittings on the opposite side as stock (inside vs. outside). For my this is fine. Here's why it's actually better for me on the crew cab...

The picture makes it look like there is more room than there actually is.
 
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Old Nov 23, 2010 | 02:33 PM
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Driver's side. I've been looking at the 2000 S.duty master, 1 3/8" piston, made for all disc system, large reservoirs...$60 bucks rebuilt.
 
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Old Nov 23, 2010 | 03:45 PM
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For a disc/drum on the astro HB, use a 79 camaro MC. There are 3 ways to do the pump. You can T into the return line for the steering box with the return from the HB, you can use a dual return saginaw, or you can use the dual return ford pump from an 87 or so lincoln mark vii
 
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Old Nov 23, 2010 | 04:47 PM
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Originally Posted by RustyShackelford
For a disc/drum on the astro HB, use a 79 camaro MC. There are 3 ways to do the pump. You can T into the return line for the steering box with the return from the HB, you can use a dual return saginaw, or you can use the dual return ford pump from an 87 or so lincoln mark vii
Thanks. But I have 4X disc. I believe I'll go with the 2000 F450 S.duty master. It was designed for a heavy truck with 4x disc.
 
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Old Nov 24, 2010 | 12:25 AM
  #27  
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unless you want it cobbled together, use a GM master cylinder on the GM HB unit. Use a 77 or so corvette MC.
 
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Old Nov 24, 2010 | 02:48 AM
  #28  
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if the things bolt together I'm not sure how that is "cobbling" them together...
 
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Old Nov 24, 2010 | 10:44 AM
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Originally Posted by RustyShackelford
unless you want it cobbled together, use a GM master cylinder on the GM HB unit. Use a 77 or so corvette MC.
The hydroboost unit is made by Bendix, the same co. that sells master cylinders to several manufacturers. Bendix makes boosters for Chevy and Ford. If a part works, I use it. A part does not have a soul, and does not know/care where it came from. Every vehicle is jumble of parts: saginaw p/s pump, bendix brakes, German ZF trans., dana rear ends, etc., etc. If a part works and improves my truck, I am happy to use it in any combination that suits me.
 
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Old Nov 24, 2010 | 12:00 PM
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Originally Posted by ChaseTruck754
What side do the lines.fittings thread into on the corvette master?

It was brought up earlier in the thread that my superduty booster has the fittings on the opposite side as stock (inside vs. outside). For my this is fine. Here's why it's actually better for me on the crew cab...

The picture makes it look like there is more room than there actually is.
Wow, nice nice stuff! I like it.
 
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