Tuning by Marty at Extreme Performance. 3.5" 6-bolt pulley from VMP and FINALLY a custom tune (had to get off the Roush canned tune). Still stock bottom end, forged internals will be coming in the next few months hopefully.
1st pull at 20 degrees of timing
Backed out as much timing as we could to 17 degrees, this is what we settled on
The pull:
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Thread: Pressing my luck!
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06-15-12, 09:36 PM #1Junior Member
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- Nov 2011
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- Tempe, AZ
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Pressing my luck!
TVS2300
Roush Extreme Exhaust
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06-16-12, 12:20 PM #2Super Moderator
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- Jul 2006
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- Mesa, Az
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Wow, 500+ HP.. Nice Pull... Think thats max for a stock bottom....?...
"The choices we make, dictates the lives we lead"
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06-16-12, 10:54 PM #3Junior Member
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- Nov 2011
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- Tempe, AZ
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Thanks man! I'm a little past the "safe zone" which is apparently 450whp. On the Roush forum, there a few folks running 490+'ish whp with the same setup as me and still running strong.
Originally Posted by Jacostang
I don't really beat the slop out of it so I think it should hold until I pull the trigger on going forged.
TVS2300
Roush Extreme Exhaust
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06-19-12, 04:03 PM #4Senior Member
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- Apr 2008
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- Phoenix
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what did you gain coming off the canned tune?
2003 SRT4 12.29@109.36 SOLD
2003 Cobra 12.00@119 SOLD
2004 Cobra vert 12.05@118
-intake, exhaust, pulley
2007 Mustang GT 13.66@102
-JLT CAI
-Bama tune
-JBA axle back
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06-20-12, 05:43 AM #5Junior Member
- Join Date
- Nov 2011
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- Tempe, AZ
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- 6
The Roush tunes are notorious for running really rich and they are global tunes not really taking into account our 91 octane out here. There's also some weird safety parameters that are built in most likely for warranty purposes. They're not "bad" but not optimized either.
TVS2300
Roush Extreme Exhaust
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