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Re: Fuel bypass regulator... before or after [Re: Cab_Burge] #2779233
05/28/20 07:59 PM
05/28/20 07:59 PM
Joined: Mar 2006
Posts: 1,229
In The Hills
J
jughed Offline
pro stock
jughed  Offline
pro stock
J

Joined: Mar 2006
Posts: 1,229
In The Hills
Not to hijack the thread, but I have a 4-port dual carb. regulator...How would I plumb in a return line with this regulator? I have ran it as is with 2 ports plugged.I want to switch to e85 and would like to have a return line. The internals have already been changed to run e85, but if i need a different regulator, so be it.

IMG_20200528_181356579.jpgIMG_20200528_181413989.jpg


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Re: Fuel bypass regulator... before or after [Re: jughed] #2779245
05/28/20 08:25 PM
05/28/20 08:25 PM
Joined: Dec 2003
Posts: 22,696
Bitopia
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jcc Offline
If you can't dazzle em with diamonds..
jcc  Offline
If you can't dazzle em with diamonds..
J

Joined: Dec 2003
Posts: 22,696
Bitopia
So for the regulator after the feed thinkers, the question remaining, put the regulator up by the engine with a low pressure long return, or back with the fuel cell and a short return?


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: Fuel bypass regulator... before or after [Re: jughed] #2779246
05/28/20 08:28 PM
05/28/20 08:28 PM
Joined: Dec 2004
Posts: 10,552
Rittman Ohio
fourgearsavoy Offline
I Live Here
fourgearsavoy  Offline
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Posts: 10,552
Rittman Ohio
That looks like a deadhead regulator without a return port to me twocents

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Re: Fuel bypass regulator... before or after [Re: jcc] #2779253
05/28/20 08:40 PM
05/28/20 08:40 PM
Joined: Jan 2003
Posts: 31,021
Oregon
A
AndyF Offline
I Win
AndyF  Offline
I Win
A

Joined: Jan 2003
Posts: 31,021
Oregon
Originally Posted by jcc
So for the regulator after the feed thinkers, the question remaining, put the regulator up by the engine with a low pressure long return, or back with the fuel cell and a short return?


For EFI I'd put the regulator next to the fuel cell and just feed a high pressure line to the front. Not so sure I'd do that with a low pressure line though. Too many variables at play when you only have 5 or 6 psi. When you have 60 psi a long dead head stretch from the rear to the front doesn't seem to matter.

Re: Fuel bypass regulator... before or after [Re: jughed] #2779254
05/28/20 08:42 PM
05/28/20 08:42 PM
Joined: Jan 2003
Posts: 31,021
Oregon
A
AndyF Offline
I Win
AndyF  Offline
I Win
A

Joined: Jan 2003
Posts: 31,021
Oregon
Originally Posted by jughed
Not to hijack the thread, but I have a 4-port dual carb. regulator...How would I plumb in a return line with this regulator? I have ran it as is with 2 ports plugged.I want to switch to e85 and would like to have a return line. The internals have already been changed to run e85, but if i need a different regulator, so be it.


Check with the mfg. If the black fitting is the inlet then it looks like you just have four outlets and no return line but maybe there is something else going on that I don't see.

Re: Fuel bypass regulator... before or after [Re: AndyF] #2779262
05/28/20 09:01 PM
05/28/20 09:01 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
I'm thinking that the silver can is a pulse dampener so if its like 3/8 or bigger you might use that for
a return but check with the company
wave

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