Fenda's uber garage Engine Build

***TitaniumTT*** · 03-20-2013, 07:33 AM

Kewl.... @ 3bar it should flow about 67gph and about 53gph @ 72 psi

Fendamonky · 03-30-2013, 10:04 AM

Quote:

Originally Posted by TitaniumTT

Kewl.... @ 3bar it should flow about 67gph and about 53gph @ 72 psi

So I finally got around to flow testing the fuel pump on Thursday night. Due to the fact that we ran AN lines it was actually very easy for me to extend the return line far enough to reach into the 5gal fuel can with no issues. I just picked up a male/male -6 connector and attached an extra length of hose

However... I ran into two problems. One is a simple fix, the other will require a little bit more effort.

The first problem was that I totally retarded out and forgot to have another (running) car connected to mine by way of jumper cables. Without that 14v power feed from the running car my pump took about 6 minutes to fill the 5 gallons. Easy fix is that I'll just push my car out of the garage and do it again with a car attached.

Here's the other problem I found... While doing the test I found a distinct bulge in the short length of rubber fuel hose on the feeding side.

THAT is not good. I'm debating on whether I should replace that with fresh rubber hose (we're holding off on connecting the AN line directly until we make and install the swirl pot) or use a very small but of nylon braided -6 hose that I have left over. The internal diameter of the -6 is about identical to the outer diameter of the stock lines, so I'm thinking it *should* seal tight with a worm clamp...

I'm def open to suggestions from the pro's on that though ^_^

JL1RX7 · 03-30-2013, 10:34 AM

I would replace it. You can get a rubber fuel hose from advance for pretty cheap. Cut it bring it with you get the length you need and some band clamps and call it a day.

Fendamonky · 03-30-2013, 07:55 PM

Quote:

Originally Posted by TitaniumTT

Kewl.... @ 3bar it should flow about 67gph and about 53gph @ 72 psi

Ok, so if I break the seconds down into rough fractions (30 sec = .5, 45 sec = .75) then I math (minute.fraction/5)*60 I com up with the following:

42.5/60= .7083 (rounded to .71). So the time for 43psi would be 5.71. Therefore:
(5.71/5=1.142)x60= 68.52GPH

31.5/60= .525 (rounded to .53). So the time for 70psi would be 6.53.
Therefore:
(6.53/5=1.306)x60= 78.36GPH

But.... I know that can't be right because if it were flowing a higher GPH @ higher psi than it would take less time.

Can't math =(

03-20-2013, 07:33 AM	#1
*TitaniumTT* Test Whore - Admin Join Date: Mar 2008 Location: Right Behind you son Posts: 4,581 Rep Power: 10	Kewl.... @ 3bar it should flow about 67gph and about 53gph @ 72 psi __________________ -The Angry Stig- DGRR 2009, 2011, 2012 & 2013 - Best FC DEALS GAP!! WOOHOOOO!!!!! 2015 Audi S4 - Samantha - Zero Brap S4 2004 RX8 - Jocelyn - 196rwhp, 19mpg fuel to noise converter 2000 Jeep Cherokee Sport - Wifey mobile - Now with 2.5" OME lift and 30" BFG AT KO's! So it begins 1998 Jeep Cherokee - 5 spd, 4" lift, 33" BFG's - Rotary Tow Vehicle 1988 'Vert - In progress 1988 FC Coupe - Gretchen -The attention whore BEAST! I'm a sick individual, what's wrong with you? I'm pure Evil I'm still insane, in the best possible way. I think Brian's idea of romance is using lube. Your rage caused the meteor strike in Russia. The Antichrist would be proud of his minion. You win with your thread. Most everything It's a truck with a steel gate on the back. Just a statement of fact Motec M820, AIM dash, ported 13B-RE Cosmo, 6-spd trans, 4.3 Torsen, custom twin wg fully divided mani, Custom 4" split into 2x 3" exhaust, Custom HMIC, Custom custom custom custom I like to welder stuff.... No Bolt-ons allowed. Dyno'ed @ Speed1 Tuned by me - 405rwhp on WG.... WM50 cuming soon. *-Angry Motherfcker Mode ENGAGED-**

03-30-2013, 10:34 AM	#3
JL1RX7 Rotary Fanatic Join Date: Feb 2008 Location: Front Royal, VA Posts: 487 Rep Power: 18	I would replace it. You can get a rubber fuel hose from advance for pretty cheap. Cut it bring it with you get the length you need and some band clamps and call it a day.