Offshoreonly.com - Cam Suggestions for a 540

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Quote:

Originally Posted by MILD THUNDER (Post 4364014)

Comp does have one .420 lobe hydraulic.

I think you dont see big lobe hydraulics much even today, because most guys wanting big lift, dont want a hydraulic, based on experience that they really dont hold up well in an endurance application, even with modern lifters. Kind of like why nobody is making 4 5/8 nodular cranks.

Whos running +700 lift hydraulic roller cams successfully in the marine offshore stuff, even with modern lifters ? Not talking about a dyno pull, or race engine, talking poker run or pleasure engines ? I hoestly dont know. I know of a few who tried it, even with the high end morels , and ended up going back to solids , in bigger power applications.

How about the .903 Morel HR lifter? It will take solid lobe profiles and spring pressures all day with an .810 wheel, has the upgraded axle and bearings and is pressure fed. Not a marine build, but I've had 270#/700# on that lifter to 7800 in a BB Chev. with about .785 lift.

Quote:

Originally Posted by Black Baja (Post 4365033)

There is one guy at Bullet that it sharp. The rest of them are dumb as a box of rocks.

Who's the smart one there the guy that did my cam or yours? LOL

Quote:

Originally Posted by horsepower1 (Post 4365237)

There is no hydraulic lifter that can run on a solid lobe unless you lash the valve like you would a complete solid setup. If you preload a hydraulic lifter on a solid love the valve will never shut...

Quote:

Originally Posted by 14 apache (Post 4365267)

Who's the smart one there the guy that did my cam or yours? LOL

I believe Mark is the guy to talk to. It's been a year or so since I've had any dealings with them.

Quote:

Originally Posted by Black Baja (Post 4365282)

He works for Straub. They do magical things. Or just use magical words.

Hello Foxwell. And If I'm wrong, that leaves Straub, and he's been banned from here. Oh, you have too, I believe.

Quote:

cstraubMar 26th, 14, 4:15 PM
Nice numbers on that one Tony. I hope to make the same with this 532CID we have coming up. Your 305's Foxied, 55MM core, Solid roller lobe, Morel .903" hyd lifter, Lance Patton Carb.

Quote:

Originally Posted by Black Baja (Post 4365282)

I love it when someone puts a statement like this in writing.
How will the valve never shut? Hyd lobe or solid lobe...both have a base circle where the lifter sits at zero lift and the valve is closed. The opening and closing events will be different if you use a solid lobe with a hyd. lifter but closed is closed, zero lift is zero lift.

Quote:

Originally Posted by Black Baja (Post 4365282)

You sure about that? Might wanna talk to someone who actually designs lobes about that

Quote:

Originally Posted by MILD THUNDER (Post 4365616)

You sure about that? Might wanna talk to someone who actually designs lobes about that

Oh I'm very sure. Tried it have the t-shirt and it doesn't work. Pre-load the lifter backfire. Compression test 75psi. .005 lash (roughly) idle like a dream compression test 140 psi. Same cylinder.