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mattmacain
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Lotus Sevens and their clones:
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Greetings all,
I am a fresh new member, having joined only today. I drive a Birkin "SS" and it is strictly a track car and not legal in any way for street. These are very quick right out of the box, so if you have any racing genes in your system you have to wonder what they would do on the track. But be warned, it's a slippery slope from a street only car to a track only one, I know because I started sliding on that slope three years ago.
I might add I first started SCCA racing in 1966, since then I raced FP, FV, FF, FB, SR, and my favorite, Formula Atlantic. I have gotten many components from MSS and found all to be everything they were expected to be. The crown jewel is one of their "ultimate heads". That is probably the quickest path to screaming power there is, it's just awesome the way it changed the car.
There are a number of "clones" out there such as Birkin, Caterham, and Westfield, along with a lot of lesser known ones. We are all using the twin-cam Zetec, but the coming thing are the Duratecs. I see that MSS is now offering that engine with some outstanding power.
I'd like to hear from other Seven owners and encourage them to join us here. I do all my own work so I know the Seven and the Zetec like the back of my hand.
Just thought I would create a new topic as well as introduce myself,
Regards,
Folis
Folis Jones
Suffolk, Virginia
Glad to have you on board, Folis!!!
Post some more pix of Maggie for those unfamiliar! Whats curb weight again on these amazing machines, 1300-1400lbs?
That vid of you chasing the Porsche was a good one too. Very easy to post vids on these forums.
Lets try this again....
I'm in my 7th year building my Lotus XI replica, "Invincible II" around the Duratec 2.3L. I bought the motor, then went looking for a car to build around it.
The target weight/power is ~7 #/hp for the first season. Once I get the suspension dialed in, and learn to drive the car, I will twist more out of the engine.
The chassis is based on Ron Champion's "Locost" design, with custom front suspension, and an 8" stretch to fit my legs.
You can see a video of the engine being calibrated on the dyno at:
It has been helpful to have Massive around during this build. The internals are mostly stock, with uprated rod & head bolts. I added individual throttles, Cosworth dry sump, AL flywheel, and electric water pump. Hope to get it on the road Summer '10.
Good to see you on here, Mark! Car is looking great!!!
Welcome!
Who I wouldn't kill to get my hands on one...
Longtime autoX and track day enthusiast in the San Fransisco Bay Area...
I bought a 2003 Superformance S1 Lotus 7 replica last October. It has the 2.0 Zetec, Weber fuel injection, Type 9 5-speed. Of course looking for more power, preferably supercharger system... fully street legal and titled SB100 as a 1965 replica, no smog.
Comments on supercharging, welcome!
Joe
Welcome aboard sir!
Sounds like quite a ride! Pix!
There are/were a few bolt on SC kits for the Zetec:
PowerWorks - Eaton M62 intercooled
Jackson Racing - Eaton M45 non intercooled
Procharger - Centrifugal
Vortech - Centrifugal
All are designed for a FWD EFI layout tho... The centrifugal options would lend themselves to customization and greater mounting varietals. You'd have to make an air box for your Weber setup. Not impossible.
I'd TURBO that bad boy. :)
I purchased an unused Jackson Racing kit. Hope I don't have to make hood mods. Here's some Superformance S1 pics...
Jeeez. I dunno. That's gonna be tight for sure. How will you run the EFI? Stand alone?
I'm not sure until I inspect the kit. Currently the car has a fixed map Alpha Gold EFI from Webcon in the UK. I bought a Halteck system designed for just about anything and comes with harness and full Windows setup access. SW even learns. The JR system comes with custom intake that twin screw bolts to. The kit appears to use the stock Focus throttle body using an adapter. This should be an interesting project.
The reason I went with SC instead of turbo is that I autocross and want instant boost, even though technology has gotten much better on turbos now. I really didn't want to mess with the nice exhaust on the S1.
Joe
Thats one badass lookin car right there man.
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