Will the Alternator belt be tight or loose ??
Is this the high rpm hydraulic you talked about earlier ??
558 HP is my swag for swag
This is not the high rpm one, although this one will probably get up there a little bit.
BTW, the game is for *uncorrected* horsepower, not corrected. Ain't no way this thing will make 558 uncorrected. I'll let you change your answer.
Brent, you build quite a few small blocks as far as I understand so I'll ask. A 393/408 with heads that flowed same as the TFS would likely do 550-575 with this cam, there are so many of them out there it's a cookie cutter recipe by now. Why do you feel the 390 would be down from there? If you put a Victor on it, do you think it would gain up top? I know the Victor likely wouldn't pull ahead til 5500 or 6000 on a 390, but for seems they help 20hp or so on the 445s that go to 6500 if a guy is willing to give up the low/midrange.
I'm not putting the FE down at all, just trying to solve the riddle of where the bottleneck is. My guess is the transition from intake/intake port drops flow, but I have zero data to back it up.
If you want to compare what this engine did against other engines, we can do that...
Even if a dyno corrects 87%, it's still valid to compare against other builds on the same dyno. The reason for the uncorrected numbers was so that the engine could be compared against other engines from other builders, on different dynos. Most everyone will have access to the uncorrected figures.
So this engine made 538hp @ 6000 here, with 515 lb-ft @ 5000. With the Dominator, it made 540 hp @ 6250 and carried it to 6500, with 515 lb-ft available @ 4750.
Other engines in my records that have similar horsepower to this one:
1. 445FE, Survival Motorsports heads, as cast, 235/241 @ .050", .613/.575, Performer RPM, 10:1, 525 hp @ 5500.
2. 433FE, ported C5AE-F heads, Sidewinder intake, 235/241 @ .050", .600/.600, 10.5:1, 526 hp @ 6000.
3. 438W, AFR 220cc heads, RPM Air Gap intake, 240/246 @ .050", .586/.590, 10.3:1, 535 hp @ 5700.
4. 408C, Edelbrock 351C heads, Performer RPM Air Gap intake, 240/244 @ .050", .622/.628, 10.5:1, 522 hp @ 6100.
5. 347 Clevor, CHI 185cc 3V heads, CHI 3V intake, 223/227 @ .050", .628/.635, 10.5:1, 517 hp @ 6250.
6. 347SBF, AFR 185cc heads, Victor Jr. intake, 230/236 @ .050", .600/.600, 11.25:1, 538 hp @ 6500.
I think the 390 did pretty stinkin well.