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4.8 Radix, cam, meth and new tune

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Old 06-29-2010, 08:58 AM
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Default 4.8 Radix, cam, meth and new tune

Just got my 4.8 tuned yesterday. I didnt do a baseline pull but here are the current mods/numbers.

-Radix w/ 3.3 pulley, 9lbs boost
-LT's and ORY
-217/219 .533/.533 114 cam
-Stage 2 meth injection


All tuned by Excessive Autosports in Sioux Falls, SD.





Red lines are 3rd gear pull, Blue is 4th. He had to let off at about 5500 in 4th cuz there was a little wheel hop/shaking going on, I guess my 32" tall tires didnt like going 135+mph. But comparing the curves if he could have kept on it all the way to 6k the peak HP and torque numbers would have been almost the same like they were in the 3rd gear pull. We figured about 435/437 would be pretty accurate for the final numbers.
Old 06-29-2010, 09:49 AM
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very respectable
Old 06-29-2010, 09:53 AM
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great numbers!
Old 06-29-2010, 09:59 AM
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not bad at all. solid 400/400 dd!
Old 06-29-2010, 11:17 AM
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Nice numbers on the 4.8l!!!

Last edited by trever1t; 06-29-2010 at 12:45 PM.
Old 06-29-2010, 04:07 PM
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400ftlbs at 2500rpms
Old 06-29-2010, 04:10 PM
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damn nice numbers man. i wish i had that torque down low!
Old 06-29-2010, 05:30 PM
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4.8's dont make TQ, need more displacement for that... Nice job man!
Old 06-29-2010, 07:45 PM
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nice results.
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