4.7 running lean

Performance mods and Advanced Stroker discussion.
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Spjewell
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Learning to use the board
Posts: 30
Joined: March 17th, 2016, 6:06 pm
Stroker Displacement: 4.7
Vehicle Year: 1992
Vehicle Make: Jeep
Vehicle Model: Wrangler

4.7 running lean

Post by Spjewell »

I have a 4.7 CA smogger, running 55 psi on the fuel rail, with 30 lb injectors, 2001 intake, 2.5" exaust, header, comp cams cam, 4.2 crank with 4.0 rods setup.

Image

Any info would be appreciated.
jsawduste
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My keyboard is getting warn out
Posts: 1032
Joined: February 28th, 2008, 3:13 am
Stroker Displacement: 4.9
Location: Michigan

Re: 4.7 running lean

Post by jsawduste »

You didn't read my post of JF. Go back and see it.
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SilverXJ
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Posts: 5790
Joined: February 14th, 2008, 7:14 am
Stroker Displacement: 4.6L
Vehicle Year: 2000
Vehicle Make: Jeep
Vehicle Model: Cherokee
Location: Radford, Va

Re: 4.7 running lean

Post by SilverXJ »

That gauge is showing rich. Why are you running 30 lb injectors? Those are way too big.

Also, more details needed.
nicpaige
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Posts: 218
Joined: October 16th, 2014, 3:35 pm
Stroker Displacement: 4.6
Vehicle Year: 2000
Vehicle Make: XJ
Vehicle Model: Sport

Re: 4.7 running lean

Post by nicpaige »

spjewell = Your confusing lean with rich. less than 14.7:1 is rich higher than 14.7:1 is lean.
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