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Old 09-04-2014, 10:15 AM   #1
diesel_importer
 
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Sourcing Hobbs switch

I've been trying to find an adjustable Hobbs switch (boost activated). They are harder to find than I though. Most of them are out of stock. I'd like it to be around 15-20 psi range. I'm sure there are more out there, just can't seem to locate it.
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01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
 
Old 09-04-2014, 10:38 AM   #2
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I use a nason brand part#cj-2a3-85g/wl. The range is 20 to 120 psi. Very clean on and off function.
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Old 09-04-2014, 04:57 PM   #3
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Ive got piles on the shelf at work. They are used for oil pressure switch on many thermo king units. I used them for water injection before work great.
 
Old 09-04-2014, 08:47 PM   #4
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My problem is finding them that are normally open, closing around 20 psi.
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01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
 
Old 09-04-2014, 08:56 PM   #5
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Crackerman.. help Bret out?
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Old 09-04-2014, 08:57 PM   #6
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I think I got mine off ebay. I will double check and post the part number when I get to the shop.
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96 12v 4x4 RC, BILLET In/out, race vb, BIC OFV, 5x16s 62/65/14 over s475 , 9mm dv, 17*, true-track , 3.55s, Lowered on 420s
 
Old 09-04-2014, 08:58 PM   #7
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When do you need one by? I have a few.
 
Old 09-04-2014, 08:59 PM   #8
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Ill get a brand name off mine tmrw when i get home.. Mines 0-150 psi iirc
 
Old 09-04-2014, 09:05 PM   #9
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Of course mine could be some CHINA junk I guess we will find out tomorrow when I get the P/N
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Last edited by Gasoline Sucks; 09-04-2014 at 09:06 PM.
 
Old 09-04-2014, 09:32 PM   #10
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Thanks guys. I checked out the one Ponci posted. It doesn't have much info, but looks like what I need. I don't have to get it super quick. cracker, are yours adjustable?
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01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
 
Old 09-04-2014, 09:43 PM   #11
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Yes they are. He can ship to you or we can carry to finals... Or Sunday afternoon I will be driving to Houston we can meet up on45 somewhere..
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Old 09-04-2014, 09:58 PM   #12
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Ok, whatever is easiest. I got drugs on the way for my truck, wanna make sure it doesn't kick in too soon.
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01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
 
Old 09-04-2014, 11:56 PM   #13
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Yeah, riv can carry one down. You will need to hook it up to air to set to the psi you need. It is set pretty low now. Like 2 psi. But goes way higher.
 
Old 09-05-2014, 06:48 AM   #14
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That's awesome! Brandon, sending you my number , now.
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01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
 
Old 09-05-2014, 07:20 AM   #15
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im going to be putting mine on the laughing gas after the finals and i was also looking at the hobbs switch my question is what pressure are yall setting the switch at and how much would you sell me one for crackerman?
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Old 09-05-2014, 08:09 AM   #16
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I'm thinking around 20 psi, but I'll just have to play with it to see.
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01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
 
Old 09-05-2014, 08:53 AM   #17
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would you put the switch in the intake horn next to the nitrous line?
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05ccsb smarty tnt/ some tranny work/ 50 hp nozzles
99 eclb dually 100 hp sticks edge drag comp 62/68/13 turbo 4x4 6speed on 35's (haul truck)
95 eclb dually with unknown go fast parts 4x4 5speed on 35's future sled truck
 
Old 09-05-2014, 09:37 AM   #18
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haven't decided yet. I'm going to tube it in, and mount on the firewall somewhere. I've heard some don't like the vibration & heat. I'm putting nitrous jet in the intake horn though.
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01 QCSB 2WD AUTO: Redline/Smarty, Monster VP, 6x.013, S467 FMW, Goerend Trans, Caltracs.
Fuel only - 11.85 @ 114, 50 Shot - 11.58 @ 116 w/ 1.69 60'
 
Old 09-05-2014, 11:22 AM   #19
Suicide diesel
 
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do you think if i just tee'd into my boost gauge line it would work that way i dont have to take up another spot on the intake horn and what your talking about doing is what i was planning on too
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05ccsb smarty tnt/ some tranny work/ 50 hp nozzles
99 eclb dually 100 hp sticks edge drag comp 62/68/13 turbo 4x4 6speed on 35's (haul truck)
95 eclb dually with unknown go fast parts 4x4 5speed on 35's future sled truck
 
Old 09-05-2014, 11:26 AM   #20
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Quote:
Originally Posted by Suicide diesel View Post
do you think if i just tee'd into my boost gauge line it would work that way i dont have to take up another spot on the intake horn and what your talking about doing is what i was planning on too

That should work fine..
 
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