Dave's Evo X Build/The Life of Dave blog - Page 111

**Tachyon** · 06-15-2012

Nice! Overnight parts, from Japan*

*'merica!

**Murlo26** · 06-18-2012

I am officially throwing in the towel.... (edit: for PG only, not the evo in full haha)

I had to do some work (as in work, not car work lol) over the weekend and that coupled with fathers day = no time for car work.

Also I was going to take friday off and next monday to prepare for proving grounds and recover

That got axed as work is INSANE right now. So my tune is just not ready at all and neither is the car mechanically and this week just isn't going to give me a ton of time to finish it off.

So I am not about to try and rush the car and go to PG to beat the piss out of it with a tune that isn't really ready, just ain't happening. As much as I would love to go, I want my first track experience to be fun and not filled with agony and a tow home.

Good luck everyone else though

I will be heading to slippery falls in the coming weeks though.

turbotalon1g · 06-18-2012

Good decision, but what do you need to do?

I thought it was good to go on pump gas?

**Murlo26** · 06-18-2012

Quote:

Originally Posted by turbotalon1g

Good decision, but what do you need to do?

I thought it was good to go on pump gas?

No, we had to make tuning changes to lower load as I was hitting 330 load at 24psi on pump gas. So we had to do injector and MAF rescaling then it still was hitting too high of load so we were going to do some more rescaling and also raise base idle pressure to add fuel and in turn reduce load further.

Our goal was to have load be around 275 on pump gas where I was so we have room on it for when I do the E85 tune.

Why do we need to lower load you might ask, well there is a hard coded load cap at 360 in the ECU, so you cannot go higher, so we are trying to make sure we don't hit that.

So when we tried raising base pressure is when we found an issue with something (not sure yet) and realized pressure wasn't increasing enough. So until I figure out the fuel pressure problem and get a full retune on pump I wouldn't be ready.

In theory I could revert to my old setup that I had last week and refine that tune a bit, but I don't want to waste my tuners time or my money for a tune that is just temporary. I'd rather fix everything and get it running properly.

**Kracka** · 06-18-2012

What a hassle

**Murlo26** · 06-18-2012

Quote:

Originally Posted by Kracka

What a hassle

Yes, true, but self induced...I didn't need to go this far with the car

I have learned that running this power on a 4 cylinder takes a lot of extra care/time to get right...so I am trying to take my time.

I still feel like progress is being made...I'll get it soon I think.

C3L1CA · 06-18-2012

You going to slippery rock on a sport compact day?

I'm probably going to take my bike out to one before too long.

Good call on not beating on the car with no good tune on it!

**Murlo26** · 06-18-2012

Quote:

Originally Posted by C3L1CA

You going to slippery rock on a sport compact day?

I'm probably going to take my bike out to one before too long.

Good call on not beating on the car with no good tune on it!

Either a sport compact day or test and tune day, whichever is first and works with the schedule. I'd prefer a test and tune day as from what I have heard you can get more runs in and also those have had better track prep's (maybe, lol).

But I am down for whichever.

Honestly my first few runs are going to be rolling the car off the line...for pure trap speeds. then I will take a shot at launching the car. I want to try and get a good trap speed before I break anything

**Tachyon** · 06-18-2012

So are you still coming to the PG regardless?

**Murlo26** · 06-18-2012

Quote:

Originally Posted by Tachyon

So are you still coming to the PG regardless?

No sadly, I have like real work I need to knock out, which is why I can't take vacation too.

Any free time I have will be used to work on the car and/or relax.

I need to really catch up on some projects otherwise I won't be able to take the time off I wanted to around 4th of July either.

**Tachyon** · 06-18-2012

Shitty

turbotalon1g · 06-18-2012

Don't worry man, plenty of time to hit the tracks this year. Plus racing an untuned car is retarded. Take your time and as long as you are making some progress its all good.
Although I was looking forward to seeing this in action, I can wait.

**Murlo26** · 06-18-2012

^Got a GoPro Hero2HD now, so I will have plenty of film of when I finally go

turbotalon1g · 06-19-2012

Quote:

Originally Posted by Murlo26

^Got a GoPro Hero2HD now, so I will have plenty of film of when I finally go

Nice, I was looking up track days and 7/13 & 7/14 seems to be the next open days. Well that I can go I think the 7/1 weekend has some too.

**Murlo26** · 06-19-2012

Quote:

Originally Posted by turbotalon1g

Nice, I was looking up track days and 7/13 & 7/14 seems to be the next open days. Well that I can go I think the 7/1 weekend has some too.

7/13 and 7/14 seem like a good weekend to shoot for, gives enough time to make sure its running tip top. And gives me time to get a helmet...I want to go try some on.

Knoxville · 06-19-2012

If you get the week of the 4th off, you better be at my Dyno pulls at DB

**Murlo26** · 06-19-2012

Quote:

Originally Posted by Knoxville

If you get the week of the 4th off, you better be at my Dyno pulls at DB

I'll be there, so I can watch you blow up on the dyno

Muhahahahaha.

Update:

Check valve in, of course the main pump was switched from what I expected it to be (it wasn't the stock bulkhead) so changed my design a bit. However it's in and working!

Hard to tell from the last pic, flash reflected off the glass. But over 50psi at idle now

Before I had the regulator bottomed out, as in max pressure, wouldn't go above like 42..now it's backed off some and over 50psi...so looks like problem solved!

Oh also picked this up...prolly best $20 ever spent.

No more stupid logging cable in the way of shifting, yay. Back to tuning!

**Murlo26** · 06-20-2012

So I logged the car with ~63ish base fuel pressure and it didn't produce the results we really wanted at all, car was adding fuel all over.

So I am dropping it down to a base pressure of ~50 and we are going to go from there.

On a plus side, the car seems to be quite a bit better when shifting, like no delay, not sure if that is from better fuel pressure but it seems better.

Also, there is a HUGE improvement in starting!!! The car used to take like 3-4 seconds of cranking to start and now I know why, fuel was dumping out the other pump. The car now starts almost instantly, feels great.

**Murlo26** · 06-22-2012

Back to ~50psi base fuel pressure now. Car is driving great again! Nearing the end of the pump gas tune.

However, I apparently run out of gas at 1/4 of tank...lol. Got stuck in a papa murphys parking lot with 1/4 of a tank of gas. I put 3 more gallons in the car after my bro picked me up with a gas jug and it fired right up again. I am going to rework my pump pickup eventually but for now I will keep the gas level high.

However, running into a bit of knock up top that wasn't there before (aka last week). I think its probably from the shitty super america 92 I put in to top the car off. I wasn't near a BP station so I figured I'd put that in for now and then fill the car up at bp...guess that gas really sucks as it appears to be affecting the tune somewhat.

We tried leaning the car out from 11 to 11.5 to see if it was rich knock, helped a bit but still there. I now have 2 maps to try, one with lower timing one with higher to see if those change it. The higher timing is because evo x's for whatever reason tend to act up if you don't give them enough timing...i know last fall the car was even breaking up from too low of timing, then Shane added some and it cleaned up right away.

Car is at ~450whp or so on 22psi with knock so hopefully I can get about 475ish and clean on 22-24psi and then call it good for pump gas then get to the real shit.

More to come.

edit:

here is what the logs look like currently for those who care to check them out. Looking again it just might be too much timing for 93oct on my 10:1 comp, so maybe the lower timing MAP I have will clean it up as the car is perfect until it jumps up a degree in timing.

Green = timing
blue = boost
orange = afr
red (or brown or whatever the hell that is) = knocksum

**Murlo26** · 06-25-2012

Back on Corn...first corn MAP...500whp at 23ish psi...back to the fun zone!