B Broughton Club Member May 20, 2023 #1 OK I give in! I have in mind the N42 cylinder head with "square" exhaust ports (280ZX). Why are the two middle exhaust ports in the cylinder head (pots 3 and 4) bigger than the other exhaust ports? Cheers
OK I give in! I have in mind the N42 cylinder head with "square" exhaust ports (280ZX). Why are the two middle exhaust ports in the cylinder head (pots 3 and 4) bigger than the other exhaust ports? Cheers
Kest Club Member May 20, 2023 #2 To create the same volume due to their decreased length before entering the downpipe?
B Broughton Club Member May 20, 2023 #3 Kest said: To create the same volume due to their decreased length before entering the downpipe? Click to expand... Perhaps. I've no idea what the variuos gas path lengths might be.
Kest said: To create the same volume due to their decreased length before entering the downpipe? Click to expand... Perhaps. I've no idea what the variuos gas path lengths might be.