Quote:
Originally Posted by 2010reddevil
Are you ****ing kidding me? The Coyote weighs a whopping 12lbs, read that again, 12lbs FFS! Since when is that a monumental weight difference? If anything, it showcases Ford's ability to make a "complicated" dohc V8 that weighs damn near identical to a much simpler 2V. You can't remove cams/valves from an engine that already has 4 dumbass. You CAN however, use a competing engine that has similar displacement, as in the 5.3L vs the 5.0L. This is the whole point of the Mod motor vs LSx. Yes, GM used the pushrod 2V architecture to make sure it had displacement on its side. Ford didn't want to or need to redo all of its tooling to make a physically bigger block when they got their power goals done by modifying existing tooling and making better top end components. Bore centers are the only advantage the LSx has on the Mod Motor for displacement sake. Why do you think GM just went bigger with the 6.0 and 6.2L? Because they couldn't meet their target power goals and meet emissions standards with a 5.3L. Plus, they were using existing tooling as well, just like Ford.
The engine masters competition that had the Mod Motor vs LSx, the one where all the stops were pulled and the Mod Motor got all 3 podium finishes.........yeah that's right, 1st, 2nd and 3rd place owned by the Mod Motor. Level playing field between the 2, 4V dohc will ALWAYS make more power than a similar displacement pushrod 2V. That's why the 400 cu in Mod Motors were making over 600ft lbs of tq too, but dohc don't make torque, right? The LSx is the modern SBC. It's in junkyards all over the place so yes, parts are cheap, engines are cheap and everything is just plain cheap. Doesn't mean it's necessarily better, depends on what your goals are really.
Don't be ass hurt because a Coyote would curb stomp the shit out of a 5.3L N/A or boosted otherwise. I've been around both sides and know the advantages and disadvantages of both. To be blatantly brand biased and ignorant of the others is just plain............stupid.
We can carry this back and forth, the difference is I have experience on both sides, you don't seem to have any at all.
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You completely missed my point. Everyone wants to talk about how the Coyote makes more hp/l but then doesn't want to compare engine weight per liter because it doesn't favor the Coyote. In the real world, hp/l really doesn't mean much, especially when comparing two different architectures. The Coyote makes more hp/l than the LT1, yet the 5.0 is slower than the SS by a good amount. The previous gen SS got similar mileage to the 5.0 despite making less hp/l and being in a heavier car. I mean, I could find some small displacement 4 bangers making way more hp/l than the Coyote. Does that mean the Coyote is garbage?
DOHC engines should make more hp/l as a function of their design. Handicapping the LSx at 5.3 liters makes no sense because it is negating the biggest benefit of the OHV arrangement. If you are stuck with displacement caps, like racing or government regulations, then DOHC makes more sense because it will always make more power for the same displacement. If the only concerns are weight and packaging, then I believe OHV is the better choice. For the same power, it will be generally smaller and lighter while making more torque than a similar DOHC engine.
Again, the Engine Masters capped displacement. There is no way a OHV engine can compete at the same displacement. Why limit the LSx to 400 cu in when there are factory LSx in the 427 range and aftermarket blocks in the 500+ cu in range? That's going to put the LSx at a big disadvantage. If they had done the same challenge but limited rpm to 7000, then the Ford guys would lose their minds because DOHC is better for spinning at high rpm.
LSx is cheap because it's in many vehicles. The Coyote is expensive because it's not. That's the way things go. That doesn't make one better than the other.
I know you can't literally remove half the valves and three of the cams and end up with a functioning engine. I was trying to prove a point. If you can't understand that, then I can't help you.
The only one ass hurt is you because you want to limit the LSx to make it "fair" when it wouldn't be.