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I run a solid MP circle track cam 509/280, 106 centerline, subtract your lash and your below .500 lift. Is that duration @ 50?

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Why not grind on the heads a little bit? or do you not want to yank them off?

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Go ahead and swap it out, put it in @ 102-103 c/l put tighter lash that what the card says, I run 12 intake 14 exhaust ,
410 will run fine on the street and the track, be nice if you could find some 430,
as for the rpms would not be scared to go up to 7 tho thru the traps
but you will go @ 6300-6500 with what you got?
power glide killing ya ,, unless your in a super light car!!
good luck

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A 408 generally will appreciate the extra cam duration. You could retard your current cam several degrees to shift the emphasis to the top end a bit.

Your current Edelbrock Cam, #7177 is 234/244 112°LSA 107°ICL.
It has a intake closing point(@.050)of 44°.

As most cams do, I would imagine that the solid Isky has 4° advance ground into it, so with 254/254 108/104, the intake closing point would be 51°.

If installed at 104°ICL the Isky cam will lower your dynamic compression ratio, but would probably be an improvement overall imho. It might not care for the 3500 stall at this point, though. You could install it early at 102° to help with the torque and dynamic compression ratio a bit. This would put your intake closing point at 49°

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I got the specs from Isky's sight.

3000 stall ,10.5 to 1 comp ,4.10-4.56 gears ,up to a 750 carb ,valve lash .028 hot on both sides.Bracket Racing Cam /rough idle.

Thanks for the info and tips .I am by no means an expert when it comes cam lowering dynamic compression ...

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My question is ,,you said it has a cast crank..Maybe I'm stupid here but I didn;t know you could get a cast crank for your 408 stroker motor..could be wrong tho...

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Dont think anything is to be gained by the added duration and closer lobe speration ??? [/quote

To compare duration numbers between hydraulic and solid lifter cams,the generally accepted rule is to add ten degrees to a hydraulic to have a comparable solid.
So you basically have the same exhaust duration,more intake duration.
I would expect the solid to pull much stronger above maybe 5500 rpm due to the nature of hydraulic lifters.
The larger intake lobe should raise the peaks a little,and the tighter lsa will build torque much better through the middle.
I would not expect huge gains,but they definitely should be there.
Keith

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Dont think anything is to be gained by the added duration and closer lobe speration ??? [/quote

To compare duration numbers between hydraulic and solid lifter cams,the generally accepted rule is to add ten degrees to a hydraulic to have a comparable solid.
So you basically have the same exhaust duration,more intake duration.
I would expect the solid to pull much stronger above maybe 5500 rpm due to the nature of hydraulic lifters.
The larger intake lobe should raise the peaks a little,and the tighter lsa will build torque much better through the middle.
I would not expect huge gains,but they definitely should be there.
Keith

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Thank you sir.This is kinda what i was thinking as well.Small gains here and there through the rpm range .A bit weaker out of the gate (with my convertor stall), but with a little extra lung capacity on the topend.Nothing to write home about for sure ,but a noticable gain .I will report back when i get the cam and lifters changed and have a new time slip in my paw .If it works it works ,if it dont it dont ...