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10-27-2010, 12:02 PM
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#1 |
  
Drives: 2011 Challenger SRT8 6.4L 392 Hemi Join Date: Jul 2010
Location: Smyrna, TN
Posts: 778
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Last edited by RAYSRT8; 03-16-2011 at 10:49 PM. |
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10-28-2010, 12:17 PM
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#2 |
 
Drives: where to begin... Join Date: May 2010
Location: MiSSiSSiPPi
Posts: 34
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Very nice results, however your Air Fuel is VERY lean at the top of the pull, I would suggest not revving over 5900 RPM until you can get your fuel system updated so the AFR stays in the mid 11's the whole pull.
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10-28-2010, 01:07 PM
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#3 |
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Drives: 2011 Challenger SRT8 6.4L 392 Hemi Join Date: Jul 2010
Location: Smyrna, TN
Posts: 778
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Nice catch... You are correct and they have a Boost-A-Pump ordered for me. Fuel is maxed out, but the Boost-A-Pump will correct that.
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2011 Stock 6.4L 392 Hemi Challenger
Flowmaster American Thunder Series Cat Back Camaro parts for sale: http://www.camaro5.com/forums/showthread.php?t=152474 |
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11-10-2010, 01:15 AM
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#4 |
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the waiting game
Drives: 00 Z28 04 GTOs 02 SS Join Date: Apr 2008
Location: TN
Posts: 23
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time for that boost a pump Ray! If you would go twin in tanks, and that 9lb pulley, it would really scream.
everything still going good? have not heard from you in a little while, this is James BTW |
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11-10-2010, 08:40 AM
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#5 |
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Drives: 2011 Challenger SRT8 6.4L 392 Hemi Join Date: Jul 2010
Location: Smyrna, TN
Posts: 778
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__________________
2011 Stock 6.4L 392 Hemi Challenger
Flowmaster American Thunder Series Cat Back Camaro parts for sale: http://www.camaro5.com/forums/showthread.php?t=152474 Last edited by RAYSRT8; 01-24-2011 at 11:46 AM. |
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11-10-2010, 09:02 AM
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#6 |
     
Drives: 2010 2SS/RS IBM Black Polished Join Date: Feb 2009
Location: Colorado
Posts: 2,106
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Make sure you do reading (manual) at the fuel rail. Tuning software gets false positive reads on fuel pressure with BAP units wired thru the stock Fuel Controller. The call for fuel is there...the BAP boosts voltage but the Controller scales the voltage back down. We tried the MDS BAP and found the false readings and ended up going with LPE twin pump and new controller. You are certainly at the top end of what a single pump will ever produce anyway. Be very cautious right now as being that lean can easily burn your stock rings and or crack one of the aluminum cast pistons. Here is a picture of a lean situation like yours with a Edelbrock SC...He was dynoed at 580 rwhp.12.15 AF stock pump.
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418 Stroker, 621RWHP 648 lbs TORQUE Built by Laramie GM Auto Center Tuned by Nick at Mac Autosport. EForce SC, 2 3/4pulley,LPE dual fuel pump, JRE Twin fuel rail upgrade, posi clutch kit, RX oilcatch can and breather, Callies Compstar crankshaft and rods, Racing bearings, CP -13.8 race pistons, steel rings, Comp Cams X6 blower cam, Springs, HD timing chain and tensioner, Doug Thorley Tri Y LT headers, 89.7lb injectors, RPM rollbar, DSS1400 shafts, Simpson 5 pt harness, BMR Toe rods and trailing arms, led lights, RPM input and output shafts
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