Predator installed
 

Well I installed the canned Predator tune today and took it out for a quick spin to get some first impressions. I'll be taking it out shortly to get some G-Tech runs in to see if has improved my times or not.

First impressions:

1. First thing I noticed is at startup. Engine "lopes" and shakes a little more. I should have figured that, but I LIKE IT. :D

2. Midrange seems to have a little more kick to it. Haven't driven it enough to tell about low and high rpms.

3. From a 60mph roll I went WOT, A4 kicked down into 2nd and I actually got a 2-3 shift chirp. :D That's the first time that's happened. And it's a hot and muggy day here already, in cool air and a cooler road I may expect a little more.

Now I've got to go out and get some G-Tech times as well as use the real time monitoring features to make sure I'm not getting knock.

I'll let you all know what I find out. :)



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Cool...how easy was it to use? I am curious about that as well.

Very easy to use. It walks you right through it. I haven't even messed around with the shift pressures/points and shift times yet. And I'm diggin' the 2-3 chirp I get now. (Hey throw us A4 owners a bone). I'm also very excited about the real time data, it's not like a full blown program like HP Tuners with the laptop and all, but I do like to see the IAT's, ECT's and Knock readings. In fact I just cruised through town today to get used to the real time data function and saw my IAT's jump up to 125 degrees a couple of times. It's about 95 degrees here today, hot muggy air is a b!tch. I'll let all know when I get some more info. SOTP dyno is not telling me much today as I said because the air is so d@mn worthless today. I'll be checking the forecast for the next cool front. Probably October ;)



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It seems that you have experienced a performance boost. I can't wait to read about the comparison to your baseline runs. Does the Predator log A/F? I would be curious to know what you had before the Predator tune. I guess I am curious to know how conservative the stock tune is.

-K

well it should be cooling down tomorrow for ya. the temps dropped to 77f today here in east nebraska so id say you may have a window of oppotunity sunday.

Well it did cool down, but with the cooler air came the rain and soaked roads. :( Hopefully I can get out this week in some cooler air.

I don't think so unless I'm looking at the wrong things, I'll try to list the parameters it measure in real-time.



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you guys can download the Predator's user manual in PDF format for free, from the diablosport website. Might answer a lot of questions.

Well I did get 3 runs in this morning in the cooler air. (G-Tech) Air temp was down to about 70 this morning, much better than the 90 or so the other day when I tried to get some baseline runs before my Predator install. I noticed the IAT's read right at 80 degrees for my runs instead of 100 for the runs in the heat.

Todays results.

1st run: Embarrasing, I roasted the tires off a BT of about 1500 rpm. Makes me think the Predator has gotten rid of the torque management down low, it wasn't this bad/good before I installed the program.

2nd run: 13.51 @ 109.6, much better launch, but still had wheelspin

3rd run: 13.42 @ 110.8, nailed this launch with a BT @ 1250 rpms, it hooked and went, probably because the tires were warmed up by now. This is my 2nd fastest run on the G-Tech and bested a pre-Predator tune time of 13.48.

My only concern at this time is my trap speeds. (I know the G-Tech is way off on traps but you can still compare the speeds run to run.) Before the tune I recorded a 113.1 and 114.2 traps. After the tune I'm getting 108.6, 109.6 and 110.8. These are 3 to 4 mph off. I'm wondering if the canned Predator tune is freeing up my HP/TQ down low and in the mid range over the high rpm.

I still haven't messed around with shift parameters yet or any other tuning. I am going to reinstall the original tune and see if the trap speeds go back up. The thing is I ran a better time with the canned tune than without it. Sure wish I had a dyno to see what the deal is.

I'm also going to prep it next time like I would at a track. (Drop the rear tire pressures, lose the spare/jack and a bunch of other odds and ends, etc.) I'll see if I can't drop my times on the G-Tech. Keep y'all posted if you're interested. :)



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I am definitely interested. I was pulling for you to drop into the 12s.

-K

I wish! :)

Maybe headers and an underdrive pulley and I could be flirting. Of course these aren't true track runs either. Just have to hunt some Rustang GT's down now. ;)



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Got my Predator this week and installed the "Tune" today. I hadn't driven the car in so long, it's hard to tell if it made a marked difference. lol...HOWEVER, the elimination of the CAGS made it WELL worth it. lol. Now all I gotta do is figure out how I'm going to lower my final drive ratio. I could easily just buy a 3.91 and pay 3 times what they're worth (compared to the average set of gears) or I could wait til this top secret 8.8" ford IRS retrofit becomes public knowledge....because THEN I could get a 4.30 like I want.

Note: I already HAVE an 8.8" IRS Ford rearend, laying under the bench in my garage. lol.

Would you recommend the Predator as being worth the money if one were to pay retail ($399.99)?

-K

I think so. But mainly because it allows you to recalibrate your speedo, if you wanna swap gears. You can disable several OBDII codes, so you can go without cats, etc. I got mine used. I only paid $180 for it. I'd probably be reluctant to pay $400 for one though. lol. Look around, you can pick them up much cheaper. Oh...btw....the '05 hood that I bought on ebay arrived destroyed. Looked like it got dropped off the truck, edgewise...from about 900' feet. Didn't accept it.

Just to update, no runs recently due to the Amazon jungle heat here. But I have removed torque management and bumped up shift pressures and lowered shift times by a hair. In fact I'm thinking of bumping them closer to the max to get some snap/bang shifts. I'm not sure I'll be brave enough, don't want to grenade the tranny yet, but we'll see.

Soon as I get some G-Tech times in a little cooler air I'll post them up. Cool fronts are few and far between this time of year around my area. :(



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