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  #21  
Old 07-31-2011, 08:38 AM
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Are you guys planning on ******** the vacuum pump and going with an electric one to run the heater controls?
  #22  
Old 07-31-2011, 03:43 PM
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I did this mod years ago. I did a write up also. http://powerstrokenation.com/forums/...ght=hydroboost

I used all F-Superduty parts from 1997.

When I did the hydroboost conversion, I did the rear disc conversion. I never liked the feeling of the disc conversion. I went back to my original drum brakes. (For more info read here: http://powerstrokenation.com/forums/...ght=hydroboost ) I wanted to swap in the valve from the OBS master onto the F-SD master but I've got rid of the master.

If anyone is getting rid of their OBS master, could you send me the valve or master?

Thanks

Billy T.
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'97 Black F250HD SC, 3.55s, Punisher Trans, PI Converter, Dana 60 RSK w/ V & C SD springs, PIS 175/80s, T500, Cale's tunes, 910s, Smith Bros, ARPs, Fluidampr, IC, E-Fuel, 3" Plenums, CJC Traction blocks, HFHV IDM, T4/BASB, Horton, 268K
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Last edited by gnxtc2; 07-31-2011 at 03:45 PM.
  #23  
Old 07-31-2011, 03:47 PM
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Quote:
Originally Posted by Tom S View Post
Are you guys planning on ******** the vacuum pump and going with an electric one to run the heater controls?
I was looking into getting rid of the vacuum pump but decided not to. If you get rid of the vacuum pump, then you have to re-route the serpentine belt or make an idler pulley to take place of the vacuum pump. To much for me

I left the vacuum pump alone for the HVAC controls. I just carry a spare vacuum pump for the long trips.

Billy T.
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'97 Black F250HD SC, 3.55s, Punisher Trans, PI Converter, Dana 60 RSK w/ V & C SD springs, PIS 175/80s, T500, Cale's tunes, 910s, Smith Bros, ARPs, Fluidampr, IC, E-Fuel, 3" Plenums, CJC Traction blocks, HFHV IDM, T4/BASB, Horton, 268K
- 2016 F350 DRW Ultimate (stock for now )
- 1987 Buick Grand National (Staged)
- 2004 Mercury Marauder
- 1993 Geo Prizm (beater)
  #24  
Old 07-31-2011, 04:44 PM
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Quote:
Originally Posted by Tom S View Post
Are you guys planning on ******** the vacuum pump and going with an electric one to run the heater controls?
Nope I personally don't see the need to. As Billy said you need to source a new belt or install another idler pulley. Then there is the cost of a new pump, finding out where to mount it and then adding in more wiring.

I would rather investigate converting the HVAC controls to full electric and ****** the vacuum pump totally than convert to an electric vacuum pump.
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  #25  
Old 07-31-2011, 05:14 PM
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Quote:
Originally Posted by Peroni View Post
Nope I personally don't see the need to. As Billy said you need to source a new belt or install another idler pulley. Then there is the cost of a new pump, finding out where to mount it and then adding in more wiring.

I would rather investigate converting the HVAC controls to full electric and ****** the vacuum pump totally than convert to an electric vacuum pump.
You mean this:



There's a write somewhere. I think it might be on .org.

Found it: http://www.powerstroke.org/forum/94-...-your-obs.html

Billy T.
gnxtc2@aol.com
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'97 Black F250HD SC, 3.55s, Punisher Trans, PI Converter, Dana 60 RSK w/ V & C SD springs, PIS 175/80s, T500, Cale's tunes, 910s, Smith Bros, ARPs, Fluidampr, IC, E-Fuel, 3" Plenums, CJC Traction blocks, HFHV IDM, T4/BASB, Horton, 268K
- 2016 F350 DRW Ultimate (stock for now )
- 1987 Buick Grand National (Staged)
- 2004 Mercury Marauder
- 1993 Geo Prizm (beater)

Last edited by gnxtc2; 07-31-2011 at 05:27 PM.
  #26  
Old 07-31-2011, 07:31 PM
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Somebody make as nice AC ****** pulley, I have posted up the brand before but it is not coming back to me at the moment. Nice link Billy.
  #27  
Old 07-31-2011, 08:03 PM
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AC ****** Idler Pulley
(Ford) F5TE 19A216 AB F5TZ 8678 AC
(Motorcraft) YS-261
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  #28  
Old 07-31-2011, 10:59 PM
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Sounded like that guy still retained some vacuum operated parts??? Still, took a lot of research and testicular fortitude to do that one.
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  #29  
Old 08-01-2011, 09:11 AM
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Quote:
Originally Posted by Peroni View Post
Nope I personally don't see the need to. As Billy said you need to source a new belt or install another idler pulley. Then there is the cost of a new pump, finding out where to mount it and then adding in more wiring.

I would rather investigate converting the HVAC controls to full electric and ****** the vacuum pump totally than convert to an electric vacuum pump.
Actually it's not that difficult to put in an electric vac pump from a SD. It's only 2 wires - a ground and power source. I tapped into the ones that go to that vac indicator deal by the dist block on the driver's fender. Our trucks have that resevior on the side of the blower motor housing and that's all the reserve you need to run the hvac controls. Easy cheesy!!

I swapped everything over to the SD brackets, pulleys, belt, everything, so I didn't have an option for the belt driven vac pump. I like it better that way. Cleaner, 1 less belt driven pump to go bad, etc.

I'd love to do what Garrett did in that link Billy posted. Super neat!!
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  #30  
Old 08-01-2011, 02:50 PM
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Quote:
Originally Posted by Strokersace View Post
1 less belt driven pump to go bad, etc.
+1 more electric thing to go bad. It's a trade off really. Never had a problem with my mechanical vacuum pump but it can take a dump same as an electric one. My problem is where would I put an electric one given I have several other goodies taking up room under the hood. I'm going to leave things alone for now.
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97 Green F-350 XLT 7.3L PSD 4x4 CC LB BTS E40D Manual Hubs 4.10 36000 miles when purchased 4/1/06. Mods - ISSPRO Performax gauges, Tymar intake, Tymar 3x4 DP to 4" ss exhaust, custom rear disc brakes, hydroboost conversion w/ 6.0 p/s pump, electric fuel, MANN CCV filter,LPF9750 oil bypass, 6.0 fan, tru-cool 4739, Swamps 200/30 injectors, Adrenaline HPOP, BASB turbo, Fluidampr, Spearco 6.0 cac.

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