Damn i was going to atco last night but tide up at work til late.
Good job man, nice driving.
Let me know when you go down again.

 

Illrunya - are you using the stock intake with stock paper element filter?

 

yep..stock intake and all. Everything is stock except for reflash and 19psi @ redline.

Ken

 

you 4got to say the bag of tacos in the backseat...lol

 

haha...FOCKER!

 

Wow I wonder what mine can run with 310whp?

 

Didn't do as well as I thought I'd do. best was a 13.5@103.... 1.95 60ft. The trap went up, but for some reason, my ET didn't go down as much...maybe clutch is starting to slip? Maybe my car has a lower boost level? Don't know...I'm getting a boost gauge soon. I guess if my 60ft was around 1.6-1.7 then the car would be around 13.1, which is where it should be considering my car has lower whp then yours....

What was your 60ft on that 12.8 run of yours?

Edit: I disconnected the battery to reset the ECU (just felt like it). I wonder if that affected the performance in a bad way...I know the ECU starts to pull timing a bit after couple runs (or so I've heard).

 

I was cutting 1.7 and 1.8 60fts. 1.95 could definitely be improved. Where are you launching @? And are you on stock clutch?
Id believe the lower boost level is holding you back! When you get a boost guage, please let me know what kind of boost you are running. Im very interested in seeing where its at, and comparing it to my boost levels.

On my runs @ the track, I was holding 19psi @ redline.


Ken

 

Illrunya, I launch around 5000-5500, slipping a bit and then letting the clutch go, mashing the accelerator. Takes a bit of practice I guess on a stock clutch (no restrictor removed or ss clutch line). I'll let you know when I get a boost gauge. I'm hoping my boost levels are low instead of something uncorrectable that accounts for the lower hp. Keep in touch, my aim is ksdlee.

 

Ok, I have been out of touch with Evo performance for awhile.

What is "Dynoflash"? I am no dummy, is this a new brand name, or are you just generically referring to a "Flashed Eprom ECU"?

Who did your maping...to the 12.8 guy...this is really nice...what are your egt's? Any detonation...race gas???

Thanks,
Andy

 

Dynoflash is a a company that tune's cars on the dyno using reflashing of the ECU.

I dont have an EGT guage yet. That should be comin in very soon.

On the dyno, there was a hint of detonation on my stock map with just mbc. Nothing crazy though to get worried about. After the tune on the dyno, everything was smoothed out, and no hint of detonation. Once I get my egt guage, I should be able to monitor things better. This run was done on 94 octane.

Ken

 

Some observations :

Danny - your trap speed went UP - thats your power - power went up so the trap goes up. Your lower ET has nothing to do with boost - its your driving - a 1.9 60 ' is NOT going to get you any record times. I suggest you hang up the drag racing for a whole as if you keep pressing the issue your stock clutch is going to be shot

As far as re-setting the ecu - your car is set with ZERO knock - there will be no advantage to resetting the ecu - YOU will NOT LOOSE ANY power by re-setting the ecu - ONLY gain power IF the ecu saw knock and had pulled timing in the past bit of driving

As for the reason why this guy is making more power - its prob mostly related to the type of fuel you used and the type of fuel he used. We tune by pushing it and then backing off till detonation goes away and adding a good saftey margin - if you got lower octane or older fuel than the other guy your tune will be down 10 - 15 whp lower than his

Fuel is very importrant

Thats why you should always come to my dyno sessions with the fuel you will use every day

Good luck at the track guys - take it easy on those clutches and thanks for the support !

 

I did use 94 octane, that's why I'm thinking my boost level might be lower (maybe 16-17 compared to his 19). I know my launching sucks, but practice makes perfect (no need to hang up the drag racing though, that comment was a little hurtful). The stock clutch gets some getting used to...I have only launched the car at the track which makes it 6 times total.

I had a DSM 2G fwd with a 20G and a 6 puck clutch and launching that wasn't too hard since I had stiff motor mounts (but can you say major wheel spin?). I also had a 1G with a haltech, frank 5, sump tank, 960cc injectors, custom fuel system, and an ACT clutch which was actually easier to launch with. Gave that all up to have a more reliable street car (thus using only pump gas).

I resetted the ECU because I just put in 94 octane instead of the crappy? 93 Amocco on the trip down. I don't think it's the fuel issue.

Al, if the car wasn't detonating on 94 octane when I was there at Pruven, would you have tuned it for higher whp?

BTW: I am not unhappy with Dynoflash...just a bit disappointed and frustrated towards the car because it didn't make much more than 12.2whp, not you or your services.

 

Every car makes a bit less or more power - it depends on a LOT of variables. Probably one of the most important variables is the FUEL used - we see great variations and we feel at least some of the variation is due to the fuel. My personal theory is that sleezy fuel dealers may sometimes sneak in lower octane fuel in the tanks. Also if the fuel is OLD - it looses octane. Contamination with h20 may also have an effect.

As far as your particular tune is concerned - it was with out a doubt the lowest PEAK HP gain on the dyno flash so far. Usually, we see more of a increase in power. The end power result was however in line with what we ususally expect to see on a almost stock evo. Anything in the 250 - 260 range is average considering some roll in with 20 - 220 to the wheels.

However, the big benefit of having the car individually tuned on the dyno is that when we run across a car that has a low knock threshold we can see it and then we can tune around it. Personally, I rather sacrifice a few peak hp for a greater margin of safety and less stress and wear and tear on my rings and rod bearings. The MOST important criteria we use at Dyno Flash is CONSERVATIVE tuning. If the set up youy are running won't go beyond a certain point - we BACK off the tune by a safe margin to provide a comfort level.

Your car was detonating at the 260 whp area so it had to be de-tuned to give it clean detonation free operation and the smooth power band we crave.

We don't make the cars, engines or fuel - we just tune to maximize the power that can be safely made on that car. We will NOT go beyond safety margins just to make a "number."

BTW - alothough it has NOT yet happened - it is possible that we may one day find an Evo that can't safely MAKE ANY power over its stock form and instead may have to be DE-TUNED to operate properly. We have seen numerous evos that have knock activity on the stock tune. We STILL have been able to get those cars to LOOSE the detonation, run quiet and make more power.

The fact that some cars may not make as much power with the Dyno Flash is NOT an idication that out technology is weak. Instead it is due to my own personal perference to keep things SAFE at any cost. I rather make a bit less power than let something out of the shop with a dangerous tune.

What our re-flash tune offers is a nice and safe increase in power - generally from 22 - 28 whp PEAK and usually 30 whp at 7,000 rpms; while improving the "feel" of the stock power band which tends to fall off after 6,000 rpm. We strive for a smooth trq curve and a linear feel of rising power to red line.

As for my suggestion that you give the drag racing a rest - I was just giving you a kindly hint to help you avoid the MISERY that myself, and guys like Rollaway and Terry have had lately with blown up clutches, broken transfer cases, broken transmissions etc etc etc. The next thing thats going to happen if you keep trying to improve your 60 ' times is your stock clutch is going to wear out - its just the way it happens. By all means - continue on if you must!!!!! See you at the track! I won;t ever stop no matter what blows up !

 

Damn, I thought it was possible but you confirmed it...I got the least improvement from all the cars you tuned...but...back to my question, do you think if I had good 94 octane that day, you would've tuned it for more whp?

If so, what would happen if I ended up putting bad gas after the flash on some other location? Would it cause detonation and harm the engine?

If not, what the hell can be wrong with the car giving such low knock threshold? If you remember correctly, you did say I had one of the stronger stock cars at 235whp...

What if I switched the ECU?