Forum Discussion
kw_00
Nov 22, 2017Explorer
Ralph Cramden wrote:Grit dog wrote:kw/00 wrote:FishOnOne wrote:Grit dog wrote:
It is Fish. That's why I have a diesel! Lol.
But seriously, with the current V8s that are all in muscle car territory and some that are blowing away the old school kings of the road, I figured for sure one of the big 3 would have dropped a 7.x liter NA V8 into a pickup by now and claimed king of the hill for gassers.
Ilmor has a marinized 7.4L, full emissions compliant, 87 octane engine making 520 hp and tq. Designed for marine (high load) use.
Put your seat belt on big boy because a 7.0L is coming next year. :W
IDK that's what they say that GM will start putting in there HD trucks a 7.0L version of the LS engine. That would be amazing for sure.
Cool!
Now if they drop it in a new HD Suburban they'll rack up some real sales with it (as long as gas is cheap, lol).
Who is "they"?
Not that I would not welcome it, but a friend I met on another forum who is a long time GM engineer, has told me around the campfire that the reason GM still uses the Gen IV 6.0 Vortec as opposed to the Gen V 6.2 Ecotec in the HD's, is due to its cast iron block / stronger bottom end as opposed to the 6.2 Gen V aluminum block. GM considers the 6.0 Gen IV a "heavy duty" piece. That's despite the Gen V 6.2 having better numbers. I suspect thats why Ford uses their 6.2 with cast iron bottom in the F-250 also instead of some aluminum blocked higher displacement version of the Coyote or something.
This thread got my curiousity up though and I emailed my friend to see if he has any scuttlebutt on this 7.0 in the pipeline.
Glad to see that your checking on your source. I spoke to our local dealership about the newer HD models coming out in the future, He is under the impression that a 7.0 L will be introduced in an iron block version and used In the HD trucks. Yes your correct in the 6.0 being an HD engine. It's used in different trucks other then the 3/4 and 1 ton series. It's been a great engine for sure especially with the newer trans.
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