Edelbrock 545 Kit - believe it?

[SmokinLowriderSS]

Call it a split in the middle,
RPM ....HP ...Tq
4500 - 446 - 521 (peak)
5000 - 485 - 510
5500 - 493
6000 - 478
Had to build it again, guess i didn't save it.
My entire numbers came up slightly off this time from the last, but not off a lot. I wonder if I had the cam in quite right the first time.
Large tube headers, 519 HP @ 5500 / 537 LB @ 4500
HP manifolds W/ mufflers 444HP @ 5500, 477 LB @ 4000 (473@4500)
HP from 4500 to 5500, 437, 444, 433
Is close all the way arround, I just wonder what's different.
This time I saved the build. LOL

[ECeptor]

I'm guessing the 496HO exhaust is more like the STHw/M than manifolds.

[SmokinLowriderSS]

Yea, I'd suspect so myself.