Author Topic: How much PSI will a mk1 fuel filter handle? (Read 3695 times)

burn_your_money · « **on:** July 19, 2007, 02:24:50 pm »

The title pretty much says it all. I think I need something that will handle over 100psi. Also what temp would it be good up to?

bevboyy · « **Reply #1 on:** July 19, 2007, 02:47:57 pm »

Tyler, the design of the stock filter would not hold anything over 40 psi.

You're going to have to use one off a car that has multi port FI. GM Vortex comes to mind as their fuel pressure is close to 100 psi.

burn_your_money · « **Reply #2 on:** July 19, 2007, 02:52:04 pm »

Thanks, you probably just saved the life of my engine :lol:

Actually what is the max oil pressure ever created with a not so healthy engine?

Aren't the mk1 CIS engines pushing close to 100PSI as well?

bevboyy · « **Reply #3 on:** July 19, 2007, 03:01:35 pm »

Oil pressure should be around 60 psi if memory serves me right.

The CIS pressurizes the fuel at the fuel distributor. The pump is I think 90gal/min - this again is by memory..

hillfolk'r · « **Reply #4 on:** July 19, 2007, 08:17:02 pm »

ive had my fuel pump regulator act up,and send 50-60 psi to the pump before without blowing out......
im using a cis pump for a lift pump with a cheezy home depot regulator to bypass the extra pressure
i normally keep it at 42 psi(idling),cause under a load itll drop to mid 30s
any less,and it drops severely under a load
cool thing is i can open the pass. door and reach unde r the car and adjust the regulator+watch my psi guage in my console
been like that for over a year