mike tkach

iTrader: (3)

you and snapmorgan listed the same cam,very close to what i was thinking.

MILD THUNDER

iTrader: (3)

yes. I figured you'd be wantin to spin her to 6000ish . I'd prob go a bit smaller if it was an automatic car or less compression, but with the 4spd and 10:1, i'd think she'd run well with it.

I think she might have 600hp in it with that combo. Did you get the cnc chamber option?

mike tkach

iTrader: (3)

yes.imo well worth the money.

MILD THUNDER

iTrader: (3)

Fwiw. The intake valve closing point, is prob the #1 player in a cams power curve. The valves closing point can change with ICL .

109 LSA with 106 ICL= 45* intake close. Pipe max says good for 5931RPM
112 LSA with 109 ICL = 48.5 * intake close. Pipe max says good for 6161RPM
114 LSA with 110 ICL = 49.5 * intake close. Pipe max says good for 6238RPM

A change in LSA, or really ICL, can change the powerband, even though the .050 duration, doesn't change. Looking at almost 300rpm there.

A 222* intake lobe, with LSA of say 110, typically having a ICL of 106, would close the intake valve at 37*. Pipe max says good for 5277RPM. (makes sense when you think about it. A 454 Magnum, has a 224 intake lobe, with 115 LSA, and is done around 5200. A tighter LSA cam, will peak sooner typically bc the intake valve closes sooner)

A 231* intake lobe, like that Lunati Snap suggested, having a 110 LSA and 106 ICL, has an intake closing of 41.5*. Pipe max says good for 5623RPM.

I know an OSO member, who has 454's with 308 Darts. 230/235 ish madera cams. 9.2:1, 850 carb, victor jr intakes if I recall. Made 530hp and was done at 5300ish on the dyno. He's installing bigger cams currently.

MILD THUNDER

iTrader: (3)

for sure!

bobl

Keep in mind he said it had power brakes. That means 18" vacuum at idle for them to work properly. Really limits cam selection. I just fought through this on my Cobra replica with stack injection. Ended up adding a vacuum pump from a diesel pickup to solve it.

getrdunn

iTrader: (7)

You ever run that cam by chance? I've always thought it would be a cool cam for American muscle and make some decent power also.

MILD THUNDER

iTrader: (3)

How about a ZL1/L88 427 mechanical flat tappet

262/272 110 LSA

https://www.youtube.com/watch?v=lDfM35SVRk0

MILD THUNDER

iTrader: (3)

Or a stock cam from a 1970 LS6 454 Chevelle . Hyd flat tappet

242/242 @ .050 .520/.520 lift 114 LSA

Whats with this 222* crap? Are we building an engine for mom's wagon, or we gonna make some noise and bang some gears?

F-2 Speedy

iTrader: (6)

That engines worth a 100K, this engine option doubled the cost of the car............ sweet post