ESP/SM classification......

[mrevilracing]

I picked up the conversation over here from Points Update?. We went off on a tangent there and need additional clarification.


It looks like the gears are allowed.

17.10 ENGINE & DRIVE TRAIN
R. Final Drive
1. Alternate driveshaft(s) may be used. Any driveshaft assembly
may be modified to permit the use of an alternate transmission.
All non-stock driveshafts must be made of metal.
2. Any gear ratio, limited slip or locked differential is permitted.
Final drive units which permit ratio changes while the car is in
motion are prohibited.
3. Any axle tube, or final drive housing is permitted.
4. Any drive axle shafts, bearings, bearing carriers, hubs, and
universal/CV joints may be used.
5. “Loops” may be installed to prevent the driveshaft from contacting
the ground in the event of shaft and/or Ujoint failure.

The subframes also seem to be allowed.

17.2 BODYWORK AND STRUCTURE
The purpose of the following rules is to maintain recognizable
external features of the manufacturer’s make and model, while
providing the necessary safety and performance modifications.
Restrictions regarding external body shape and belly pans are aimed
at preventing attempts to obtain ground effects or streamlining.
A. The external shape of the body may only be changed where
specifically authorized. Standard window openings, rain gutters,
or approved facsimiles shall be retained. All external trim and
model identification may be removed. Grilles may be removed,
modified, or substituted.
B. Chassis, frame, or subframe may be reinforced, provided components
and attachments are not relocated except where specifically
permitted. Reinforcing does not authorize the use of belly
pans forward of the firewall, or aft of the front edge of the rear
wheel opening. It is permitted to have jack points recessed into
the rocker panels, or to have one tube per side extending downward
through the bottom of the door, provided they do not extend
beyond the overall width of the car or in an unsafe or dangerous
manner. No part of the bodywork or chassis, to the rear of the
front wheel opening, shall touch the ground when both tires on
the same side of the car are deflated.
C. The chassis, frame, or subframe may be notched or cut and
brackets may be added for the purpose of attaching alternate
suspension or drivetrain components, except that the firewall may
not be modified for engine block or cylinder head clearance. Holes
may be cut to provide clearance for authorized suspension and
drivetrain components, through their entire range of travel. Additional
structure may be added in order to attach allowed components
to the chassis.
D. Replacement of any chassis component (e.g. subframe) in its
entirety by one of alternate construction, unless specifically
permitted, shall result in the vehicle being “in excess” of these
rules and weight penalties and/or competitive adjustments may
apply.
109
E. The floor in the driver/passenger compartment may be modified
for installation of subframe connectors, exhaust components, and
for driveshaft clearance. When modified, the driver/passenger
compartment must remain separate from any exhaust and
driveshaft components. The modified area must be steel or aluminum
and no more than a 4 in. clearance is allowed between
modified floor area and exhaust, or modified floor area and
driveshaft components.

The difference between subframe connectors is in length. The Mach actually comes from the factory with a set of subs. They are bolted on and made of square tubing. The Steeda subs are also made of square tubing and have been welded on, yet don't fall into the 'alternate construction' catagory, like the Hans subframes do. http://www.hansracecraft.com/product/fo ... ng-sfc.htm

The only mod that could be questioned is the 3pt strut tower brace. I can't find a strut tower brace mentioned anywhere in the rules. I've done a search for it and can't seem to find it. However, 17.2.B B. Chassis, frame, or subframe may be reinforced, provided components
and attachments are not relocated except where specifically
permitted. I would argue that I am simply reinforcing the strut towers with the brace.

Steve

Post edited: Mark, you're correct. Rules pulled from Prepared.

[jerdeitzel]

Um I believe your reference points are for perpared catagory. Street prepared is section 15. Welcome to the land of misfit toys!

[Mark Aubele]

Yeah, what Jeremy said. If the subframes were factory type (i.e. mach 1, convertible) they would be legal, but the weld-on type are illegal. Street Prepared is a different set of rules from prepared. The SCCA is pretty cryptic.

[mrevilracing]

Yep, I saw the Prepared rules and missed the Street Prepared rules. My mistake! Sorry 'bout that Mark. jerdeitzel, thanks for pointing that out.

[jerdeitzel]

Your welcome. The one thing about SM is that we usually have a fairly large number of racers. It really is a fun class to be in. You can get to compete against just about anything.

[mrevilracing]

Hopefully I'll be competitive there next year. I need more hp for that class. I'll work on that.

[brandonl]

Yup yup, SM is where the wacky stuff comes out. Hopefully I will be back there later next year. Speaking of, I have some Evo related questions for you Jeremy

Brandon
#79 VW Golf

[jerdeitzel]

Fire away about the questions. If your looking to buy one i suggest its a good idea. .

[brandonl]

I have one, its my street car. Im taking it to Pocono for its first TT day in a couple weeks.

Whats you email address?

[jerdeitzel]

sweet, I never knew. You already kno the joys of the car then. LOL.

Here is my email.
jerdeitzel@comcast.net.