Fuel Pressure with TST PMCR

[Big MAK]

Finally have the fuel pressure gauge in. 7lbs cruising; just under 8lbs at idle. At WOT with PMCR on 5/3 it pulls down to 4lbs. Still stock pump; been running the PMCR six months now; with a fair amount of towing and horsing around. So I'd have to say I'm happy with the stock pump! Seems to be holding up fine.



The larger banjo bolt I put in the low pressure side for the pick up seems to help with 'seat of pants' power. Feels like I'm getting a little more fuel into it.

 

[GWoody]

Mark, did you mount your fuel pressure isolator directly to the banjo bolt on the low pressure side of the pump.

 

[Big MAK]

Ran a hose for a grease gun from a banjo bolt on the low pressure feed of the high pressure pump. The grease gun hose is 18inches long; putting the isolator behind the battery. Filled the isolator on the gauge side with antifreeze fluid. The isolator install paper said no need to pre-fill the tube if it was six feet or less; so I didn't. Worked great. I zip tied the 'grease gun hose' to the power steering hose so it wouldn't work it's way around. Think I'll leave it as it sits now; no need to even mount the isolator. Probably takes less vibration beating without a hard mount anyway.