Originally Posted by Wally

I wonder why Merc is pushing the Overhead cam setup when GM decided against it when they designed the LS based engines? Dont get me wrong i like the technology of it...but i remember reading an article where GM was deciding on which way to go when it came to the pushrod engines and the decided to keep the push rods due to the fact the overhead cam engine need to rev higher to get the HP numbers and the "seat of the pants" feel of the overhead cam engines felt that they needed to rev the engine higher to get the same torque out of them compared to a pushrod V8 (again this was an article i read somewhere so dont hold me to this)
Remember that GM did have the DOHC engine in the ZR1 back in the early 90's ....GM claims they got rid of it due to cost and OBDII issues with emissions though......but since the new GenV LS motor is coming out in Jan and still continues to be pushrod i have to wonder if the OHC setup is worth it......

Originally Posted by mike tkach

that engine with a imco scx in a 26 american offshore cat would run 90 plus i think.

Originally Posted by endeavor1

Wish Mercury would put this kind of effort into developing a better bravo drive and curing the junk gear sets that exist today

Originally Posted by iliveonanisland

Merc assembled those dohc motors for.chevy and i think did all the alum castings too