feel downshift on 250 tune? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 08-10-2010, 12:06 PM Thread Starter
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feel downshift on 250 tune?

should you feel the 250 tune downshift between15-20mph? When you come to a stop it bumps down into gear, what's the story on this.

08 Job 3 250 4 door, 6 inch lift, AFE straight piped, AFE drop in filter and Spartan tuned. 91 Procharged mustang
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post #2 of 6 (permalink) Old 08-10-2010, 02:12 PM
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All of the tunes with higher line pressure do this. You should feel my Suncoast do it.

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post #3 of 6 (permalink) Old 08-10-2010, 04:02 PM
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just dont roll on the throttle till your alittle slower, I have screwed up a few times and rolled on it hard in that speed and thought i was going to knock my teeth out. Probibly not the best on drive terain but got 147,000 Km on my truck and been tuned since 60,000 km or roughly 100,000 miles and 30,000 miles i beleve.

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post #4 of 6 (permalink) Old 08-11-2010, 01:16 PM Thread Starter
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Alright, just was checking, 08stroker250, I hope yall can get another tune worked out, I wouldn't mind one just like the 250, but with smoother shifting, like I've said in previous posts the hard shifting is what I dislike about that tune, everything else I can live with.

08 Job 3 250 4 door, 6 inch lift, AFE straight piped, AFE drop in filter and Spartan tuned. 91 Procharged mustang
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post #5 of 6 (permalink) Old 08-11-2010, 09:11 PM
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Quote:
Originally Posted by 08stroker250 View Post
All of the tunes with higher line pressure do this. You should feel my Suncoast do it.
Is this one of those situations where he should add 1/2 to 1 quart of tranny fluid if he hasn't already done so?

I may need to do this on my own truck.

Thanks for your help and contributions to the Forum.
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post #6 of 6 (permalink) Old 08-12-2010, 12:14 AM
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Quote:
Originally Posted by Truckmaniac View Post
Is this one of those situations where he should add 1/2 to 1 quart of tranny fluid if he hasn't already done so?

I may need to do this on my own truck.

Thanks for your help and contributions to the Forum.
No, this is just due to more line pressure. I have a deep pan with my Suncoast and have 24 quarts of transmission fluid in it....I still feel the bump. Nothing to worry about guys.

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