Ok, so a very left field question about SCCA, since I have not autocrossed in 8 years.
But in the "dream" of making a DM car, I was reminded of the Porsche 550 this morning. When I look it up, it specifically does not show up in any P class (which is where a car needs to be listed for EM and DM.
DP does have a line ""Catch-All": Other (4-cyl N/A, RWD, NOC)" - would that give the 550 some legitimacy, and thus allow that body to be put into DM/EM based on the rules? The reason I ask is that it ends up being a short wheel base car that can be mid-engine- it's 82" wheelbase is very close to the Fiat 850. And before you yell at me that the 850 is rear engined, the DM/EM rules allow for rear engine cars to be swapped to mid engined.
Unless things have changed, It probably goes into D/Mod with a weight penalty being a replica. Max displacement is 2.0L, so build to that, or add boost with a big bore stroker and go E/Mod where the minimum weight is higher.
Is there logic to a weight penalty for a replica when there is often nothing left of the original car when building a 'non replica'?
Adrian_Thompson said:Is there logic to a weight penalty for a replica when there is often nothing left of the original car when building a 'non replica'?
To me, there is. There's a "Modified Tub" weight penalty- which is what allows tube framed chassis under a fiberglass body. For the most part, that's all a replica car is. Other than the Lotus 7, I would observe that the entire field of DM and EM carry this weight penalty.
For sure, if the "dreams" I have over this car all include the modified tub weight penalty. And it's only 40lb. So if one was able to drop a Fiat 850 body onto a 80" WB BM chassis instead of using the original and jusy modifying the crap out of it is just 40lb. I'll take that all day- especially when the DM limits look really hard to actually make- for the 2.0l (add 100lb) DM tube frame car, it's 1380lb WITH driver. Which means the car I build could be as low as 1190. How one could make a car that light with an actual production car engine would be interesting. Possible, sure. But hard.
Even harder if you need to keep the original body constraint from the Challenge, too.
My Locost Super 7 has an iron block 4AGE, windshield, wipers, and other street-legal paraphernalia, and is 1275lbs. You can hit 1190.
I think the weight is easy to reach. Most of the Se7ens builds I've read and followed on LOCOST forums seem to be 5/4 scale tanks. This was not just my DD, but only running vehicle for about 18 months. I never weighed mine, but the curb weight was generally accepted to be less than 900lb's. The listed weight was 8cwt or 896lb's
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