Have you looked at the rugged ridge header for the 2000-06 4.0L's? Near as I can tell they are not euqal length, perhaps they are dyno tuned? -- Mark Price Morgantown, WV 1969 AMC Rambler, 4.0L, EFI, T-5 2004 Grand Cherokee Laredo, 4.7L, Quadratrac II " I realize that death is inevitable. I just don't want to be around when it happens! " -------------- Original message ---------------------- From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker) > " From: Wrambler242@xxxxxxxxxxx > " > " Idealy the single cylinder pipes would all be the same length to start with. > > that would also be the peakiest. since the front half and back half > are even-firing 3s, grouping each separately then combining with a > y-pipe allows you to set different lengths, spreading out the > cross-scavenging peaks. 'tri-y' headers always give the broadest > powerband. > > combining the iron manifolds with a y-pipe would be an interesting > compromise. > > " Should be doable, but no-one has stepped up to that plate to my knowledge! > > that would sure be one mean-looking bundle of snakes... > ________________________________________________________________________ > Andrew Hay the genius nature > internet rambler is to see what all have seen > adh@xxxxxxxxxxxxxxxxx and think what none thought > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list