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SRT10 and SRT10 Coupe Discussions (2003 and Up) For technical and general questions and discussions related to the "GEN III-IV" SRT-10 convertible and Coupe Vipers (2003+).
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Old 08-25-2003, 03:15 PM   #1
Daniel Cragin/DC Performance Inc

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Default SRT-10 stage 1 performance results

We just finished testing our stage 1 SRT 10 package. Peak hp went from 433rw
to 476rw and torque went from 464 to 502 with the following changes. Stage 1 street port heads (full exhaust port, intake pocket port, stock hardware except for Comp Coupe valve springs),1.7 ratio rockers, K&N filters and rear crossover delete with Borla mufflers.

Considering that this is only a minor port job with no headers the performance gains are very respectable. This particular package requires no tuning and the
upgrades will pass a visual and tailpipe smog inspection.

Information on our stage 2-4 packages will follow, stay tuned.



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Old 08-25-2003, 03:54 PM   #2
Torquemonster

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Default Re: SRT-10 stage 1 performance results

Great results for no obvious visual changes - look forward to hearing results for cam, headers, and street fully ported heads.

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Old 08-25-2003, 10:01 PM   #3
Black SRT

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Default Re: SRT-10 stage 1 performance results

Dan,

Did you happen to get a dyno sheet comparison with just the 1.7 rockers installed, before the other upgrades? Interested to see how they alter the torque and HP curves.
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Old 08-25-2003, 11:30 PM   #4
Russ M

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Default Re: SRT-10 stage 1 performance results

Doesnt the SRT already come with 1.7 ratio rockers? I remember reading that somewhere.
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