Will Stock Regulator work w/155lph Fuel Pump??

RMARIANI · 04-26-2002, 08:38 AM

I'm not driving my car right now, but I need it running to move it around while I work on it. The car has been sitting for a few months and a few months before that, I replaced the fuel pump with a 155lph unit. I wanted to use an adjustable pressure regulator, but never got around to it. Here's my question. I'm not working on the motor/fuel delivery system yet. I'm doing suspension, rear, brakes and trans first. I know I need a new regulator because of the gasoline smell I was experiencing after the new pump went in. The car runs as is, but I'd prefer to buy a $20 stock regulator for the time being. Would this correct my problem or is the stock regulator too weak??

twofast · 04-26-2002, 10:47 AM

the stock reg will work fine. i'm using the stock reg with two 255L/hr pumps.

whiterod · 04-26-2002, 11:13 AM

The stock regulator should be fine, i run a stock one with a 190 lph and never had a problem. if you smell gas after you put the pump in, maybe you have a oring that didn't seat well. But the regulator shouldn't be your problem

gtsr515 · 04-26-2002, 06:08 PM

Go ahead and install an adjustable reg. now while the car is down, set it at 38-42psi with vacuum disconnected and it will be the same as a stocker until your ready for more pressure, the pump capacity doesn't determine what reg to buy, they all work.

Unit 5302 · 04-26-2002, 06:50 PM

If the regulator fails you can certainly smell gas. The diaphram ruptures and gas is sent into the vacuum line. Eventually you might get a whiff of it. Bad injector O-rings, a broken charcoal canister or lines running to it would be more likely at fault.

If your regulator has ruptured, your car will run like total garbage.

04-26-2002, 08:38 AM	#1
RMARIANI Registered Member Join Date: Apr 2000 Location: New Jersey Posts: 167	Will Stock Regulator work w/155lph Fuel Pump?? I'm not driving my car right now, but I need it running to move it around while I work on it. The car has been sitting for a few months and a few months before that, I replaced the fuel pump with a 155lph unit. I wanted to use an adjustable pressure regulator, but never got around to it. Here's my question. I'm not working on the motor/fuel delivery system yet. I'm doing suspension, rear, brakes and trans first. I know I need a new regulator because of the gasoline smell I was experiencing after the new pump went in. The car runs as is, but I'd prefer to buy a $20 stock regulator for the time being. Would this correct my problem or is the stock regulator too weak??

04-26-2002, 10:47 AM	#2
twofast Registered Member Join Date: Jan 2002 Posts: 8	the stock reg will work fine. i'm using the stock reg with two 255L/hr pumps. __________________ 94gt incon tt _ 10.78@130 497rwhp/528rwtq 68 stang 351w _ 12.99@106 my stangs update 9-03-02

04-26-2002, 11:13 AM	#3
whiterod Registered Member Join Date: Sep 2001 Location: zachary, la Posts: 73	The stock regulator should be fine, i run a stock one with a 190 lph and never had a problem. if you smell gas after you put the pump in, maybe you have a oring that didn't seat well. But the regulator shouldn't be your problem __________________ GT-40X(58cc)heads, cobra upper&lower, FMS 65mm TB, 75mm Bullet, 24# injectors, 190 lph fuel pump, moroso cold air intake, BBK 1 5/8 equal length headers, flowmaster cat back, 1.7 cobra rockers, crane 2031, T5Z gear box, centerforce dual friction, mcleod bullet proof bellhousing, 3.55 gears, hurst billet shifter with over 193,000 miles. thanks to all who contributed

04-26-2002, 06:08 PM	#4
gtsr515 Registered Member Join Date: Nov 2001 Location: Sunny, Hot, Sebring, Florida Posts: 725	Go ahead and install an adjustable reg. now while the car is down, set it at 38-42psi with vacuum disconnected and it will be the same as a stocker until your ready for more pressure, the pump capacity doesn't determine what reg to buy, they all work. __________________ Remember...2nd place is 1st place for losers!

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04-26-2002, 06:50 PM	#5
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	If the regulator fails you can certainly smell gas. The diaphram ruptures and gas is sent into the vacuum line. Eventually you might get a whiff of it. Bad injector O-rings, a broken charcoal canister or lines running to it would be more likely at fault. If your regulator has ruptured, your car will run like total garbage.