here

Guess they don't come much lighter than that...

You're going to worry about its longevity though, especially when you start throwing petrol and sparks around

Cheers
Richard

What about this one for the smaller build

http://www.weberprecision.com/

Similar to these people...

http://www.conleyprecision.com/prod01.htm

who also make a 1/4 scale replica of the dodge viper engine

http://www.conleyprecision.com/1_4_scale_viper_v-10_engine.htm

Prices might make you though!

David