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CC Advertisers
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04-10-2013, 04:48 AM
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CC Member
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Join Date: Nov 2009
Location: Cheltenham,
Vic
Cobra Make, Engine: Classic Revival CR3516, LS3, Aussie Mike'd T-56, 3.70 LSD, AP brakes, Penske shocks
Posts: 1,616
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Not Ranked
LS engines, anyone running the '99 Corvette fuel filter/reg combo?
The fuel filter in the '99 Corvette has a regulator (58psi) built-in, is anyone running one of these in their LS setup? From what I read it seems somewhat common in the US on LS conversions, and saves the hassle of external regulator;
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Ben in AU
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04-10-2013, 03:03 PM
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CC Member
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Join Date: Jan 2007
Location: Melbourne,
VIC
Cobra Make, Engine: Harrison, 6.0L Chev
Posts: 2,513
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Not Ranked
Modena, most of the LS blokes I know are running the Crewman pump with internal reg (like myself) or the BA Falcon setup. That one above would be more easily serviced I guess but I went for simplicity instead.
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04-10-2013, 03:24 PM
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CC Member
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Join Date: Apr 2006
Location: Mildura,
vic
Cobra Make, Engine: FFR Coupe, 416ci of LS goodness
Posts: 2,349
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Not Ranked
It really depends on whether you have thought that you might upgrade the fuel rails etc later.
If so, just buy an external reg a fit a return system, it really not that difficult.
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04-10-2013, 08:28 PM
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CC Member
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Join Date: May 2004
Location: Melbourne,
Vic
Cobra Make, Engine: Cobra RMC 377ci Windsor, Harrison Daytona Coupe, Ford XC Coupe.
Posts: 1,588
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Not Ranked
Pump
Hi Ben,
I am running the std LS internal pump/reg/swirl pot and it is great.
The only difference to the Ford unit ( running one in the Cobra ) is the there
is no return line in the LS set up. I have 300rwkw in the Daytona and it
handles it. I understand TL with the SC/LS set up needed to upgrade his
pump.
STIFFY
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04-11-2013, 12:33 AM
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CC Member
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Join Date: Jul 2007
Location: Melbourne,
VIC
Cobra Make, Engine: Harrison build #98 with Supercharged 6.2L of Chev Power, TKO600 5 speed gearbox
Posts: 210
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Not Ranked
Quote:
Originally Posted by stiffy
Hi Ben,
I am running the std LS internal pump/reg/swirl pot and it is great.
The only difference to the Ford unit ( running one in the Cobra ) is the there
is no return line in the LS set up. I have 300rwkw in the Daytona and it
handles it. I understand TL with the SC/LS set up needed to upgrade his
pump.
STIFFY
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I have a Bosch 044 pump and external regulator. Even then the car starts to lean out above 5500 so it's not getting enough fuel. I already have better injectors that came with the S/C but I am running a 5200 limit and even then there's more than enough mumbo. |
04-11-2013, 06:01 AM
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Senior Club Cobra Member
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Join Date: Mar 2007
Location: North Gold Coast,
Qld
Cobra Make, Engine:
Posts: 820
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Not Ranked
i used to sell those fuel filters but they got abit expensive once u priced up fittings for it
still bit cheaper than external fuel pressure reg
didnt have any comebacks
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04-11-2013, 02:12 PM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
I am running that exact filter.
I have a Walbro 255LPH intank pump running to the filter with AN6 and then 3/8 hard line to the engine. More pump options with that filter/reg.
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04-11-2013, 08:29 PM
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CC Member
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Join Date: Nov 2009
Location: Cheltenham,
Vic
Cobra Make, Engine: Classic Revival CR3516, LS3, Aussie Mike'd T-56, 3.70 LSD, AP brakes, Penske shocks
Posts: 1,616
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Not Ranked
Zedn am I right in saying that the feed to the filter is 3/8 (AN-6), while the return from the filter is 5/16 (AN-5?) ?
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Ben in AU
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04-11-2013, 09:36 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Just thought I'd throw this in for those using this Corvette Filter Regulator and planning to use a BA ford in tank pump module.
The following link will take you to a Ford BA tank module that is already fitted with a 255ltr Walbro pump and which has a deeper enlarged base which keeps more fuel around the pump.
They can also supply this pump module but fitted with the new Walbro 400Ltr pump.
The Company is Auto Wholesale Aust. and is in Melbourne.
eBay Australia: Buy new & used fashion, electronics & home d
Don't know what they are like but worth looking into.
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04-12-2013, 04:22 AM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
3/8" in and 5/8" return, but all are -6an. Get the kit that has the fittings with it. I just used a tube nut and sleeve to go straight onto the 3/8 hard line to the motor. Then 6an hose to the tank.
I got all the stuff from summit.
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04-12-2013, 04:44 AM
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CC Member
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Join Date: Nov 2009
Location: Cheltenham,
Vic
Cobra Make, Engine: Classic Revival CR3516, LS3, Aussie Mike'd T-56, 3.70 LSD, AP brakes, Penske shocks
Posts: 1,616
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Not Ranked
anyone running a check valve ?
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Ben in AU
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04-12-2013, 05:23 AM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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Not Ranked
I don't think it's really necessary for returnless systems.
Mine holds pressure for a long time.
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04-12-2013, 06:52 AM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Quote:
Originally Posted by Modena
anyone running a check valve ?
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Most of the in tank pumps have a check valve on the pump outlet. I know the Walbro's do.
see here about half way down the page.
Auto Performance Engineering - Walbro fuel pumps install tips
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Last edited by Rebel1; 04-12-2013 at 06:54 AM..
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