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Small black Chrysler fuel pump #2070468
05/10/16 12:29 AM
05/10/16 12:29 AM
Joined: Apr 2007
Posts: 1,390
CA.
RAY1969CARS Offline OP
pro stock
RAY1969CARS  Offline OP
pro stock

Joined: Apr 2007
Posts: 1,390
CA.
Do They have a

check valve ?

Re: Small black Chrysler fuel pump [Re: RAY1969CARS] #2070527
05/10/16 01:44 AM
05/10/16 01:44 AM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
R
RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
R

Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
I would assume just a regular inlet valve and an outlet valve


live every 24 hour block of time like it's your last day on earth
Re: Small black Chrysler fuel pump [Re: RapidRobert] #2070817
05/10/16 02:57 PM
05/10/16 02:57 PM
Joined: Jan 2003
Posts: 16,376
D
dogdays Offline
I Live Here
dogdays  Offline
I Live Here
D

Joined: Jan 2003
Posts: 16,376
They have to have two check valves in order to function. These are usually just flapper valves, at least the ones I've seen.

R.

Re: Small black Chrysler fuel pump [Re: RAY1969CARS] #2071421
05/11/16 01:05 PM
05/11/16 01:05 PM
Joined: Apr 2007
Posts: 2,920
Calgary, Alberta Canada
a12rag Offline
master
a12rag  Offline
master

Joined: Apr 2007
Posts: 2,920
Calgary, Alberta Canada
If you are trying to keep fuel in the carb bowl, after the car sits for a while . . . don't bother. It is probably more to do with the ethanol blend of todays fuel ! I tried a check valve on my Duster360 - no difference. The ethanol blended fuels evaporate out of the fuel bowl so quick. Then you have to crank and crank to fill the bowl and start the car. I have found switching up to the premium fuel with NO ethanol, keeps fuel in the bowl much much longer ! Sure it is a bit more per fill up, but not having to crank the engine makes a great difference !

Cheers

Mark

Re: Small black Chrysler fuel pump [Re: RAY1969CARS] #2071699
05/11/16 09:45 PM
05/11/16 09:45 PM
Joined: Mar 2011
Posts: 1,655
Cut and Shoot, TX
kentj340 Offline
top fuel
kentj340  Offline
top fuel

Joined: Mar 2011
Posts: 1,655
Cut and Shoot, TX
My car will go 250 miles on a tank of gasoline, but it is 125 miles to the nearest pump without ethanol......


If you don't see two dolphins, you need a vacation.






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