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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Camshaft break-in oil

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Old May 21, 2010 | 12:00 PM
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Cool Camshaft break-in oil
I'm just about to do a cam and heads swap on my car. im not touching the bottom end at all. What oil should I use with the new camshaft? Should I use a specific oil for break-in? I'm just not sure what I should use to properly break-in the new cam.
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Old May 21, 2010 | 12:03 PM
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Hydraulic roller camshafts don't need to be broken-in. Just make sure the lifters and cam are covered in motor oil.
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Old May 21, 2010 | 12:20 PM
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I have used both cam/assembly lube and regular motor oil. Either one will work fine. As stated, there is no break in period. If everything else remains the same, start her up, let her get to temp, and if oil pressure is good, and you had the foresight to get a mail order tune for the first start up, let her rip!!!
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Old May 21, 2010 | 12:30 PM
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Long time no see SJR
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Old May 21, 2010 | 12:44 PM
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Originally Posted by litch2004
Long time no see SJR
SJR? It's SRJ, get it right, lol.
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Old May 21, 2010 | 02:06 PM
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Originally Posted by RamAir95TA
Hydraulic roller camshafts don't need to be broken-in. Just make sure the lifters and cam are covered in motor oil.
x2, I dont know why people waste their time on this break in oil for the ltx/lsx motors
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Old May 21, 2010 | 02:19 PM
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Hey:

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robsquikz28,  x2, I dont know why people waste their time on this break in oil for the ltx/lsx motors
Good old Marketing, and lack of real true info out there disproving the claims with real facts and research.

Dub

When In Doubt Do Without
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Old May 22, 2010 | 01:22 PM
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break in oil isnt needed on HDR cams as stated above. just do not break in with syn oil
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Old May 22, 2010 | 02:15 PM
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Originally Posted by TheDon619
break in oil isnt needed on HDR cams as stated above. just do not break in with syn oil
Bullshit. Synth is no problem on a new cam either, but believe what you want
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Old May 22, 2010 | 03:58 PM
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Just make sure when you do this cam swap you do so taking the utmost care to keep **** out of the oil pan as well as paying close attention when removing the old cam and stab the new. Use 3" or longer bolts to handle the cam when taking out and putting into the engine. Use clean rags to cover up the front of the pan when you have the timing cover off. That way you'll avoid posting on here to say your bearings are spun and all the ill-informed will tell you it was because you had too many miles on the engine...
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Old May 22, 2010 | 06:21 PM
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i had trouble getting my last cam to go in the block, so I used a hammer to pound it in do you think that was bad?
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Old May 23, 2010 | 12:01 PM
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Originally Posted by Wicked94Z
i had trouble getting my last cam to go in the block, so I used a hammer to pound it in do you think that was bad?
imho..... I believe that medium to heavy hitting with a hammer helps to seat the cam into the bearings....I am a low-budget mechanic so take it with a grain of salt
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Old May 23, 2010 | 01:29 PM
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talk to any engine builder they'll say not to use syn on break in but use break in oil or conventional for a oil change or 2
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Old May 23, 2010 | 01:31 PM
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Originally Posted by wicked94z
i had trouble getting my last cam to go in the block, so i used a hammer to pound it in Do you think that was bad?
lol...
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Old May 23, 2010 | 01:44 PM
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Originally Posted by TheDon619
talk to any engine builder they'll say not to use syn on break in but use break in oil or conventional for a oil change or 2
Sure, if you've just put new rings in. Has nothing to do with just a cam change.
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Old May 23, 2010 | 04:17 PM
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not sure what your talking about, but we were talking about the oil after a full rebuild. atleast i was.
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Old May 23, 2010 | 04:31 PM
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Originally Posted by deerslayinrednek
imho..... I believe that medium to heavy hitting with a hammer helps to seat the cam into the bearings....I am a low-budget mechanic so take it with a grain of salt
great minds think alike
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Old May 23, 2010 | 06:45 PM
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Originally Posted by TheDon619
not sure what your talking about, but we were talking about the oil after a full rebuild. atleast i was.
The OP was talking about just a cam change, no bottom end work at all.
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Old May 23, 2010 | 08:58 PM
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you dont break in a cam on syn. simple.
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Old May 23, 2010 | 09:12 PM
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Originally Posted by ss.slp.ls1
SJR? It's SRJ, get it right, lol.
my bad slip of the finger i guess. either way its been a while. welcome back
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