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Re: Fuel system return line location [Re: Al_Alguire] #3062206
07/24/22 08:11 PM
07/24/22 08:11 PM
Joined: Jan 2003
Posts: 30,947
Oregon
A
AndyF Offline
I Win
AndyF  Offline
I Win
A

Joined: Jan 2003
Posts: 30,947
Oregon
Originally Posted by Al_Alguire
FWIW I tried a return system on my street car, ie pump gas car thats not used alot. After having to replace the return line for what would have been the third time, in 8 years I decided to NOT use the return regulator and line(mounted near carb) and just use the pump bypass. No ill affects, no issues in traffic in Vegas heat and no difference at the track, been like this for 14 years. Pump has been in the car for 22 years....Never had to touch it.


Yeah I ran an old system in my Coronet like that for the first 20 years I owned the car. A couple of Holley pumps located by the rear bumper with no regulator and a long line up to the carb. Worked fine for 20 years of street driving and street racing.

Re: Fuel system return line location [Re: AndyF] #3062279
07/25/22 02:35 AM
07/25/22 02:35 AM
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
C
Cab_Burge Online work
I Win
Cab_Burge  Online Work
I Win
C

Joined: Aug 2003
Posts: 43,007
Bend,OR USA
I 'm a firm believer in all return lines for gasoline should enter from the bottom of the tank or cell, not spray through the air into the tanks or cells from the top or sides tsk twocents


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Fuel system return line location [Re: Cab_Burge] #3062294
07/25/22 07:08 AM
07/25/22 07:08 AM
Joined: Jan 2003
Posts: 2,902
A shed in England
Tig Offline
master
Tig  Offline
master

Joined: Jan 2003
Posts: 2,902
A shed in England
We've been using the pump return style method for 20+ yrs, since the last 3 pumps we've had it was built in. Never an issue but I'm thinking of using one of these for added street duty reliability, but to be honest it might be overkill shruggy
https://aeromotiveinc.com/product/billet-fuel-pump-speed-controller/


'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
Re: Fuel system return line location [Re: Tig] #3062298
07/25/22 07:47 AM
07/25/22 07:47 AM
Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
an8sec70cuda Offline
I Live Here
an8sec70cuda  Offline
I Live Here

Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
I've had the return system on my car for 12 years now w/ no problems. twocents


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: Fuel system return line location [Re: an8sec70cuda] #3094135
11/14/22 01:36 PM
11/14/22 01:36 PM
Joined: Dec 2021
Posts: 1,072
Loudoun County, VA
Brad_Haak Offline OP
super stock
Brad_Haak  Offline OP
super stock

Joined: Dec 2021
Posts: 1,072
Loudoun County, VA
I'll be putting the MoPig back into service w/ the dead-head setup, but just received a new 1/2" fuel pickup w/ #8 inlet & return lines, plus a new dual-mode (dead-head or bypass) regulator from Robb Mc Performance, for when I'm ready to change to a return-line configuration. scope

Not sure how they look in the pics, but in person these parts are drool

20221114_122258.jpg20221114_122325.jpg20221114_122530.jpg
Last edited by Brad_Haak; 11/14/22 01:42 PM.

2021 Challenger 6.4L Scat Pack 1320 (2022)
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
wheels, tires, air filter: 1.714, 11.833 at 115.80 (DA 310 ft)

1973 Challenger 452 ci street/strip (2008)
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
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