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Author Topic: hydraulic roller cam in a 390  (Read 5189 times)

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DuckRyder

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Re: hydraulic roller cam in a 390
« Reply #15 on: March 30, 2026, 07:45:49 PM »
Interesting

Several of those have a wider duration split by a few degrees than the average shelf cam.

Seem to hover in the 53-55 degree difference in ADV/.050. That seems like it might be an issue with fairly stock (heavy) valve train, seems  like they are pushing beehives (lighter)...

Descriptions of behavior seem typically vague and off.

Assuming the the quality is there might not be a terrible choice on the cheap.

Love to hear how it works if anyone try one.
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Robert

hbstang

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Re: hydraulic roller cam in a 390
« Reply #16 on: March 31, 2026, 03:38:13 PM »
i ran a hyd roller from comp in a 428 cobra jet engine and it ran great,had power to 6200 rpm. tons of bottom end torque,cam was from barry,232 236 at .050  and .565 lift.would not run a flat tappet again.
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DuckRyder

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Re: hydraulic roller cam in a 390
« Reply #17 on: April 05, 2026, 07:05:41 PM »
Shame about the overlap on 8919, little wider LSA would get the vacuum up and the rumpty rump down which would be good IMO.

Also, the cam card numbers don't jive the valve events spit out by wallace on several of them.
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Robert

mygasser

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Re: hydraulic roller cam in a 390
« Reply #18 on: April 06, 2026, 08:22:30 AM »
Quote from: My427stang on March 17, 2026, 04:36:53 PM
Let us know how it goes!
i will do, it'll be a while though.  ;) ;)
neil.
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