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Re: Sreet/strip guys...mechanical fuel pump?? [Re: Mr.Yuck] #1543433
12/05/13 10:41 AM
12/05/13 10:41 AM
Joined: Jan 2007
Posts: 1,444
NEW JERSEY
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dynamite Offline
pro stock
dynamite  Offline
pro stock
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Joined: Jan 2007
Posts: 1,444
NEW JERSEY
I run a Carter race pump ?? and use a carter back up electric boost pump at the track..and after the car sits for a month or so It's nice to pump up the fuel without cranking the motor...and it's always there if the mech pump takes a sh--..I can get home on the electric pump..

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Re: Sreet/strip guys...mechanical fuel pump?? [Re: Mopar Guy] #1543434
12/05/13 11:37 AM
12/05/13 11:37 AM
Joined: Jul 2004
Posts: 3,805
Arlington, Texas
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bobby66 Offline
master
bobby66  Offline
master
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Joined: Jul 2004
Posts: 3,805
Arlington, Texas
Quote:

CV makes a billet pump for Nascar that fits bb that i found and i gues that that would be one of the nasty once that will need a regulator but i havent tryed mine yet !




Where would I get one of these? I run the Clay Smith pump now, like to try something different in the future.

Re: Sreet/strip guys...mechanical fuel pump?? [Re: Mr.Yuck] #1543435
12/05/13 11:40 AM
12/05/13 11:40 AM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
Taking time off to work on my car
BradH  Offline
Taking time off to work on my car
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Posts: 15,439
Val-haul-ass... eventually
Quote:

In any even the carter and holley pumps will get a BB car well into the 11's w/o an issue, even w/ tiny 5/16 line.



Yep. IIRC, Dwayne Porter's 440 B-body was in the mid-to-high 10s w/ a mechanical pump and still had the OEM 5/16" line.

My only concern w/ a mechanical pump was when I was still running a Six Pack on The MoPig and had some vapor-lock problems crop up on occasion. The fuel line insulation I added to deal with the issue seemed to work, but certainly took away from the sleeper image.

Re: Sreet/strip guys...mechanical fuel pump?? [Re: Mopar Guy] #1543436
12/05/13 03:50 PM
12/05/13 03:50 PM
Joined: Jul 2012
Posts: 298
mt. pleasant, PA
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Diplomat440 Offline
enthusiast
Diplomat440  Offline
enthusiast
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Joined: Jul 2012
Posts: 298
mt. pleasant, PA
Quote:

CV makes a billet pump for Nascar that fits bb that i found and i gues that that would be one of the nasty once that will need a regulator but i havent tryed mine yet !




i picked up one of these my self awhile back and have yet to use it. any body using one of these? i may try mine on a turbo project.
[image][/image]

Re: Sreet/strip guys...mechanical fuel pump?? [Re: Diplomat440] #1543437
12/05/13 07:01 PM
12/05/13 07:01 PM
Joined: Sep 2004
Posts: 6,906
IL, Aurora
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ademon Offline
master
ademon  Offline
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Joined: Sep 2004
Posts: 6,906
IL, Aurora
There was a guy on FABO that I think worked for airtex that clames the airtex stock replacement pump will hold something like 5 psi with no drop off at hi rpms. Not sure if true but if it's a low 12 to low 11 sec car might be worth a shot, if it's starving at the big end bring it back.

Re: Sreet/strip guys...mechanical fuel pump?? [Re: ademon] #1543438
12/05/13 07:49 PM
12/05/13 07:49 PM
Joined: Jan 2004
Posts: 8,250
fredericksburg,va
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cudaman1969 Offline
master
cudaman1969  Offline
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Joined: Jan 2004
Posts: 8,250
fredericksburg,va
I think the biggest obstacle for the stock pump location by itself is over coming g-forces (the weight of the fuel) bringing it from the back, which is also the major problem for the smaller electric pumps with a big line(8-10) 3/8 line would be the max I would use. Mech and small electric pusher will work well into the lower 10s

Re: Sreet/strip guys...mechanical fuel pump?? [Re: Diplomat440] #1543439
12/06/13 10:35 AM
12/06/13 10:35 AM
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck Offline
Not enough dumb comments...yet
Mr.Yuck  Offline
Not enough dumb comments...yet

Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Quote:

Quote:

CV makes a billet pump for Nascar that fits bb that i found and i gues that that would be one of the nasty once that will need a regulator but i havent tryed mine yet !




i picked up one of these my self awhile back and have yet to use it. any body using one of these? i may try mine on a turbo project.
[image][/image]




It will work as long as you can boost reference it. I ran a hi-po carter on my old S/C'd 440. All I did was tap a small 1/4 line into the top of the pump (it's already there maybe for venting)and ran a line from the head unit to the pump.

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