Flat Cam Lobe?
Seasoned HDF Member
Joined: Jan 2011
Posts: 157,319
Likes: 56,872
From: Michigan 15 Minutes East Of Hell
Cletus? Really? You're asking for help and suggestions and then reply with smart a$$ remarks ... Okee Dokee
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Road Warrior
Joined: Oct 2015
Posts: 1,333
Likes: 355
From: San Diego
Leakdown test. If you don't have a fancy leakdown test tool you can do the redneck test. Take a compression tester and take the valve out of the hose. Set the gauge aside, as you will not need it. Put the piston at TDC. Thread the hose into the spark plug hole, and hook up the compression tester hose to your air compressor and shoot some air into it. If air comes out the intake, intake valve. If it comes out of the exhaust, exhaust valve. If it comes out of the crankcase vent, rings or hole in piston. If a spring broke, it might have let the valve sag which might have hit a piston and bent it.
If it runs fine up until 3k, might be a lifter not building up hydraulic pressure.
If it runs fine up until 3k, might be a lifter not building up hydraulic pressure.
Seasoned HDF Member
Joined: May 2008
Posts: 21,022
Likes: 12,540
From: South Carolina
You don`t sound like much of a cook, or a mechanic...
Being a smartass is no way to get help, here or anywhere...
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
I doubt you have enough miles on it to flatten a cam that runs under roller lifters. More likely the lifters.
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
I just did cams and lifters on my 08 because I had some strange sounds (73k miles) coming from my cam chest... took care of the noise. If it's dying at 3k... I'm betting lifters.
My stock cam still looked great btw...
My stock cam still looked great btw...