All Things Mk5 > Performance Modifications
LPFP Upgrade- Facts inside
vRSAlex:
--- Quote from: Shorty on March 04, 2014, 08:50:58 am ---
--- Quote from: vRSAlex on March 04, 2014, 08:30:50 am ---I've been fitting these for well over 18 months with no issues with fuel cut (I supply the correct blank with tthe pump) and no issues with the level on Fwd cars.
Fwd do not have any issues if fitted correctly.
--- End quote ---
This was my mistake sorry Alex, I didn't fit the blank hence why I was losing pressure. School boy error.
I might buy another pump for mine, my standard pump does 4.8 bar at the top end which was surprising, on Hayden's S3 though we found a massive difference like you can see above, I think some pumps are good and some bad?
--- End quote ---
I should have said that the FWD ones have no issues with the level sensor if fitted correctly. Wasn't aiming that at anyone.
4.8 bar at the top end is good for a stock pump. Most drop off like the S3 one did. Do you know was duty cycle yours is running at?
The newest revision of stock pump is actually quite good.
Shorty:
--- Quote from: vRSAlex on March 04, 2014, 10:21:48 am ---
--- Quote from: Shorty on March 04, 2014, 08:50:58 am ---
--- Quote from: vRSAlex on March 04, 2014, 08:30:50 am ---I've been fitting these for well over 18 months with no issues with fuel cut (I supply the correct blank with tthe pump) and no issues with the level on Fwd cars.
Fwd do not have any issues if fitted correctly.
--- End quote ---
This was my mistake sorry Alex, I didn't fit the blank hence why I was losing pressure. School boy error.
I might buy another pump for mine, my standard pump does 4.8 bar at the top end which was surprising, on Hayden's S3 though we found a massive difference like you can see above, I think some pumps are good and some bad?
--- End quote ---
I should have said that the FWD ones have no issues with the level sensor if fitted correctly. Wasn't aiming that at anyone.
4.8 bar at the top end is good for a stock pump. Most drop off like the S3 one did. Do you know was duty cycle yours is running at?
The newest revision of stock pump is actually quite good.
--- End quote ---
I thought the arm hit the side of the tank when it was around the mid point? You could move the pump around but then the hoses wouldn't reach on top?
I'll log mine again later with the duty, I'd imagine it's fairly high. My pressure started off at 6 then gradually dropped off to 4.8. I'd imagine my pump would fuel enough for 400bhp?
vRSAlex:
--- Quote from: Shorty on March 04, 2014, 10:43:23 am ---
--- Quote from: vRSAlex on March 04, 2014, 10:21:48 am ---
--- Quote from: Shorty on March 04, 2014, 08:50:58 am ---
--- Quote from: vRSAlex on March 04, 2014, 08:30:50 am ---I've been fitting these for well over 18 months with no issues with fuel cut (I supply the correct blank with tthe pump) and no issues with the level on Fwd cars.
Fwd do not have any issues if fitted correctly.
--- End quote ---
This was my mistake sorry Alex, I didn't fit the blank hence why I was losing pressure. School boy error.
I might buy another pump for mine, my standard pump does 4.8 bar at the top end which was surprising, on Hayden's S3 though we found a massive difference like you can see above, I think some pumps are good and some bad?
--- End quote ---
I should have said that the FWD ones have no issues with the level sensor if fitted correctly. Wasn't aiming that at anyone.
4.8 bar at the top end is good for a stock pump. Most drop off like the S3 one did. Do you know was duty cycle yours is running at?
The newest revision of stock pump is actually quite good.
--- End quote ---
I thought the arm hit the side of the tank when it was around the mid point? You could move the pump around but then the hoses wouldn't reach on top?
I'll log mine again later with the duty, I'd imagine it's fairly high. My pressure started off at 6 then gradually dropped off to 4.8. I'd imagine my pump would fuel enough for 400bhp?
--- End quote ---
Doesn't quite touch. If you have the newer style pump, then you can use the level sensor from that.
scopes:
--- Quote from: vRSAlex on March 04, 2014, 08:30:50 am ---I've been fitting these for well over 18 months with no issues with fuel cut (I supply the correct blank with tthe pump) and no issues with the level on Fwd cars.
Fwd do not have any issues if fitted correctly.
--- End quote ---
What is the correct fitting instructions for these pumps?
H17YD_L:
I think mine dropped so much coz Nick had mapped it with the standard FPRV and I've fitted the RS4 one now so it's harder for the Low pressure side to supply it.
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