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Those with meth injection, how do you set pump pressure? (video inside)

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Old 02-13-2012, 01:08 PM
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Default Those with meth injection, how do you set pump pressure? (video inside)
I am using the Shurflow pump w/alcohol injection systems parts. Using a single 14gal/hr nozzle. I know the pump comes pre-set at 60psi, but have heard many people run them higher (they are adjustable).

How high does everyone run them and how can you measure the pressure?

Here is what my flow looks like with the nozzle removed, should I increase the pump pressure?

[youtube]2Jf5JSwvKBM[/youtube]
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Old 02-13-2012, 01:18 PM
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(re-read that and just to clarify, the nozzle is removed from the charge pipe (so you can see the flow), but is still in the line (obviously)
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Old 02-13-2012, 02:36 PM
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I turned the screw all the way in then back mine off 1/4 turn. with the nozzel removed it really wont make any pressure as the pump isnt seeing any restriction.
put the nozzle back in then try it, then turn it up to see visual increase with the same nozzle
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Old 02-13-2012, 03:03 PM
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Originally Posted by 9sectruck
I turned the screw all the way in then back mine off 1/4 turn. with the nozzel removed it really wont make any pressure as the pump isnt seeing any restriction.
put the nozzle back in then try it, then turn it up to see visual increase with the same nozzle
that is with the nozzle in, it is just removed from the charge pipe
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Old 02-13-2012, 04:09 PM
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oooo that thing should be a mist not a streem.
what size is the nozzle?
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Old 02-13-2012, 04:11 PM
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here what it should look like
http://www.youtube.com/watch?v=Oso7ffRMPDQ
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Old 02-13-2012, 04:14 PM
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thats what i figured, it's a 14gal/hr nozzle
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Old 02-13-2012, 04:16 PM
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My alky injection system is set at 200 psi.
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Old 02-13-2012, 04:19 PM
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the guts in the nozzle are missing or you have a 200gph nozzle
its not the pump theres a problem with your nozzle as the flow is there just nothing to restrict the pump to build pressure
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Old 02-13-2012, 04:34 PM
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the pump is at the factory 60psi currently, i'll double check the nozzle, but it was definitely there.
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Old 02-13-2012, 04:45 PM
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errr...i can't believe i am going to admit this, but upon looking at the pictures again it seems i have the nozzle in backwards ::doh::

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Old 02-13-2012, 05:09 PM
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Lol!!!!!!!!
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Old 02-13-2012, 05:19 PM
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one of those days...i'll update with a hopefully improved nozzle pattern tomorrow

on a side note, you recommend cranking the shurflo all the way up?
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Old 02-13-2012, 05:22 PM
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happens to the best of us...
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Old 02-13-2012, 06:02 PM
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So on that note, now that I tore my meth kit all apart I can't remember what way it goes!!! HAHA. Steel screen into pipe or into nozzle body?
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Old 02-13-2012, 07:01 PM
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[youtube]mIRnmw6fRwQ[/youtube]
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Old 02-13-2012, 07:50 PM
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that looks alot better.....
filter goes in the nozzle part not the charge pipe
I would never turn up any thing to 100% duty cycle
I would see what the iat are doing and start turning up from there, if the iat are in check leave it alone
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Old 02-13-2012, 08:34 PM
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Originally Posted by 9sectruck
that looks alot better.....
filter goes in the nozzle part not the charge pipe
I would never turn up any thing to 100% duty cycle
I would see what the iat are doing and start turning up from there, if the iat are in check leave it alone
how many turns out do you have yours?
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Old 02-13-2012, 08:50 PM
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new vid looks tons better. thanks for posting . im going with that same pump
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Old 02-13-2012, 11:46 PM
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Originally Posted by dville_gt
errr...i can't believe i am going to admit this, but upon looking at the pictures again it seems i have the nozzle in backwards ::doh::

i wouldnt admit that haha glad you got it shorted
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