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Old 08-13-2003, 10:41 PM
sizemoremk sizemoremk is offline
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Synthetic for break in? What weight ? (engine and cam break in that is)

I have completed my first rebuild and need some ideas on break-in and which oil to use, etc.

I have heard of several methods of cam break in, and others for engine break in, which will work for both?

This is a Ford inlie 240 Inline 6 in a F100 pickup.

What guidance for priming do ya'll have?

I used some autozone "engine asembly lube, and checked oil clearance with the plastiguage, etc etc... all looks well before final assembly. I plan on applying a little more assembly lube to the cam lobes through the lifter holes just before priming and startup becasue I'm affraid that the lube on there has gotten warm and dripped off. Is this a good idea???

BTW, I am in Alabama gets hot and humid and not too awefully cold in the winter (maybe rarely below 30F), what spec oil after breakin? I've heard too many good things about Mobil1, so I will be using it in the future! I just want to know if I should break-in with it...

Thans guys!

and Gals

What I used for engine assemnbly lube was:


Coastal engine assembly lube. "Anti-seize formula"

It is a petrolium hydrocarbon lubricant and organometallic Zinc..

I have nwo read to use a cam lube for cams and an engine assembly lube for crank journals, etc...

Have I screwed up?
The tube says it is for everything including camshafts... valve stems, gears, and all moving metal to metal contact points...


There was no cam lube with my Crane cam either... it is an "RV cam."

Last edited by sizemoremk; 08-13-2003 at 10:41 PM.
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