Search found 92 matches

by 1995 390 express
Fri Jul 29, 2011 3:55 pm
Forum: Trojan Boats Forum
Topic: new owner general engine questions.
Replies: 27
Views: 3141

don t know if its to late but i just went through the same issue on my boat with twin gm 454 s and the firing order on intake manifolds mean nothing. they only manufacture 1 intake with the same stamping for left hand rotation. check the distributor itself and compare both engines. plug wires will b...
by 1995 390 express
Wed Jul 27, 2011 5:08 pm
Forum: Trojan Boats Forum
Topic: 454/8.1L production blocks no longer available...what now?
Replies: 23
Views: 3634

hi as far as i know there are plenty of 454 and 502 gm engines available in left hand rotation. they have brand new crate motors as well as remanufactured long blocks and for right hand rotation there is just remanufactured long blocks. most of the remans require a block exchange or core charge and ...