Thanks Jack, not sure of the exact version of manifold, I believe its from an R300, cast alloy version, thought it would do rather than make one. Scratched the Word Caterham off it and a bit of crinkle paint added Has a 70mm throttle body attached to it (from a 4.6 mustang I think)

Newman 278 cams, heavy duty springs and retainers. Cosworth pistons, williams Motorsport rods Mahle bearings Cometic head gasket Raceline sump cosworth oil filter housing Rotrex blower, awaiting a race alternator and brackets

Estimated 300-320bhp, it'll do