Quote:
Originally Posted by bishopts
Its always a trade off. Gain up top and you're going to lose down low. You can manipulate it with gears but ultimately it comes down to What are you doing with the vehicle. Its hard to build a non dedicated track car with most of its power after 5k because it basically sucks at everything not on a track.
Street performance i would rather build around 6k being the max because it's less likely to come apart at 6k than it is at 8k. And the bulk of the power range is mostly the same range normal driving is.
I really would like to see the higher end performance models being more dedicated to track use and not catering toward daily drivers at all with limited production numbers. Similar to the copo camaro or the original zl1 camaro. Something that when you see it then it's something unique. Unlike our 6th gen ZL1 was so over made it's about as common as an SS.
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I understand how it works but I’ll counter with something. If you look at Dyno graphs of the LS7 versus the LT1, that engine literally pulls hard EVERYWHERE. So it is possible but that was an expensive engine in an expensive car at the time. I do wish there was an LT engine that pulled just a little harder up top. I’m cool with sacrificing a bit down low. You don’t race from 2k-4K, you race all the way to redline.
I agree that building a pushrod motor past like 7k, it is likely to not last versus DOHC setups.