Pulsator Questions
Thread Starter
Drifting
Joined: Sep 2000
Posts: 1,985
Likes: 78
From: SoCal.
Pulsator Questions
Pulsator Questions
Not sure where to post this question. I have a C5 fuel rail and it has a pulsator on it. I also have a C6 Z06 rail than I want to install on our C5 but there is no pulsator on it.
How or where has GM dampened the fuel pump pulses on the new Vettes?
Is there an aftermarket resource for installing a pulsator off of the fuel rail for our C5?
When you go to aftermarket fuel rails on LS-1 motors what happens to the pulsator, the trash can, just ignored?
Thanks, George
Not sure where to post this question. I have a C5 fuel rail and it has a pulsator on it. I also have a C6 Z06 rail than I want to install on our C5 but there is no pulsator on it.
How or where has GM dampened the fuel pump pulses on the new Vettes?
Is there an aftermarket resource for installing a pulsator off of the fuel rail for our C5?
When you go to aftermarket fuel rails on LS-1 motors what happens to the pulsator, the trash can, just ignored?
Thanks, George
Thread Starter
Drifting
Joined: Sep 2000
Posts: 1,985
Likes: 78
From: SoCal.
Not one for posting pics.
Where the flex fuel line comes off of the fire wall it goes under the Tupperware and into the fuel rails. Just before the crossover pipe and above the manafold is a cylindrical object. This is the fuel pulse damper on a C5 LS1. It is not on a C6 Z06.
Just trying to understand.
Thanks, George
Where the flex fuel line comes off of the fire wall it goes under the Tupperware and into the fuel rails. Just before the crossover pipe and above the manafold is a cylindrical object. This is the fuel pulse damper on a C5 LS1. It is not on a C6 Z06.
Just trying to understand.
Thanks, George
Race Director
Joined: Sep 1999
Posts: 12,438
Likes: 919
From: CONCORD NC
if you're talking about the black cylinder shower here, right where the fuel comes in, that's the pressure regulator. In the newer cars, the regulator is in the back of the car, built into the fuel filter.
Thread Starter
Drifting
Joined: Sep 2000
Posts: 1,985
Likes: 78
From: SoCal.
David, (I looked at your profile)
Thanks for posting the photo, you just had one lying around?
From the ’99 Service Manual the Pressure Regulator is also together with the Fuel Filter mounted at the back of the car.
The “thing” in the photo on the rail is like a second regulator and from what I understand it is to dampen out the pulses of pressure created by the fuel pump. Something the Pressure Regulator is not doing.
Now maybe the answer to my question is that the design of the Fuel Pump or Pressure Regulator in the new cars is different such that the “thing” is no longer needed.
George
Thanks for posting the photo, you just had one lying around?
From the ’99 Service Manual the Pressure Regulator is also together with the Fuel Filter mounted at the back of the car.
The “thing” in the photo on the rail is like a second regulator and from what I understand it is to dampen out the pulses of pressure created by the fuel pump. Something the Pressure Regulator is not doing.
Now maybe the answer to my question is that the design of the Fuel Pump or Pressure Regulator in the new cars is different such that the “thing” is no longer needed.
George
Last edited by 999; Dec 30, 2005 at 02:17 PM.
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