Re: GT40 Tubular upper
Can you just port the lower manifold i.e just 1 and 5???
I was just going to use my dremel to smooth all the edges and surfaces when I take the manifolds off to put a cam in, will this have any major benefits.
FOR SALE...... $22,990
AUII XR8 (200kw), Silhouette, Body Kit, Hawk Wing, 5 Speed man, Premium Brakes, Premium Sound, Genie Extractors, 3" exhaust with twin 3" tips, K & N filter with air scoop, Polished Inlet manifold, MAF & 70mm T/B, T series interior handles & Gear stick ring, Chequer plate, Momo Pedals.