julius41282

iTrader: (1)

I ordered the new selectable tune, but I am still not sure of a few things...

If I decide to go with the Comp. Mode on=agressive tune and Comp. Mode off=stock tune does the stock tune still have the learn down enabled? Or is the learn down disabled with either option? In terms of a stock tune, will this be exactly the same tune that came on the car when I purchased it or is it just more of a GM Stage Kit-Superchips type moderate tune? I'm sure I will find all of this out on Monday when I get the phone call, but I am too impatient to wait!

VinceTrifecta

Yes we can have more than 2 tunes. For now we just support switching between the stock tune and the custom tune. We're still testing the "high output" tune

It is certainly possible we just need to find a usable output on the ECM.

This is a very good idea.

The new tune is hitting 2-3psi over the old tune. We won't go any further than that on our production tune until we've finished testing higher boost levels on our own vehicle.

LC settings are unchanged

I don't have any dyno numbers on the +2-3psi tune but I will say that the "beast" tune makes about 30HP over our "classic" LNF tune, which made about 50HP over the stock tune.

The stock tune selection is the power level, fuel ratio, etc and the custom tune selection is our performance tune.

BLAZIN07SS

iTrader: (7)

not unless new injectors and higher flow rate is possible. these guys are running into fuel issues with gasoline, imagine e85 which requires more fuel to get the same output

julius41282

iTrader: (1)

So, the learn down is taken off in either mode?

With the stock tune selected, do you only get extra power with installed mods?

VinceTrifecta

There is no disabling of "learn-down" at all in this ECM, per-se.

However, performance tunes (including ours) effectively disable it by asking for a power level that is higher than the engine is capable of producing. I call this "learning it up".

But, to run it with the stock tune is to run it with the stock commanded power values which means it will deliver stock power. Hence, when the stock tune is selected, it will "learn down" to stock power level.

msfitoy

Just curious, will the stock clutch be able to cope with this tune?

Patiently waiting for my call to come in...

Mnatvyc1223

they are already having fueling issues with the stock injectors? E85 would require 30% more fuel to run the same as gasoline. and most likely a return style fuels system.

julius41282

iTrader: (1)

With the new selectable tune, do you basically get the stock setup and the agressive tune? I was under the impression that we were getting 2 NEW tunes from what i've been reading. I guess i'm just a noob to the whole "tuning" idea. It would be nice to have a GM stage kit type tune with your traction control on, and the agressive tune tied to the comp. mode. Is that at all possible?

If you add another mod after your tuned (such as a catback exhaust), do you have to get retuned? If so, how much would that cost for a re-tune?

ClearImageAuto Dan

On the dyno our test car was definitely experience clutch slippage. On the street he hasn't had any problems. As with any modification which adds power, other stock components may require an up-grade. All depends on how YOU drive YOUR car.

Additional tuning is NOT required for an exhaust. However, if you decide to purchase the data cable, Vince has no problem with you sending data logs and making minor adjustments from time to time.

Stamina

I just wanted to thank Dan and Vince for fielding our questions so well. It's very informative and also keeps misinformation/rumor from needlessly spreading.

BLAZIN07SS

iTrader: (7)

yes 400whp seems to be the "limit" of the factory fueling system. another issue is the 2200psi of fuel pressure that the direct injection runs at, so a return style system would probably cost an insane amount

msfitoy

At what hp is the new Trifecta tune running? Can a slightly lower output be accomodated for someone who doesn't want to worry about clutch slipping and what hp range would that be?

cardelino18

iTrader: (3)

with full bolt ons you can look at 335-340whp and 375wtq... thats from my experiense cuz i did 322whp/365wtq with the stage one... im spining my 235 wheels on 2nd like a mother ******....

redstarpa69

Quote:
Originally Posted by Mnatvyc1223
they are already having fueling issues with the stock injectors? E85 would require 30% more fuel to run the same as gasoline. and most likely a return style fuels system.

I was thinking in the same lines.. but change out the whole fuel system, to a high output aftermarket pump, filter, lines, injectors & dual tanks (93 and/or 100/114)??? the system is around $3800... or use something like the C6 uses and have Vince write code for the increased fuel system..

msfitoy

With stock clutch?

redstarpa69

i think so..

cardelino18

iTrader: (3)

yes with stock clutch and its not slipping...

msfitoy

That's what I wanted to hear...Thanks!

msfitoy

Thanks...that's what I wanted to hear =)

sportballa4eva

how to you order the tune where you press the tc button to switch tune? do they just ask when you call?

nelson

The default tune that Vince sends has it set up through the TC button.

09BlueBaltSS

Now this depends on how you are driving. If Im in third under 60mph and stab the gas down I will get a little slipping for about 300rpms then it catches and holds fine. First and second i havent experienced any slipping mainly because the tires come unglued first. If I roll onto the throttle though I usually see no slip.

This is probly the reason GMS1 only makes 340tq. They wanted to make sure that the clutch was not gonna slip no matter how you were beating on it

Killarowa

X2!
1st and 2nd gear.... slow off the line is fine... if you romp it you squeal tires (unglued lol) a little bit then SWOOSH into third.... which does slip a bit... dunno, i guess its just something with 3rd gear and at what RPM's your at?

09BlueBaltSS

You shouldnt be slipping if you are running second gear out, only when at a static speed in third. If you are slipping third in a racing scenerio then your clutch may be on its way out. At the lower rpms the clutch/pressure plate doesnt have enough clamp to hold it down and remember we make alot of torque down low. Mine makes peak torque at something like 3400rpms. These clutches were originally meant to handle 260tq at the flywheel and is now being subjected to around 400tq. Thats a big jump but its handling it really well. Hell I floated the clutch really bad one time when I was stock and still learning how to push the car. The smell of burnt clutch is unmistakable As long as you dont drive like an idiot the stock clutch will hold up for quite a while.

Come to think of it. I cant really think of anyone that has had a clutch failure other than Cardelino18, even though I think his had a defect.