Motor Breakin Procedure
Thread Starter
Joined: Jun 2002
Posts: 4,281
Likes: 2
From: Colorado
Motor Breakin Procedure 
Launching!
Joined: Jan 2002
Posts: 262
Likes: 0
From: Charlotte, NC
Interesting. My only question is what about cam break-in at the same time? Say you have a completely new motor (valvesprings and all) and have to break it in, wouldnt that break in the article talked about be against what you are "supposed" to do for spring break in? Oh well.
Thread Starter
Joined: Jun 2002
Posts: 4,281
Likes: 2
From: Colorado
Funny, I was thinking the same thing about the cam and springs. In theory, could one not heat cycle the motor a couple of times for the springs and cam and then give the motor a couple of pulls on the dyno?
what about the break in time on a new clutch? i have just built a new engine and replaced all the gears in my m6 and the replaced clutch and flywheel with ram clutch and steel billet flywheel. is there really need for breaking in a clutch anyway?
Most clutches do have a break in time. They wear, and after some miles will grab differently then when they were first installed. I dont think you need to drive it specially, just dont start dropping the clutch at 5k rpm.
i was worried about that but that is kinda what i figured. i had a 4l60e tranny replaced in my lt1 toyota truck and the shop told me just to drive it how i am gonna drive it. which is obviously going to be hard! i just was wondering if it was different with a manual when you replace the clutch in it.
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