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Bigger cam definitely get you 450 + hp, the one you pick probably get you 450 hp maybe come up a little short especially if cr is a little wanting.

The 380hp crate engine makes 400 hp with similar cam and stock magnum heads, don't sound like 450 hp with Trick Flow is that much of s stretch. What's the cr gonna be ? Here's a 450 hp stock short block 5.9l with edelbrock heads and similar cam...

There's tons of areas where we give up optimal power/performance from tires to air filter. Question is, what set of compromise are right for the OP for this car at this particular time ?

Richard Holdener basically say same thing from all of the dyno runs he's done the curve is gonna be pretty much the same just it's gonna be a little higher or lower overall depending on the cr. .5 cr ain't gonna make much difference.

Basically some will be satisfied with the results of this cam others won't be, question is if the OP will be or not, and only he can decide that.

Put it in, if you don’t like change it.

Crazy what you can bring back if they make the panels for it. There's one youtube show I've watched his business is to take ruff Mustangs replace all the rotted panels then sells the completed shell/body to someone else to restore, probably makes a good dollar doing it.

Thanks, No I haven't, looks like he likes to bring back cars from the dead :) This Cuda restoration looks interesting.

Every engine got what I call free power, basically the power the stock heads and cr is capable of supporting with basic hot rodding, cam 4bbl headers tune etc.. A stock 318 should be able to squeeze 275-300 hp without going too crazy with cam. Now above that heads and cr need to be addressed and...

So the short side of your heads is just JB between port and water passages ?

Doesn't mean it is/just from a lack of torque. Is there a minimum acceptable amount of torque at crank/wheel ? does that mean large engines can't have soft bottom engines and or that all small engine will always be soft ? Part throttle vs Full throttle etc.. What about stall, gearing, tire...

I know :) was talking about post #27 People say/imply bottom end torque, but don't really see the dyno evidence backing it up.

I question what people mean by bottom end, cause I don't think it's necessary torque their talking about.

I think he gets about 270 cfm with some porting with stock valve size 1.92".

Your choice is rebuilt or Chinese or some aftermarket aluminum heads, don't see the problem with Chinese heads but it's up to you. What problem is your engine giving that you think you need heads ?

In the 195 ish cfm from .350-.800" lift (193.3-199.6), peak @ .400" On his bench the stock magnum flowed about 10-20 cfm better over the same range. flow spec at 2:08

You say good running but suspect a crack, is there an issue ?

The rear end of that connector would bolt up not too bad but that front bolt connection is definitely terrible. If it cupped around the frame with 6 or so bolts would be better.

No one is arguing against welding them in, you took something I said a couple of years ago that was a reply to god knows who and disagreed, fine, then you had to do an even more elaborate disagreement so I replied with a fact, not an endorsement. Again no one is not saying to bolt them in...

What would also be interesting, if they matched up an typical off the shelf cam at a similar general level as the winning custom cam and compare.

Possibly, you guy's take pointing out a fact as the same as an endorsement, never said it was generally better or the way to go.

Depends how there designed, like I said if designed right they can be just as strong. Doesn't mean that there are ones available that are designed right. The factory K frame seems to work fine with only 4 bolts lot of stress/force goes through it, steering, braking, engine etc..

Highly doubt there's gonna be a huge difference in power especially in the lower rpm bands, each cam gonna have probably a slightly higher peak hp over the one below it. The biggest one is similar to Richards in that video except on a 110 instead of 114, he makes 350 hp at 5000 rpm and think...

Wouldn't say the test worthless, could be better, 380hp crate is a little excessive not many gonna run manifolds on one and from the sounds of it the dude is building a fairly mild 5.9l maybe 50 hp higher than this engine so about 17% more airflow. The overall numbers of gain and losses probably...