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need quick fix...two things see pics.. meth injection

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Old Nov 18, 2009 | 01:26 PM
  #16  
SnowTech's Avatar
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From: Colorado
Originally Posted by 1fastevo99
lol snowtech maybe you're new at snow but you guys used to use an ag pump with viton seals. in fact, the really old school kits needed check valves because the old shurflo pumps didn't have the built in check valve function that they do know. i also remember the first snow kit i worked with had a blue controller and used compression fittings instead of the john guest type.

anyways, you may not use shurflo at all now but to say you never used a plain-jane shurflo pump is a flat out lie.

I have been here for awhile now and I have seen the old blue controllers, but that was indeed well before my time. The pump in this thread looks like the units that were phased out right as I was coming in, and they used sanoprene diaphrams, not sure on the seals. That model pump used EPDM either during the whole run or most of it, and the gen after did too as do the new ones.
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Old Nov 18, 2009 | 03:44 PM
  #17  
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From: so cal
find one of those old pumps and open it up. they'll have white viton valves. open up a newer pump and it'll have black epdm valves. big difference.
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Old Dec 5, 2009 | 09:23 PM
  #18  
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From: Rockford, IL
Originally Posted by SnowTech
Just to clairify....

We never used a plain-jane Shurflo, we used them with EPDM seals and other modifications. Having said that, the new SHO pump is superior. Being that he is an existing customer, we also help him out that regard even if the system is extremely old.

Come to think of it, I think we may have already handled this one.
You should check your invoices before you make such statements. major pump failures when people started running 100% methanol prompted the change over to EPDM pumps. Taking one apart shows they were plain jane shurflos.

I like your new SHO pump, same pump we started using over a year and a half ago.
we have some of the blue controllers if anyone would like one, also have some of the original VC-25s that were in a plastic box with a flip up lid

Last edited by Labonte MotorSports; Dec 5, 2009 at 09:25 PM. Reason: typo
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Old Dec 9, 2009 | 10:33 AM
  #19  
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From: so cal
ho for sho.
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