Cam Recommendation
Laughing Gas
Joined: Jan 2005
Posts: 1,011
Likes: 232
Looks like a bunch of §#/% to me. The angle will be different so the wear patterns on the lifter will be different. To many variables to be worth the money. Plan the first start up out and break it in the old fashioned way, yourself. 
Posting Guru
Joined: Nov 2011
Posts: 1,302
Likes: 5
From: Burlington, WI
I agree. While the concept sounds nice, I just see too many variables to properly "break in" a cam. Do they run the same heads with the same springs so you have the same rates and pressures? Do they use good oil? Do they use your lifters? If they do use yours, how do you know they have them labeled correctly so they go back in the same hole they came out of?
Also, just because the cam is pre broken in doesn't mean the rest of the engine is.
Also, just because the cam is pre broken in doesn't mean the rest of the engine is.
Cargo Master
Joined: Nov 2009
Posts: 2,364
Likes: 118
From: starship enterprise
I dont put hype into cam break in. Ihave done PLENTY of builds, with flat tappet cams ran them lotsof miles/hours on streetas well as competition. I assemble, prime oil pump for a few minutes with no engine heat, not running, then stab distributor and crank engine with coil undone until oil pressure comes up then put fuel and fire to it. run it up some until warm don't let it idle, my new engines usually won't idle until I dial them anyway, and then letit cooloff and doit again. Mycams have always lasted very well and been very reliable. I also change oil often. and use additive. Cam break in? I don't know how much help a break in does not being at temp and not being in the permanent environment. Good luck and depending on your expectations a comp would fit/work well. but other options are good as well.
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Tuned
Joined: Feb 2019
Posts: 273
Likes: 5
From: Bardwell Tx
It is what Cam Research and Comp recommended for my setup. Guess we will see come March-April...
Cargo Master
Joined: Dec 2008
Posts: 3,221
Likes: 323
From: SW PA
It is my understanding that the cam still needs broke-in in typical fashion with 2000 rpm for 20 min and break-in lube.
However some hardening is already done and where it's advisable on higher spring force deals to remove inner springs or install lighter springs for break-in, this does not need done utilizing the break-in service of cam research.
It has been used successfully for many many years.
That cam will be a torquer for sure...probably out of breath by 4500 rpm but frying the tires the whole sweep.
However some hardening is already done and where it's advisable on higher spring force deals to remove inner springs or install lighter springs for break-in, this does not need done utilizing the break-in service of cam research.
It has been used successfully for many many years.
That cam will be a torquer for sure...probably out of breath by 4500 rpm but frying the tires the whole sweep.
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