Hard shifting

BlackedOutHemi · Jun 16, 2011

I have a DSP on my truck, and ever since I put it on, when it shifts while the Rpms are high, it lurches hard. Is this normal and something to be expected? Or is there something I can modify on the tuner to change that?

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truckin151 · Jun 16, 2011

Have you messed with the shift points any? Did you have a tuner on there before? They reduce the TM to give you a firmer quicker shift so if you haven't had a tuner that lowered the TM that may be it but if its a harsh shift that's something else

BlackedOutHemi · Jun 16, 2011

No, haven't messed with shift points yet. But it seems harsh to me. Jerks Me and my passengers forward in our seats when it shifts.

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mitchman · Jun 16, 2011

It's normal dude. My truck does it too. That's the point of the tuner really is to make it shift hard rather than the mush **** it does stock. Don't floor it and you won't get rattled.

truckin151 · Jun 16, 2011

If its not a studder but more of a firm shift its normal. I didnt think the canned shifts were to bad, but I went from the sc3815 to the dsp so it wasnt that much of a change just felt a little crisper. Give it some time to learn and see what happens, it should mellow out a little

BlackedOutHemi · Jun 16, 2011

Well, it's been about three months now. One of the first things I bought. Hasn't learned much. I'll play around with it, just nervous to mess something up.

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truckin151 · Jun 16, 2011

Reload the tne if its bothering you, I'd start messing with it though, you should be able to do WOT and up shifts plus some other fun things. Do some searching and you should be able to find some decent shift points to start with.

Only thing you DO NOT want to mess with is the WOT FUEL and WOT SPARK adjustments. Those can screw things up. If you are not tweaking things you are not using the DSP to its full capability.

pavester · Jun 16, 2011

my truck kicks hard if im romping on it. just driving through the city you can tell the shifts are firmer, it kinda kicks a little more with the superchips. that and the cam haha. that extra torque is fun

BlackedOutHemi · Jun 16, 2011

Okay. Thanks everyone. Just making sure it's normal. I'll play around with it a bit then. See what I can do.

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truckin151 · Jun 16, 2011

If you dont want the hard kick at higher speeds, click the tow/haul on, wait for the revs to go up and then hit the gas. dont just hit it and go, give it a second. Should down shift or upshift if you are in second prime into 3rd and you wont get that hard o a shift. If you dont wait though you'll get a rough shift that is really quite bad.

capsalot · Jun 17, 2011

Mine used to shift really hard with the stock tune, 87 tune and mileage tune.

I switched over to 91 performance tune the other day, put a full tank of 91 octane in it and now it shifts smooth as a baby's nude butt.

Even when I give it WOT from a dead stop it's hard to tell when it is shifting.

Possibly try some 91 octane if you are really nervous.

TheSatinPumpkin · Jun 17, 2011

Are the downshifts hard shifting too?

BlackedOutHemi · Jun 17, 2011

No the downshifts aren't hard. And I'm using 93 octane on a 91 tune.

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Hard shifting

BlackedOutHemi

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truckin151

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BlackedOutHemi

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mitchman

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truckin151

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BlackedOutHemi

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truckin151

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pavester

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BlackedOutHemi

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truckin151

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capsalot

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TheSatinPumpkin

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BlackedOutHemi

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