[andyl]

Thanks heaps everyone for the info, mine sit about the middle it seems, not much in these cars to reduce weight from (without a lot of sanding) other than driveline.

>boxhead:
>Mine came in at 1150kg without trying to loose weight on the scales.
>That was 600kg rear and 550kg front.[/quote]

Pretty clear indication that alloy works! Nice balance for traction too!.

>Rebel1:
>In my gallery you will find a chart of weights of several WA club cars.
>mostly G-Force and RMC's.

Thanks for that one Rebel, interesting info indeed, especially the first cleveland coming in at just 1142.

>sambo:
>Are you doing power/weight calculations for the drag strip? If not, I'd be
>more interested in torque delivery (eg, traction) and gearing than HP. My 2
>cents!

I'm looking to build a good combo car really, I realise that can mean not truely great at either. More than anything I want a car that gives some resemblance of the experience of what a real cobra is like more so than building an accurate copy.

I confess I used the word horsepower very loosely there, what I actually meant was to start specifying out what I want long term regards driveline and you are correct torque is the better term especially regards gearbox & diff choice as I need to make them soon, even though building the engine will come last. I'm torn between building a smaller capacity engine based on an 8.2" 4.125 block, keeping shorter stroke and building it for biggish revs or going for stroked 9.5" 4.125 to 427ci for lots of torque but with modest rev range. Alloy would be lovely in either of these but expensive and of bigger benefit in the first case. Looking at the weight of the car (and driver!) I'm leaning more towards the later but it has more driveline and legality implications so I'm pretty torn. Having a 427 under the bonnet has obvious appeal too however.

Again thanks to all for replies, especially Rebel1 for the table.

-Andy