JMS Tunes?

SlvrS197

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Has anybody with one of the new 5.0's tryed JMS's n/a or nitrous tunes? Comments, reviews?
 

ebrow21

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Has anybody with one of the new 5.0's tryed JMS's n/a or nitrous tunes? Comments, reviews?

Running N/A and nitrous tune on my Premium 12 gt.

High 11's on motor with Airaid, 275/60/15 race stars, o-rx and dss ds.
High 10's on a nx plate 75 shot.

They take awhile for updates, but otherwise the car works well.
 

michael.konor

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I used JMS (Johnson Motor Sports) for years and years. Even when I moved to Texas I still used them since my HQ was in Alabama, and I could do a drive-by. After changing commands, I switched.

I would still be using them if it was convenient. Tell Steve I said hello.
 

OU81

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Thank you. I was referred to JMS by some local s197forum members after not being happy w/ several tuners and have not looked back. Mine is just an email tune for now but might make the 2 hr drive to their shop soon for a dyno tune if i decide to put a nitrous kit on it.
 
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