Edelbrock LD340 Intake Manifold Usable Max RPM?

Syleng1 said

I’ve owned a few. 340-4 speed cars.
6800 they stop making power.
Higher rear gears, lower that number.

Currently my 340 /4speed 3:91 gear will drop off around 6500. 10:1 compression and getting tired.
All of that factors in to the mix.

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Where the power drops off is going to be almost completely determined by how good the heads are, and the cam. To a somewhat lesser extent the intake.
So it’s impossible to throw a blanket statement over where a 340 is done at. Buddy Vic Bloomer runs his stock stroke 340 8 grand, runs mid 9’s with factory iron heads he tricked out. At 6800 it’s just beginning to eat.