454 Vortec Spark plugs
#1
Registered
Thread Starter
Join Date: Aug 2013
Location: Chicagoland area
Posts: 22
Likes: 0
Received 0 Likes
on
0 Posts
454 Vortec Spark plugs
I have a 454 GM motor in my boat. block casting number 10237297 which comes up as a vortech motor. I assume that the heads would be Vortech heads, which then would take a longer spark plug. I have been running the Delco MR 43 TS, . But seem to be running really cool at idle. Just wanted to make sure i put in the right plugs, so not to damage the pistons. Serial number of the motor 12568777. Thanks. Dan