thanks David, i was expecting a barrage of "andy don,t be so dumb" responses
i do see your point but as CP16 is only approx 21cm by 27cm the extra weight surely can,t be that much greater ( sorry, haven,t got plates with me at home to weigh them) , i did stop & look at my chassis as i was building the pedal box & almost went & built it in 1 piece,
as its only a small area of increased weight which appears to be easier to fabricate as 1 piece it still may be worth while further discussion, various builders have argued/discussed( word argue said in jest) the pro,s & cons of steel or ali floor so a small piece of 3mm plate isn,t a huge increase in overall car weight.
maybe i,m thinking too far out of the box????? get it???? box=pedal box
andy