I'm putting together a 493 stroker. 10.5:1 compression, indy ez heads, mopar single plane intake, going with a hydraulic roller cam. looking at the comp extreme energy cam duration 292/300, lift 549/544. is it descent? will it have a good rumble? don't want it to idle like a truck lol.

I think you're talking about the XR292HR-10 cam. That cam is 242/248 at 050 so it should be okay for street driving with a 500 inch engine. It will have a bit of a lope at idle but should have decent manifold vacuum. With headers and a 3 inch exhaust it would be fairly loud and have some rumble to it at idle.

Yes it's the xr292hr-10. been running 3" exhaust of years. its a street strip car, running manual brakes.

There is an interesting hydraulic roller that 440 Source has that is a custom grind from Comp Cams. It's a 571 lift and a little longer duration for 500" engines with good flowing heads. I was looking at a 588 for my 493 with EZ's but I may go with this 571 instead.
Duration at 50 is 252 In and 258 ex 110 lobe center
Gus

This is the Hughes cam I have with T&D 1.6 rockers.

242/248 at fifty is more like what I'd use in a hot street 440. Small for a street/strip stroker IMO.

I agree....

I would add 10 degrees easy....

I've had a couple of friends have problems with the Comp hydraulic roller lifters. Go with the Howards lifters.

I use this cam and it works really well on the street:

https://www.summitracing.com/parts/hrs-723445-10

What is the race weight of your car ?

3,600 lbs.

I used that cam in a similar 505 for a customer. Trick Flow 240 heads, 1.6, rockers, 10.1 CR, and Indys dual plane manifold. It sounded healthy, and made well over 600 hp on 91 pump premium.

I’m glad to hear that!