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Old 04-04-2013, 01:47 PM
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Grand Cherokee custom tune

Hey all, I have been running a custom tune created by my local CMR tuner in NYC. Great improvement from the DS 93 tune. I still feel though that he left a lot on the table. He spent a lot of time on timing and didn't change RPM shift points etc. Does anyone know if someone like Johan let's say can review the tune and of course get paid for it if he improves it? How can I reach out to him?
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Old 04-04-2013, 03:03 PM
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Re: Grand Cherokee custom tune

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Originally Posted by trelos78 View Post
Hey all, I have been running a custom tune created by my local CMR tuner in NYC. Great improvement from the DS 93 tune. I still feel though that he left a lot on the table. He spent a lot of time on timing and didn't change RPM shift points etc. Does anyone know if someone like Johan let's say can review the tune and of course get paid for it if he improves it? How can I reach out to him?
Sean at hemifevertuning.com adjusted shift points with my tune. What an amazing difference!
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Old 04-04-2013, 06:06 PM
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Re: Grand Cherokee custom tune

johan@diablosport.com
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Old 04-04-2013, 07:36 PM
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Re: Grand Cherokee custom tune

Dizz.... Did he mess around with timing or just shift points?
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Old 04-04-2013, 10:50 PM
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Re: Grand Cherokee custom tune

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Originally Posted by trelos78 View Post
Dizz.... Did he mess around with timing or just shift points?
Im not dizz but I am running the 89 hemifever tune. The shift points in terms of downshifts while on the throttle are much improved and happen at at a lower rpm. The shifts are also smoother and you do not have to deal with the unpredictable 2 gear downshift experienced with the stock tune.
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Old 04-05-2013, 07:33 AM
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Re: Grand Cherokee custom tune

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Originally Posted by trelos78 View Post
Dizz.... Did he mess around with timing or just shift points?
Both...more hp, crisper shifts, instant downshifts and higher rpm shift during WOT to take full advantage of the Hemi's power. I also ran the 93 tune(I got both 89 and 93 from Sean) and did not see any noticeable difference between the two. It just flat out drives better in all aspects and now you can tell there is a Hemi in there.
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Old 04-05-2013, 09:05 PM
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Re: Grand Cherokee custom tune

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Originally Posted by dizz1979 View Post
Both...more hp, crisper shifts, instant downshifts and higher rpm shift during WOT to take full advantage of the Hemi's power. I also ran the 93 tune(I got both 89 and 93 from Sean) and did not see any noticeable difference between the two. It just flat out drives better in all aspects and now you can tell there is a Hemi in there.
Sounds really good!! Just waiting for Sean to tackle 2013 MY hemi's ...

Rob
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