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Anybody running a 255 lph pump in their 6er? Posted By: cheddar On: 11-21-2009 @ 23:19:40 Reply | Edit Are any of you guys running a Walbro 255 LPH fuel pump in your 6 cylinder cars?? I realise it might be overkill, but the pump went out of my 95 3.4 car and I got a great deal on this pump. I've got the tank out and I'm ready to swap the pump, but I wanted to see if there might be any issues with putting a fairly large volume pump in this set-up. The car is completely stock, so the high volume serves no purpose what so ever. Should I put it in? The 94 is getting a complete new RaceTronics set up this winter or spring, so I'd like to use this pump now if I can. Thoughts??? -- 
1994 Z28 383, GM 847 Cam and fully ported heads, TCI Competition Series TH400 Tranny, Moser 9 inch rear, 3.73s, and N2O. Best N/A 11.83@114.96MPH. On a 125 shot 11.08@121 MPH. http://www.v8havoc.com/stuff/willslt1.wmv "I just wanna drive my ride and not get hassled by the man." Posted By: goldenphoenix On: 10-18-2005 @ 23:26:08 Reply | Top | Edit I do. I didnt install it nor have I driven the car since installation but its still in there. It is overkill, even for a turbocharged 3.8, thats one of the last mods you will ever do and only when youve got massive hp.  I would keep it though for later! -- If your whining isn't coming from underneath the hood I dont want to hear it.
 Posted By: cheddar On: 10-18-2005 @ 23:36:37 Reply | Top | Edit LOL. I know what you're saying, but I wont be putting it any other car. I had bought it for my 94, but I want to go with 100% new and I want the Racetronic kit in that car. The 95 needs a pump and I will most likely never mod the car and I just need it back on the road running to shut the wife up. So I just want to put it in the 3.4 VS. buying a 200 dollar replacement pump for it. Would that be okay? --
1994 Z28 383, GM 847 Cam and fully ported heads, TCI Competition Series TH400 Tranny, Moser 9 inch rear, 3.73s, and N2O. Best N/A 11.83@114.96MPH. On a 125 shot 11.08@121 MPH. http://www.v8havoc.com/stuff/willslt1.wmv "I just wanna drive my ride and not get hassled by the man." Posted By: goldenphoenix On: 10-18-2005 @ 23:41:29 Reply | Top | Edit Im going to go out on a limb and say "sure". I dont see how it would hurt anything other than making the engine run rich. -- My other siggy! 
 Posted By: cheddar On: 10-19-2005 @ 00:09:01 Reply | Top | Edit Eeeeesh. You think it'll run rich? Might the stock FPR not handle the volume? Maybe I need a larger or adjustable FPR? If it does, then that starts to cut into the cost savings here. Hmmmmmm. --
1994 Z28 383, GM 847 Cam and fully ported heads, TCI Competition Series TH400 Tranny, Moser 9 inch rear, 3.73s, and N2O. Best N/A 11.83@114.96MPH. On a 125 shot 11.08@121 MPH. http://www.v8havoc.com/stuff/willslt1.wmv "I just wanna drive my ride and not get hassled by the man." Posted By: cheddar On: 10-19-2005 @ 17:57:56 Reply | Top | Edit Anyone else have any thoughts on what might happen if I put that sucker in there??? -- 
2002 Silver Z28 M6 Carbon Fiber Lid, Smooth bellows, Hooker exhaust, Eibach Pro kit Posted By: 1BADDAM On: 10-20-2005 @ 03:00:25 Reply | Top | Edit I've have had one in my car for over 2 yrs now. Not one issue. Golden - a mid 10 sec turbo 3.8 WILL max. one out -- 89 TA 3.8 LC2 Snake- the other white meat Posted By: 97rs4life On: 10-20-2005 @ 08:04:01 Reply | Top | Edit I have one in my car and it works great. Much cheaper than a stock replacement as well. -- Red 1997 Camaro RS Y87 - Grand Valley Vehicle Specialties- owner Posted By: goldenphoenix On: 10-20-2005 @ 09:05:58 Reply | Top | Edit Baddam, hes talking about installing it on a pretty much stock 3.4 liter Fbody. It takes ALOT of work to make a 3800 series 2 Fbody reach down into the 10s. So your saying Im going to need to upgrade that fuel pump before too long? -- My other siggy!
Posted By: 1BADDAM On: 10-20-2005 @ 09:15:27 Reply | Top | Edit From what I remember, pump will support ~ 600 bhp. So if you be over dat, you runny outta fuele.  -- 89 TA 3.8 LC2 Snake- the other white meat Posted By: goldenphoenix On: 10-20-2005 @ 09:19:56 Reply | Top | Edit dang!!! My Caps Lock Button Is Broken -- My other siggy!
Posted By: cheddar On: 10-20-2005 @ 16:36:57 Reply | Top | Edit Saweeeet! I'm gonna put it in. --
2002 Silver Z28 M6 Carbon Fiber Lid, Smooth bellows, Hooker exhaust, Eibach Pro kit Posted By: goldenphoenix On: 10-21-2005 @ 00:20:18 Reply | Top | Edit ^ Well I dont know very much at the 3.4 Fbodys but I dont think you are going to be having any fuel delivery problems anytime soon! -- My other siggy!
Posted By: hurley_21_07 On: 10-22-2005 @ 00:05:09 Reply | Top | Edit 
Dan -- || 30th Anniversary Camaro 3800II A4 ||  Silver Sixxers! || See My Baby
MODS: SLP CAI,// DIS-4// 180 Thermo Winter Mods: P&P Heads and Intake, Comp Cam, Headers, 3.73's
 Posted By: HBHRacing On: 10-22-2005 @ 00:08:52 Reply | Top | Edit pump volume shouldn't matter. It will not change rail pressure nor injector pulse witdth so you should be fine. just because it suprts XXX amount of flow doesn't mean that it will have to run that much all the time. -- Owner of HBHRacing.com Xtreme performance products 
click me For Fbody tech articals Posted By: 1BADDAM On: 10-22-2005 @ 00:39:43 Reply | Top | Edit If memory is correct Walbro pumps are positive displacement, so if your return line or regulator can't handle the volume it can increase pressure on the rail. Doubt this is the case but something to think about. -- 89 TA 3.8 LC2 Snake- the other white meat Posted By: HBHRacing On: 10-22-2005 @ 11:26:25 Reply | Top | Edit it still can't because of the regulator control. no matter how much pressure and volume a the rail, the regulator will kick down the pressure and then extra volume will be returned to the tank. Otherwise you would have every regulated car running really really rich at anything other then WOT. -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: Blazin666 On: 07-09-2009 @ 17:28:17 Reply | Top | Edit My Caps Lock Button Is Broken Posted By: Blazin666 On: 07-09-2009 @ 17:33:16 Reply | Top | Edit Hey whats up, i saw you post on here about the Walbro 255 lph Fuel Pump. Im in the same boat as you my fuel pump went and i need a replacement, i plan on working the car alot so ill need a bigger one eventually, bu i one in the meantime, did you put it in you stock v6, and if so did you have any problems, ive seen the Walbro 255 talked about alot, thanks so much for any info Ryan, if possible send reply to my email EcrusherX3@aol.com
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