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rammer52 11-19-2010 10:16 PM

Diablo predator
New guy here. Thanks for the warm welcome at the check-in. I have a couple of questions. Is any one else having the trans. shudder on passing gear downshift at 45-50 mph with latest version of predator? I installed 93 tune with dod disabled. Predator forum has people posting for an updated fix. I have the 9r09 crom. Also at 60 mph if I drop down to 5th.manual I dont lose od. still tacks about 1600-1700 rpms. It will also tack this in tow haul. Normal? Thanks again.

fitter1 11-19-2010 10:35 PM

Hello and welcome to the forum. I also have the DSP and exp. the same shudder you are talking about. I was just on the Diablo web forum and Johan has a possible tune that has fixed this.
One member has already run one of the new tunes and no shudder.
It's on the forum thread "Tranny jumping and shuddering"

Ramathorne 11-19-2010 10:51 PM

I have same issue
Have been waiting for a fix
I started the thread

fitter1 11-20-2010 01:02 AM

Check out the new post Johan put up. posted 2 tunes one tested so far and seems good I'm going to keep an eye on it.

My ss got a ls 11-20-2010 03:26 AM

Just when I was about to get one lol I guess I will wait to see what happens

Dan 11-22-2010 02:49 AM

The issue will probably be resolved soon- I've been testing some tunes for Johan to try to get the shaking issue fixed. One of the tunes I have now seems to have fixed the problem.

I wouldn't let this thing stop you from getting a predator, as long as you get the cables to hook it up to your pc so you can get the update when the update is released. Those cables should really be considered mandatory anyway.

semichigan 11-22-2010 06:40 PM

Isn't it just happening when you kick out of MDS mode?

Ramathorne 11-22-2010 06:58 PM

Whats that? ;)
I shut my mDs down just after I bought the truck!

rammer52 11-23-2010 11:58 PM

MDS on or off no different, I believe a fix will be available soon!

Dan 11-24-2010 01:48 AM


Originally Posted by semichigan (Post 364667)
Isn't it just happening when you kick out of MDS mode?

I actually got the shaking to happen today without going into or out of MDS (different tune than I mentioned before- trying different tunes to help find and fix the problem). That being said, even at its worst, I found the problem to be intermittent. The shaking also always stopped if I let off the gas briefly.

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