Lucky #13...Back in the saddle....92 rt/tt

[Halon]

One of the ones that someone on here designed and sold a few years ago.

[niterydr]

Well this weekend was productive:
Figured out my DOA wideband sensor is actually controller or wiring related, so I need to find time to dig into that, just using the front bank for now.
Figured out my Idle Air Control motor is dead, new one on the way.

Then proceeded to setup a 92 octane fail safe map. I used the full tank of gas in there from October, and the tank was open for a month or two....so in reality it is probably an 85 octane tune, but it will get me by if I need gas to get to the next E85 fill up location.

Then proceeded to tune on E-85 and hit a minor hiccup. The stock clutch is NOT happy any longer, so a replacement is on the way as well.

E-85 results below with a slipping clutch. I know its slipping as it takes more and more RPM to get the same road speed, and the AFR was changing. Hard to know the exact amount of slip, but I will find out.

Don't worry about the peak numbers but the curves are nice!

https://fbcdn-sphotos-a.akamaihd.net/hphotos-ak-ash3/549412_297630890313994_261242433952840_646021_2022 669463_n.jpg

21psi spike, 16psi hold.

[evotuner]

Not too shabby :)

[niterydr]

Graphed the rpm versus mph...yeah it is slipping under projected peak torque (3500) and just continues to slip more and more as rpm increases. Makes sense as the factory clutch is rated to 300whp and I would anticipate this car to be right around there.
:lol:

So...my 6 puck XTD disc should be here today, which is good as I have a southbend pressure plate waiting for it.

[turbotalon1g]

Nice.

[Halon]

XTD disc!!! I have one of those cheap suckers in the Lexus too lol :D

[niterydr]

XTD disc!!! I have one of those cheap suckers in the Lexus too lol :D

The pucked clutches seem to have great reviews.

[niterydr]

Quick update, Had an extra flywheel here, dowel pin snapped off in it :(. So I ordered a stock style replacement as I would imagine the flywheel in the car has more hot spots than the surface of the sun.
Clutch is slipping still but added some timing up top, car now holds 300+hp per virtual dyno to redline :) Can't wait to get the 6 puck in and rent some dyno time at MAP after I break in the clutch.
Also ordered a new throw out bearing as the one that was available cannot be found. Goal is to get the clutch in Friday night/Saturday and then start breaking it in. Finish up street tuning and rent an hour of dyno time sometime before proving grounds. Hope to have the tires on by then as well (should) and we'll see how deep into the 14's I can get ;)

Blue graph is more timing compared to image in post #92, red graph is more timing yet. Problem is with additional timing comes more and more RPM needed to achieve the same MPH so I need to stop and wait for the clutch :angryfire: Good amount of slip noted before 4k and after 5500rpm, power curves and AFR move to back that up :(. The red pull was just a quick check and I hit it pretty late, thus the lazy boost response, just wanted to check the cells "up top". Like I said, nearly time to break in the new clutch after install and see what it does on the real dyno!

[cman3000]

I was planning on going with one of those XTD 6 pucks as well when I was going to do 15gs, they really do have awesome reviews for how cheap they are. I ended up going with a Competition Clutch Stage 2 to get my VR4 back on the road. Not too many reviews on them, but the few people that have them seem to like them a lot.

[niterydr]

Update:

Pulled transmission tonight, found a Napa special clutch (LUK). Looks like flywheel step was off (to high) and the clutch was slipping. Shame as it is fairly new looking....looks like it will be part of a scrap run now.

Also picked up a HKS BOV (Thanks John) to replace the leaking EVO VIII BOV. Haven't tested it, but if it holds more than 19psi I am golden as that is when the current BOV started to leak. Figure that plus clutch means I can maybe get 24spike out of the 9b's and maybe 17 to redline? We'll see after break-in.