Dynoflash - nope. From Al's post here: "we simply retard the boost taper and stop the ecu from pulling the boost down to 16 psi as it does on the stock car"

Works P1 - maybe. Works has always in the past been very coy about disclosing what changes the P1 makes to boost, if any. To the best of my knowledge, they've never actually come out and said that their P1 reflash does not change the operation of the boost control solenoid. And by SCCA rules, the burden of proof is on the protestee. If you've got a Works P1 reflash and you are protested in a Street Prepared class, I'm not sure how you're going to prove that the reflash didn't touch boost control -- considering that the company hasn't provided any guidance. (Works P2 is definitely not legal in Street Prepared.)

XFlash - nope. From Vishnu's web site: "XFlash offers a higher rev, boost and speed limits as well as carefully revised boost."

 

Thanks all... figures, I want the P2 flash - how bad is SM? How much off the pace of the top SM cars are the top ESP cars usually?

This is more about me getting better. I'm used to not being first... *laugh* But I'd like to understand what I should shoot for.

This input is all great, folks, thanks alot!

 

Well from my list I would remove the trunk bar, and Triangulating bars for the RSTB.

The type I bar I am going to put in a call to Don Gill AT SCCA to see what they have to say, I am honestly not sure.

Sway bars will help with the wheel lift, as will higher rate springs (t some extent). The thing that will affect Tire lift the most is the driver however. Smoother entry and transition into the sharper corner will improve you time more than the car staying flat and tossing out the rear end.

 

JB your right, I forgot about Al’s boost taper comment. As far as the Xflash goes I got the impression that you could have it done without boost control (that it was an option).

As for the WORKS P1, since boost control was never included in their promotion I assumed it was never there.

And I whole heartedly agree with you on their lack of information and guidance, I’ve since purged the car of all their products with the exception of the Aperture and have gone back to the basics and started over with a new tuner, myself.

Rick

 

Even a bone stock Evo (with appropriate tires) is capable of doing well in SM at the local level.

Twice last year in local events, I ran fast enough in A Stock that I would have won Street Modified. It would have been three times except for a cone penalty.

Among National championship contenders, there is really no comparison though. The top SM cars are significantly faster than the top ESP or AS cars.


If you truly don't care about being competitive, go ahead and get your reflash and run SM. You'll have fun; the class is typically very diverse, with all manner of cars of all different prep levels. The SM rules are very permissive -- you can basically do anything you want to the engine except run nitrous.

Not that I think the Evo can't be a nationally competitive car in SM, but you did say that you have more desire than time or money. Building such a nationally competitive SM Evo will take both time and money. Don't ask me how I know...

 

...since we're touching on various classes, is STU the same (for ECU mods) as ESP?

Thanks
Rick

 

Good question, BatEvo. I assume so but it remains to be found out.

I'm assuming that a front LSD wouldn't do any worse than SM, yes? THAT, I would think, could be a big help...?

Thanks again all - you're awesome!!!

 

I remember hearing that any brand front LSD is legal in ESP and with update/backdate rules, would be legal in AS as long as it was the LSD from the RS Evo.

 

ST has very similar ECU rules to SP. They are worded differently, but the effect is almost the same. With respect to a reflash, I believe that any SP legal reflash would also be ST legal.

One difference is that ST requires that the reflash meet DOT emissions standards -- SP makes no such requirement. I'm not sure how this would ever be enforced, but that's the rule.


As far as the front LSD, you are free to use any differentials in SP, stock or aftermarket.

In A Stock, the front LSD from the Evo RS is not permitted in a non-RS Evo unless you completely convert the non-RS Evo to an Evo RS. There is no update/backdate in Stock. You would have to completely convert the standard Evo to RS specifications (within comfort and convenience allowances). For example, you would have to replace the standard Evo's ABS system with the non-ABS system from the RS. You would have to remove the wing and install a trunk bar, etc. Perhaps you'd have to remove the Evo's HID headlights and install the RS headlights -- I'm not sure if comfort & convenience covers headlight swaps.

 

Thanks JB for your timely, accurate answers, you’re a big help to all of us.

Rick

 

But ... any LSD in SM, yes? and thanks...

 

Yes, any LSD is permitted in SM, for at least two reasons.

First, from the SM rules: "All Street Prepared modifications are allowed."

Second, from the SM rules: "Drivetrain and related components ... are unrestricted except for the following limitations:" (followed by two limitations, which in the case of the Evo, basically say that the engine must be a Mitsubishi engine and that the car must run on gasoline, propane, or CNG.)

The differentials are part of the drivetrain, so they are totally unrestricted in SM.

 

This year I have been running in the top 3 in ESP. My times would place me in the top 3 in SM as well. Your results may vary.

 

the problem verification. How do you verify that the ECU is properly programmed when your protested? Do you want to bring a laptop and specialized software to each autocross?

Listen to JBrennen, he knows what he is talking about.

If you have questions about the rules you can find a printing of the solo2 rules at this site.

The rules as they apply to the EVO can be found here
SCCA autocross rules as they apply to the EVO (sponsored by norcalevo.net)

 

Just a few things to add to your page over there:

- The Evo is legal in SM2 (as is any other SM-legal car). If SM is particularly strong at an event, it is possible that SM2 might give you a better chance to win or to trophy.

- The Evo is legal in E Modified. The rules in EM consist mostly of safety rules and a weight limit -- AWD cars must weigh at least 1700 pounds. (That should be no problem for any Evo.) A few things are prohibited, like traction control and non-stock wings. The car must remain externally recognizable as an Evo. It is probably impossible to make an Evo nationally competitive in EM due to the dimensions of the car -- wheelbase, track width, and weight. Nevertheless, it is a class where the Evo can play.

- The Evo might be legal in A Prepared under the catch-all for forced induction cars. As a NOC (Not Otherwise Classified) car, it is probably not legal for national competition in A Prepared. Note that at least one feature of the stock Evo is illegal in any Prepared class -- the intercooler water sprayer. There is no allowance in the Prepared rules which allows you to use the water sprayer -- Prepared does not inherit the Stock rules. If you think you want to run legally in A Prepared, you probably need a rules lawyer.