I've been looking through the 2008 Solo II handbook, and I was able to answer most of my questions, but I still have some things that I was hoping you guys could clear up for me.
Looks like most bushings are acceptable, what do you guys run?

Is the Whiteline Steering Precision Kit legal?

Thanks in advance guys!

 

I don't think so. I have one and didn't install it because it uses spacers to get more clearance to install the bushing.

 

^ok thanks. What about the other bushing kits?

 

You can install it (Whiteline Steering Precision Kit) without the spacers and by modifiying the big bushing to match the OEM thickness. It does all fit correctly. Honestly though, the mod is not worth all the effort as there is no real change in steering feel.

 

Ya that's what I've heard. What about the other bushing? What do you guys run?

 

That is a good question.

Anyone want to pm me exactly what is says in the rule book, please.

Jon@TRE

 

Section 14.12
5. Only standard (as defined in Section 12.4) limited slip differentials
(LSD) are allowed on AWD vehicles. For AWD vehicles that
did not come with any type of limited slip differential (including
center differential or transfer case), a single aftermarket LSD may
be added. 2WD vehicles may use any LSD unit.

Section 12.4
12.4 STANDARD PART
An item of standard or optional equipment that could have been
ordered with the car, installed on the factory production line, and
delivered through a dealer in the United States. Dealer-installed
options or deletions (except as required by factory directives), no
matter how common or what their origin, are not included in this
definition. This definition does not allow the updating or backdating
of parts.

I would think it would mean it isn't legal ... PMing you Jon ...

 

Thanks

 

Does anyone know the official Mitsubishi specs for the rear diff rebuild or is it a replacement unit only. I know on the F-Stock mustangs the guys could rebuild their rear diffs to tighter factory specs. It made a HUGE difference. I wonder if a rebuild to the Nth degree of factory specs could be done. It could be technically legal. Totally speculating, but it's worth clarifying.

 

Bump for more info on what bushings are allowed...

 

I'm with you on this one Dave. I would imagine it would be legal but, are the tolerances there to allow a significant advantage is the question.

 

Back from page 3 with a power question!

I've been running STU locally with a pretty stock car (05 RS), but the intent is to prep it for STU. A few weeks ago I put it on the dyno, completely stock, but the results don't look normal to me. I'd like to determine if my ECU is stock, or if a previous owner had flashed it and didn't tell me.

Power vs Torque (note that the scales are different). The curve isn't very smooth up top, but that's exactly how it felt when driving it. Unfortunately I've never driven any other Evos for comparison!


Power vs Boost


Power vs air/fuel


Thoughts? Does this look like a stock Evo dyno plot?

After the dyno I put on a turbo-back with a high flow cat. Power delivery is much smoother up top, and the increase in power is significant. I've been running in BSP lately just to be on the safe side, but that's not really where I want to be right now.

Edit: The car hasn't been back on the dyno since I put on the exhaust, so I can't compare those numbers yet.

 

228HP sounds about right for a stock car. But you might want to ask one of the tuners (ams, buschar)

 

Caffeine Slug: Powerout looks similar to that of a stockish EVO8, anywhere from 215WHP to 230WHP. Ofcourse the type of Dyno (Eg: Mustang, Dynojet, Dynodynamics) and atmospheric conditions make a difference.

What do you guys think about the new STU legal TRE rear diff?

http://www.teamrip.com/GENUINE_FACTORY_EVO_PARTS.html

Legal? Not Legal? Would you run it in STU and potentially take the chance of being protested?

 

the service manual lists very specific tolerances for rebuilding the diff. very easy to defend a protest with, assuming of course you are within the tolerances. I see nothing wrong with being right at the best end of the tolerances though.