BoxheadTim said:From memory, 850 Spiders were reasonably successful in the tiddlers classes of SCCA racing, but I don't know if that carries over to the autocross side.
For DM, it's less a measure of the original car and more how the original car layout forces compromises in terms of chassis/suspension design,
Here's one. Rear engined and a two seater as well.
https://www.racing.ca/?section=view_post&id=1480&title=Hyper+Legend+highly+modified+mid-engine+road+racer
Transverse mid-mount Yamaha 700cc Viper 140hp engine (fresh) driving through sled VRT clutches. Also zero time on my fresh Ian Tomassi SRX 780cc 180hp engine. Chassis stretched 96 inches for better handling on road course, and widened 13 inches to accommodate engine in backseat. Handles like a GoKart! One hour testing on this all-new car.
Inboard coils and shocks all 4 corners. Rear suspension and aluminum uprights from LeGrand Formula Ford. Spool hub in the center drives special VW dune buggy 42 degree CV joints and VW halfshafts. Front aluminum uprights from mini-sprints. Wilwood four piston calipers clamp Wilwood 10-inch scalloped discs. Wilwood dual master cylinders. Fuel cell. Two Kirky aluminum seats with belts.
Since C4 parts were mentioned I'll jump in. :)
I'm building a second one of my Cheetah Roadsters right now. It uses C4 suspension in my space frame. I'm putting a LS1 in it. Just had machine work done and rebuilt it. I have a lightweight body. It will weigh with all fluids about 1750lbs. If I delete the windshield and heavy side pipes and put other parts on a diet I think I can get it into the 1600lbs. Still not a light weight but close to the original Cheetahs weight with what I believe to be a stiffer frame.
I'm having fun driving my car. I've put about 4000 miles on it this summer.
Good luck with your search and build!
In reply to jmc14 :
That looks like a Fisher Fury on steroids. Me likey.
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