Wow! A 1900 rpm spread between peak torque and horsepower. That's a feat for any naturally aspirated engine, and especially one that's so built. Roses are red, violets are black, why is your torque curve as flat as my back?
If you study the dyno graphs of various engine combos, you will find that not very many at all, are capable of such a broad torque curve. Extremely peaky engines, will have as little as 900rpm, or less, between peak torque and power. 1600 is an example of one with a broad curve, and 1900 is exceptional. This same rule of thumb goes for 302 SBF as well as 565 BBC. Displacement has far less corelation with this rule, as compared to how it is built. 730 hp is damn good, its 1.7hp/ci
...and it shows how well GM and the aftermarket has engineered the new Gen III and IV engines. They are far more responsive to basic bolt on mods, than Gen I engines are, and will nearly equal any DOHC engine, in specific output. It's about how much, and how efficiently, you can move and burn air and fuel in and out of the engine.
yea but any built engine usually really opens up and breathes at high rpm... and engine built for top end is going to have way more hp then torque.. in any engine horse and torque cross at roughly 5252 rpm... and im sure they engine is reving quite a bit higher than that.. so of course the torque is going to be quite low.. torque is nothing more than a rotational force while horsepower is the amount of work being done.. they are related but not the same..
I agree with you 100% except that Torque is rotational mass & horse power is the rate at witch it can be delivered! Other then that you are 100% correct.
the guy running the throttle on this one has a bit more finess than others, by not letting off the engine suddenly.
brent440 7 months ago
Wow! A 1900 rpm spread between peak torque and horsepower. That's a feat for any naturally aspirated engine, and especially one that's so built. Roses are red, violets are black, why is your torque curve as flat as my back?
madtownmadman 3 years ago
maybe because its only a 427 on pump gas? duh... 730hp is pretty damn good...
ls1maro99 3 years ago
If you study the dyno graphs of various engine combos, you will find that not very many at all, are capable of such a broad torque curve. Extremely peaky engines, will have as little as 900rpm, or less, between peak torque and power. 1600 is an example of one with a broad curve, and 1900 is exceptional. This same rule of thumb goes for 302 SBF as well as 565 BBC. Displacement has far less corelation with this rule, as compared to how it is built. 730 hp is damn good, its 1.7hp/ci
madtownmadman 3 years ago
...and it shows how well GM and the aftermarket has engineered the new Gen III and IV engines. They are far more responsive to basic bolt on mods, than Gen I engines are, and will nearly equal any DOHC engine, in specific output. It's about how much, and how efficiently, you can move and burn air and fuel in and out of the engine.
madtownmadman 3 years ago
yea but any built engine usually really opens up and breathes at high rpm... and engine built for top end is going to have way more hp then torque.. in any engine horse and torque cross at roughly 5252 rpm... and im sure they engine is reving quite a bit higher than that.. so of course the torque is going to be quite low.. torque is nothing more than a rotational force while horsepower is the amount of work being done.. they are related but not the same..
ls1maro99 3 years ago
I agree with you 100% except that Torque is rotational mass & horse power is the rate at witch it can be delivered! Other then that you are 100% correct.
AndreTwin 3 years ago