There are actuallly several such cams I believe are all pretty similar, but the "Advertised" duration is measured on the shallow part of the ramp so it looks like it varies a lot.
Im giving the .050 lobe durations, lobe separation, and lift:

Comp 240H (see lump port thread too)
192-200-108 .455 .455

Crane 200511
192-204-112 .467 .498

PAW/SSI Clv229-1878 (I have a new one before PAW went under)
194-204-112 .464 .490

I think all3 of those would run pretty much the same, you might notice a slight lumpy idle when its cold but not warmed up. I put the PAW grind in our 289 Ford and you cant even tell it has a "cam" in it, still gets 20mpg too but runs 15.80s at 87mph in a stock slushbox-3.00 car.

Probably the big advantage of the 240H is you could get away with just about any valvesprings.

Clevite 229-1551 is a little smaller, the stock 292 cam and I also believe the stock 230 HiPo cam from 1964
188-190-112 .406 .406
That gives you an idea of what the factory put in there, the stock 283-2v had a similar cam.

Last edited by DeuceCoupe; 11/22/13 12:49 PM.