Originally Posted by
PAUL S
Apples for apples a new alloy block is about £2k more than the same spec new 200 block, after that all the add ons apply to both anyway!
So a fully built up like for like engine is just £2k more going the alloy route.
They weigh half that of a 200 block, in my single seater 25kg is a massive saving which is why I sold my 200 one and plan to replace it with an alloy version.
Be more than 2 grand if done properly soon adds up. I payed 500 for a block 1500 for liners 250 for a standard crack. 2 grand for pistons and rods 700 for long studs I think and about a grand for machining that included a line bore on the crank journals. That's 5 1/2 grand that block will be good for 650-700 bhp im told. With out doubt the alloy is far better you can have more cc and go strocker. But will cost a fair bit more than 2 grand extra or I'd be doing it.
Last edited by ajamesc; Dec 31, 2016 at 05:15 PM.