jt-sport

Twin Scroll Exhaust Manifold Pairing??? Papadakis exhaust strange..



with our 4 cylinder firing order 1-4-3-2, the best pairing for twin scroll manifold was 4-1 and 2-3, then dumped out in the turbine divided inlet housing.

But, i saw a stephan papadakis exhaust pict (dont remember what chassis on it, but its yellow honda), they do 1-2 pair and 3-4 pair, then using two long runner before attached to the turbine divided inlet housing, just like long sequential 421 header in All motor.

is there something "new tehc" on stephan papadakis exhaust?
from what i know, we should pair the exhaust runner from the most far firing order, thats why 1 paired with 4, and then 2 paired with 3.. so the exhaust pressure from cylinder wouldnt effecting much back pressure to the other cylinder in the next firing order cycle...

i plan to build a twin scroll exhaust for my BWS366xl 2.3 motor....
please gimme enlightment..

thanks

IN VTEC

iTrader: (3)

Your firing order for cylinders 3 and 4 are reversed.

jt-sport

yes i mean 1342

jt-sport

yes i mean 1342

jt-sport

http://www.superchargeronline.com/im...l/DSCF0073.JPG
look at this.. this is uncomon pair for 1342 firing order..
it just sequential like NA tri Y 4 cilinder header..

why is that???