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Aeromotive belt pump with alcohol, question
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DRR Pro
posted
We won't have any test and tune day so I hope we can come close with your help.
Here it is.
typical rear engine dragster.
565...blah blah blah.
new 1250 Rupert alky carb.
#12 hose from fuel cell to Aeromotive belt drive pump.
#10 from pump to fuel log.
#10 return from bypass regulator to fuel cell.

Idle pressure with gas is 3.5 and 6.5 wide open.
George wants 9.5 lbs as soon as I can give it to it.
Think the Aeromotive bypass will do that?
Would going to a #8 return help if it doesn't?

Only have two time runs to get the pressure right. Any prior experience with this pump would be great.

Thanks!

Jok


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Posts: 1217 | Location: Janesville, IA | Registered: December 21, 2004Reply With QuoteReport This Post
DRR Top Comp
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Need to know what type regulator you have but most likely there is a spring pressure that increases the fuel pressure. That spring pressure may be increased by screwing it in some or shimmed.


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Posts: 3972 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Sportsman
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Jok, The way we set the fuel pressure with our similar APD setup is to put someone in the car and set the trans brake and get the rpm up on the 2 step and set it to 9 1/2- 10 psi. Hope this helps. Kevin
 
Posts: 194 | Location: Corunna, Ontario, Canada | Registered: September 30, 2001Reply With QuoteReport This Post
DRR Trophy
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I have used the same procedure as the undertaker only I pulled chip out of two step
 
Posts: 65 | Location: central indiana | Registered: May 16, 2016Reply With QuoteReport This Post
DRR Pro
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the areomotive pump and reg combo should get the pressure up fairly quick.its not like some other brands.i think its the best acting regulator out there


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Posts: 1390 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
DRR S/Pro
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set it at 9lbs at 5000 RPM and don't care where it falls at idle.


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Posts: 2497 | Location: Gilmer, Texas | Registered: June 25, 2002Reply With QuoteReport This Post
DRR Pro
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Thanks guys, that was the plan just wanted to save a wasted step if the lines were too big but 5000RPM should do it.

Good luck at the races!
Jok


www.trailertoad.com designed by racers for racers.

 
Posts: 1217 | Location: Janesville, IA | Registered: December 21, 2004Reply With QuoteReport This Post



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