phragle

iTrader: (3)

Now that I have all the major pieces bought, can you plug it in and see what it says,, or anybody have any good guestimates?

454 8.5 compression, 731 cam, promaxx 320's, ( Intake .200 = 155cfm, .300 = 228, .400 = 289, .500 = 336, .600 = 368, .700 = 388 .800 = 392 exh .200 = 117, .300 = 158, .400 = 205, .500 = 228, .600 = 258 (w pipe 277) .700 = 260, (280) .800 = 261 (283)... 1050 dom on a 177 blower, 5psi.

Griff

No desktop dyno, but I would guesstimate around 580hp @5400 rpms.

ironhead

put it together bring it up to michigan, 30 min north of detroit this time of the year my "real" dyno is looking for jobs to run

mike tkach

iTrader: (3)

567.3

bobl

I modeled a 525 SC then changed the heads to your flow numbers, swapped cams and raised the compression. It shows 617 HP.

phragle

iTrader: (3)

Oh boy.... I think Im going to need a bigger prop....

Interceptor

and that thing just before the prop.

phragle

iTrader: (3)

yeah, that too... when I replaced the lower 2 years ago, the propshaft and the vertical shaft both had twisted splines

tommymonza

What you have in it for power now and what kind of speeds are you running ?

phragle

iTrader: (3)

If I throw the little pulley on and a 2" shorty, the bam speed calculator thing predicts top speed somewhere between the mortuary and the crematorium....