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Author
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Topic: Fuel System Gurus need help!
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FRC_Kid
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Member # 8940
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posted
 
 
on a Heads/Intake 5.0 pushing 8lbs what kind of fuel system is needed?
will 42lbs and a 255lph be overkill?
whats the best route to go. and know that this will only be temporary for 4 months or so then upgrading to something major ![[Big Grin]](biggrin.gif)
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Pretend Racecar Driver- C5 FRC
Ford, GM, & Dodge is what I'm all about
Posts: 2578 | From: All over the Peninsula | Registered: Feb 2009
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Duncan Motors
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Member # 7045
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posted
i think a lil big, no smaller than 24 and then no bigger than 30s, but heh what do i know
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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FRC_Kid
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Member # 8940
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posted
quote:
Originally posted by Duncan Motors:
i think a lil big, no smaller than 24 and then no bigger than 30s, but heh what do i know
I got a set of 42lbs already thats why i asked.. would throwing them on there be a problem? with it being overkill and all? or should i just stash them for now and pick up some 30lbs?
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Pretend Racecar Driver- C5 FRC
Ford, GM, & Dodge is what I'm all about
Posts: 2578 | From: All over the Peninsula | Registered: Feb 2009
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1fastmach1
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Member # 10137
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posted
put the 42lbs and 255lph fuel pump but get a fuel regulator and it shud work fine but try and get a tune
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REDLINE MOTORSPORTS CC EST 2011
1993 CHP sold
2004 mach 1 408 Windsor n20 fed
R.I.P. JORGE GUTIERREZ JR
6/13/1982- 11/05/2013
Posts: 2592 | From: clawwwitter to 7th st | Registered: Jul 2010
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86- 50
TEAM PLATINUM
Member # 4723
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posted
Just go with the 42's, i would rether have a little too much fuel than a not enough ![[patriot]](graemlins/patriot.gif)
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My baby:88gt 347 stroker
RIP MATT, Gone but never forgotten
TEAM PLATINUM
Posts: 1796 | From: richmond | Registered: Jul 2004
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wilit
Mustang Messiah
Member # 3367
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posted
Run more boost to make up for the injectors being too big.
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"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.
Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003
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5.0 with some go
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Member # 8248
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posted
you can get away with the 24's with the appropriate maf , fmu ,FPR and a 255lph fuel pump on a stock block...you didn't really state the combo it was going on that might help make a more educated decision also you can find cars with similar setups to what you want to run and check there fuel system build will give you an idea of what your lookin at.
Posts: 247 | From: walnut creek ,ca | Registered: Feb 2008
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SmokinLX
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Member # 1684
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posted
I would say it depends on what heads and intake. Can be a major horsepower difference between a holly intake with AFR's & a typhoon with gt 40p's. If the 42's are going to be big enough for the future setup then stick with what you got and see if You can get by with them. Might get lucky and be able to do without the tune for 3-4 months" until the new setup goes in with some research and fuel pressure and timing adjustment's, I know many member's have gone without a tune & might jump in with some info.
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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FRC_Kid
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Member # 8940
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posted
i'll give you guys two sceniros then..
Stock 5.0 motor w/ GT-40 Intake, full bolt ons, 8lbs?
also same as above with edelbrock heads?
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Pretend Racecar Driver- C5 FRC
Ford, GM, & Dodge is what I'm all about
Posts: 2578 | From: All over the Peninsula | Registered: Feb 2009
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JohnB
Tech Moderator
Member # 969
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posted
quote:
Originally posted by cali95gt:
i'll give you guys two sceniros then..
Stock 5.0 motor w/ GT-40 Intake, full bolt ons, 8lbs?
also same as above with edelbrock heads?
42's and a 255 intank will work for the first...
You'll need the above and a 255 inline pump for the second. Make sure the fuel pressure is around 42-43psi.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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