Re: Fuel system return line location
[Re: Al_Alguire]
#3062206
07/24/22 08:11 PM
07/24/22 08:11 PM
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Joined: Jan 2003
Posts: 31,203 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,203
Oregon
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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.
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Re: Fuel system return line location
[Re: Cab_Burge]
#3062294
07/25/22 07:08 AM
07/25/22 07:08 AM
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Joined: Jan 2003
Posts: 2,987 A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,987
A shed in England
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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 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
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Re: Fuel system return line location
[Re: Tig]
#3062298
07/25/22 07:47 AM
07/25/22 07:47 AM
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Joined: Jan 2003
Posts: 13,496 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,496
Marion, South Carolina [><]
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I've had the return system on my car for 12 years now w/ no problems.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 4 speed, Dana 60 '71 Demon 340, no drivetrain, on blocks behind the barn '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Fuel system return line location
[Re: an8sec70cuda]
#3094135
11/14/22 01:36 PM
11/14/22 01:36 PM
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Joined: Dec 2021
Posts: 1,326 Loudoun County, VA
Brad_Haak
OP
pro stock
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OP
pro stock
Joined: Dec 2021
Posts: 1,326
Loudoun County, VA
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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. Not sure how they look in the pics, but in person these parts are
Last edited by Brad_Haak; 11/14/22 01:42 PM.
2021 Challenger 6.4L Scat Pack 1320 100% stock: 1.680, 11.894 at 113.75 (DA 175 ft) weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 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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