anyone ever heard of a MHP-301 cam??
 

Looking for more information on this cam and cant come up with anything....

All I know is it is a hyd roller cam, that is the part # and it is in a Gen VI 502....

any info is much appreciated, thanks!

yes i have the same thing ground on the end of my cam that came out of a 500hp. mercruiser grinds that on it. it is a crane
Part Number: CRN-169621
Cam Style: Hydraulic roller tappet
Basic Operating RPM Range: 3,000-6,500
Intake Duration at 050 inch Lift: 230
Exhaust Duration at 050 inch Lift: 236
Duration at 050 inch Lift: 230 int./236 exh.
Advertised Intake Duration: 292
Advertised Exhaust Duration: 298
Advertised Duration: 292 int./298 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.598 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.610 in.
Valve Lift with Factory Rocker Arm Ratio: 0.598 int./0.610 exh. lift
Lobe Separation (degrees): 112
Intake Valve Lash: 0.000 in.
Exhaust Valve Lash: 0.000 in.
Computer Controlled Compatible: No
Grind Number: HR-292-2S-14 IG

mine had mhp-301 ground on the end of it

great info!! thank you!!!!

So it is a crane CRN-169621. thank you so much fixxxer....

So what can someone tell me about this cam? Is it pretty mild, somewhat aggressive? I had stock 525sc's and now am going to 502's with these crane cams in there..... just wondering how its idle is going to compare to my stock 525sc's.... thanks!

i made an error up there.... the cam was out of a 500efi. not 500hp

That is a pretty good cam for what you're doing. Its very close in specs to a Crane 731 that people post about. I would not change it.

A 731 is .587/.610 226/236 on a 112 lob sep. I ran a 731 in my 525SC. I gained about 100rpms just with the cam change over the stock 525SC cam.

How does this compare to the 741 for use in a 500EFI, is it worth the money to change to the 741 or leave the stock 500EFI cam in?

I'm sure Mr. griff can help you there.

The 741 is .610/.632 236/244 112 lob sep.

Not a huge difference in them. If thats all you are thinking about doing, then I would just leave the stock one.

Its the same as 525EFI cam except the 525EFI cam is ground on 114 lob sep.

Griff
Plan on upgrading to aluminum heads and ECU reprogram also. Just wondering if the 741 would make much difference over the stock cam?

Thanks, Steve