jjwood

I'm wondering about prepping my old 911 widebody for SCCA - SSM. Any comments or suggestions?

burglar

I'm not SUPER familiar with SSM, but there's enough freedom in the rules to go pretty nuts. I pretty sure most smaller cars could be reasonably competitive with enough $$ and development thrown at them. I think the hardest part for SSM guys is keeping the cars from breaking.

Here's Carter Thompson's SSM winning rx7 from SSCA nationals. I've seen this car run, it's pretty insane. I've also seen the S2000 that Marc Pfannenschmidt is just getting together run, and that thing looks terrifying.



A 911 was entered and came in 17th and 28th. If you can find contact info for Paul Dornberg he might be able to give you some wisdom for a starting point:

jjwood

Thanks Burglar! Yes I'm in contact with Paul D. Looks like big aero + big wheels would help!

Earlydays

The RX7's are running 3, or 4 rotor engines....

kjchristopher

Eric's black car is three rotor. I doubt Carter's is - looks two rotor. Andy's red car (now blue and running in XP) was two rotor.

I've built one of these on paper. I would not be going the direction that Paul went. Wouldn't use a wide-body, either. One of the car's strengths is its track. I'd look for 275s, possibly on a 15" wheel. Get down to 2200 or less and 350ish hp.

XPC5

I've seen both of the SSM rx7's evolve over the years, and watched many other contenders (including a very strong drive last year by Steve Hoelscher in an MR2 turbo). 300+ hp is a good target, gear for about 65-70 in 2nd. Use light flywheels, wheels etc to help with acceleration. Excellent handling and grip is a must. Even the lighter cars (2000-2500lbs) are running 275, 285, or 315 width tires on 10-12" wheels.

PedalFaster

It's not a Porsche, but here's a good blog outlining what it takes to build a nationally competitive SSM car: http://www.destinationssm.com.

kjchristopher

I'm suggesting 275s to get the 200# weight break. If you can't get down to minimum, you could consider going wider.

cturbo28

I think a good old school 911 ASP set up would work excellent in SSM minus the engine prep. If you could get a good honest 300-350 Hp out of a NA 911 that would be very competitive in SSM. My experience is low in the flat 6 world since I mess with magic triangles. Not sure on the weight rules. I would research that first.

Earlydays

I also think a 914/6 would be "wicked" in SSM

burglar

Looks like maybe it'll be SM instead of SSM. Not sure how that plays out within the rules. From yesterday's release of the Nov Fastrack:



EDIT: Whoops, shows you how much I read the SM rule set. On the exclusion list for SM it still says "Porsche: All." So it would still have to be SSM.

S1MPSONS

Subscribe for SSM talks. It would be cool to see more SSM 911s in the field. Build one.

Regarding RX7s, they are all 2 rotor except Erik/Beth. 4 rotor would be XP.

-Jake
SSM
93 Mazda RX7