Re: Return line fuel system?
[Re: MR_P_BODY]
#1540698
11/28/13 12:26 AM
11/28/13 12:26 AM
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Joined: Sep 2009
Posts: 928 NC
SLOW67
OP
super stock
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OP
super stock
Joined: Sep 2009
Posts: 928
NC
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Quote:
Your gonna do what you want... but in my opinion a return is a much better set up.. but what do I know.. I didnt stay in a Holiday Inn.. but I did work in the fuel lab for 30+ years... when we started with perf or injected we ran a return line... some time later we dropped it... for 1 reason.. repeat.. 1 reason ONLY and that was cost... but the company will do anything to cut cost... but I also understand a budget... but also sometimes you need to save a bit more before you jump........... JMO
I'm going to rerun the return
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Re: Return line fuel system?
[Re: SLOW67]
#1540699
11/28/13 12:29 AM
11/28/13 12:29 AM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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Quote:
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In a returnless system I understand that fuel is warmer when it gets to the carb as opposed to a return system. My question is how much of a difference does it really make? I am preparing to make my fuel system NHRA approved and I can save alot of money putting my reg. in the trunk with the pump and tank and just running my low pressure side to the front of the car. Will there really be that much of a difference on a street/strip car?
This is at least the 2nd time in two post that you used the terms "cheap" and sometimes it works but generally it doesn`t........just check out past posts about dampners, heads pumps etc. Don`t cheap out on the fuel system or it will bite you in the azz............
I understand what your saying, but I don't have much if any of a budget sometimes and I've literally built this car myself with the cheapest speed parts I can find and none have let me down yet. In over 2 years I've put close to 20k miles on this setup that was built entirely from chinese ebay parts and the only part to let me down has been the head gaskets, one of which was the original from 1976.
I like the idea of running one less line to the front for two reasons, one CHEAP and two, anywhere I can simplify or make a system more modular I will do it. If I only have one line to the front of the car it will make it so my pump, reg., and tank are all in one place. Easier to start looking for problems if one arose, and makes for a simple install.
I get it............I`m not money bags like some either cos if I was I`d be driving an 8-second car and have the best of everything however, I buy good stuff when I can and wait if I can`t. Some people actually brag about e-bag stuff, chinese this and that and if that`s your gig go for it.
Last edited by Thumperdart; 11/28/13 02:07 AM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: Return line fuel system?
[Re: Thumperdart]
#1540701
11/28/13 12:47 AM
11/28/13 12:47 AM
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Joined: Oct 2007
Posts: 485 Raleigh, NC
j.mcconnell
mopar
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mopar
Joined: Oct 2007
Posts: 485
Raleigh, NC
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Quote:
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In a returnless system I understand that fuel is warmer when it gets to the carb as opposed to a return system. My question is how much of a difference does it really make? I am preparing to make my fuel system NHRA approved and I can save alot of money putting my reg. in the trunk with the pump and tank and just running my low pressure side to the front of the car. Will there really be that much of a difference on a street/strip car?
This is at least the 2nd time in two post that you used the terms "cheap" and sometimes it works but generally it doesn`t........just check out past posts about dampners, heads pumps etc. Don`t cheap out on the fuel system or it will bite you in the azz............
I understand what your saying, but I don't have much if any of a budget sometimes and I've literally built this car myself with the cheapest speed parts I can find and none have let me down yet. In over 2 years I've put close to 20k miles on this setup that was built entirely from chinese ebay parts and the only part to let me down has been the head gaskets, one of which was the original from 1976.
I like the idea of running one less line to the front for two reasons, one CHEAP and two, anywhere I can simplify or make a system more modular I will do it. If I only have one line to the front of the car it will make it so my pump, reg., and tank are all in one place. Easier to start looking for problems if one arose, and makes for a simple install.
I get it............I`m not money bags like some either cos if I was I`d be driving an 8-second car and have the best of everything however, I but good stuff when I can and wait if I can`t. Some people actually brag about e-bag stuff, chinese this and that and if that`s your gig go for it.
Thumper, when he's running 10s with $1000 in china-bay and junkyard parts while cruising down the street at 2500 rpm or less, you may rethink all the "good stuff" in your big block
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Re: Return line fuel system?
[Re: j.mcconnell]
#1540704
11/28/13 02:03 AM
11/28/13 02:03 AM
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Joined: Sep 2009
Posts: 928 NC
SLOW67
OP
super stock
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OP
super stock
Joined: Sep 2009
Posts: 928
NC
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Quote:
Quote:
Quote:
Quote:
Quote:
In a returnless system I understand that fuel is warmer when it gets to the carb as opposed to a return system. My question is how much of a difference does it really make? I am preparing to make my fuel system NHRA approved and I can save alot of money putting my reg. in the trunk with the pump and tank and just running my low pressure side to the front of the car. Will there really be that much of a difference on a street/strip car?
This is at least the 2nd time in two post that you used the terms "cheap" and sometimes it works but generally it doesn`t........just check out past posts about dampners, heads pumps etc. Don`t cheap out on the fuel system or it will bite you in the azz............
I understand what your saying, but I don't have much if any of a budget sometimes and I've literally built this car myself with the cheapest speed parts I can find and none have let me down yet. In over 2 years I've put close to 20k miles on this setup that was built entirely from chinese ebay parts and the only part to let me down has been the head gaskets, one of which was the original from 1976.
I like the idea of running one less line to the front for two reasons, one CHEAP and two, anywhere I can simplify or make a system more modular I will do it. If I only have one line to the front of the car it will make it so my pump, reg., and tank are all in one place. Easier to start looking for problems if one arose, and makes for a simple install.
I get it............I`m not money bags like some either cos if I was I`d be driving an 8-second car and have the best of everything however, I but good stuff when I can and wait if I can`t. Some people actually brag about e-bag stuff, chinese this and that and if that`s your gig go for it.
Thumper, when he's running 10s with $1000 in china-bay and junkyard parts while cruising down the street at 2500 rpm or less, you may rethink all the "good stuff" in your big block
When I get the 360 in and can afford a good converter it should be running high 10's My last track pass was a 7.82 at 96 in the 1/8th. My 60' is terrible but my N20 kit should fix that when I get it wired finally. Keep in mind this is with a BONE STOCK 76 318. It gets right at 16mpg on the way to cruise-ins and will run on 87 octane if I turn the boost down and the timing back Ebay parts are the only way I could afford to make any power. I've got less in my whole turbo setup, fuel system and electronics than it would have cost me to build a 450hp 360. The only thing I spent good money on was the rearend it has Dr. Diff axles
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Re: Return line fuel system?
[Re: SLOW67]
#1540705
11/28/13 02:44 AM
11/28/13 02:44 AM
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Joined: Jan 2004
Posts: 13,247 Mt. Vernon, Ohio
dartman366
I Live Here
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I Live Here
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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I have been running a by-pass system for quite a number years now and it has worked flawless.....till I switched to E-85 this summer and installed a new Mallory comp 250 pump as opposed to the comp 140 that I had run before, now I cannot get the fuel pressure low enough so I am installing a new -10an return line and fittings as the -08an isn't big enough and creates a restriction,,I also run a fuel log right on the carb and run the supply line right to it so the carb gets full volume, then a line to the regulator then use the regulater to bleed off unneeded fuel back to the cell. works great and the pump doesnt strain and runs much quieter and cooler.
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: Return line fuel system?
[Re: dartman366]
#1540706
11/28/13 11:04 AM
11/28/13 11:04 AM
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Joined: Feb 2003
Posts: 1,942 Metro Detroit
OUTLAWD
top fuel
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top fuel
Joined: Feb 2003
Posts: 1,942
Metro Detroit
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I ran my feed/return with 1/2 ss hardline. Ended up being less than $2/ft IIRC. Some swagelok type fittings from McMaster, a borrowed tubing bender, and a satuday was all I needed. All those an fittings add up quickly though!
Faster, Faster until the thrill of speed overcomes the fear of death...
71 Swinger - slowly collecting dust/parts 66 Belv. II - just a streetcar 88 Mustang - turbo LS beater
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Re: Return line fuel system?
[Re: j.mcconnell]
#1540707
11/28/13 01:36 PM
11/28/13 01:36 PM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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Quote:
Quote:
Quote:
Quote:
Quote:
In a returnless system I understand that fuel is warmer when it gets to the carb as opposed to a return system. My question is how much of a difference does it really make? I am preparing to make my fuel system NHRA approved and I can save alot of money putting my reg. in the trunk with the pump and tank and just running my low pressure side to the front of the car. Will there really be that much of a difference on a street/strip car?
This is at least the 2nd time in two post that you used the terms "cheap" and sometimes it works but generally it doesn`t........just check out past posts about dampners, heads pumps etc. Don`t cheap out on the fuel system or it will bite you in the azz............
I understand what your saying, but I don't have much if any of a budget sometimes and I've literally built this car myself with the cheapest speed parts I can find and none have let me down yet. In over 2 years I've put close to 20k miles on this setup that was built entirely from chinese ebay parts and the only part to let me down has been the head gaskets, one of which was the original from 1976.
I like the idea of running one less line to the front for two reasons, one CHEAP and two, anywhere I can simplify or make a system more modular I will do it. If I only have one line to the front of the car it will make it so my pump, reg., and tank are all in one place. Easier to start looking for problems if one arose, and makes for a simple install.
I get it............I`m not money bags like some either cos if I was I`d be driving an 8-second car and have the best of everything however, I but good stuff when I can and wait if I can`t. Some people actually brag about e-bag stuff, chinese this and that and if that`s your gig go for it.
Thumper, when he's running 10s with $1000 in china-bay and junkyard parts while cruising down the street at 2500 rpm or less, you may rethink all the "good stuff" in your big block
Doubt it..............plus 9`s are WAY more fun than 10`s but thankxxx 4 ur concern..........
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: Return line fuel system?
[Re: Thumperdart]
#1540713
11/28/13 04:57 PM
11/28/13 04:57 PM
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Joined: Jan 2003
Posts: 32,394
Quicktree
I Win
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I Win
Joined: Jan 2003
Posts: 32,394
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what are you guys running for the return line going into the fuel cell?
Number 8.............
I meant is there some kind of tube going in the cell or just dumping it back in from the top. my arrow just dumps it back in.
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Re: Return line fuel system?
[Re: Chris2581]
#1540714
11/28/13 04:59 PM
11/28/13 04:59 PM
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Joined: Jan 2004
Posts: 8,299 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,299
fredericksburg,va
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I used the Morroso bleed off regulator. The reg. was set at 8# and excess fuel bled back to tank with no restriction to the carbs since they fed directly from pump. At idle alot of bleed off, full throttle none. Worked great I'll use it again on my next car.
Have a part number for this? Or is it the Moroso fuel pressure log?
I think it's the fuel log, been about 8 years, worked well, 5.60- 125 in the eighth mile
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Re: Return line fuel system?
[Re: MR_P_BODY]
#1540717
11/28/13 06:13 PM
11/28/13 06:13 PM
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Joined: Oct 2004
Posts: 8,165 Left Coast
BobR
master
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master
Joined: Oct 2004
Posts: 8,165
Left Coast
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Quote:
Thumper, when he's running 10s with $1000 in china-bay and junkyard parts while cruising down the street at 2500 rpm or less, you may rethink all the "good stuff" in your big block
I'll take my chances with better quality parts... I tend to buy American made stuff if at all possible but thats me... I dont care if I have to save a bit longer to get them.. or maybe I have to do a extra side job to cover it
Moparts is the epitome of "budget" parts. Not everyone but quite a few. I buy nothing but the best. My life is worth that to me.
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