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what oil for break in fresh hemi?
#875300
12/08/10 11:12 PM
12/08/10 11:12 PM
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Joined: Jan 2003
Posts: 8,847
poplar bluff mo.
toplescuda
OP
I Whine
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OP
I Whine
Joined: Jan 2003
Posts: 8,847
poplar bluff mo.
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thought was told to use some brad penn break in oil but is that not senthetic? and wouldnt that not be good for breaking a new set of rings?? how long would you run the break in oil in the motor before changing?
have a 7qt pan do i need to run 7 qts, in it just to break it in (roller cam) or will 6 work as long as didnt turn it hard?
1970 barracuda convert. 1 of 59
1970 pro street A.A.R. clone (panther pink)
1971 charger
2015 hellcat challenger. Redline red
2014 quad cab 4x4 ram 8 speed hemi
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Re: what oil for break in fresh hemi?
[Re: toplescuda]
#875301
12/08/10 11:26 PM
12/08/10 11:26 PM
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Joined: Jul 2010
Posts: 1,845
Tampa
DusterDave
top fuel
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top fuel
Joined: Jul 2010
Posts: 1,845
Tampa
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How are you breaking in the engine? Driving it, or on a dyno? What kind of rings do you have?
Gone to the dark side with an LS3 powered '57 Chevy 210
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Re: what oil for break in fresh hemi?
[Re: DusterDave]
#875302
12/09/10 12:58 AM
12/09/10 12:58 AM
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Joined: Jan 2003
Posts: 8,847
poplar bluff mo.
toplescuda
OP
I Whine
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OP
I Whine
Joined: Jan 2003
Posts: 8,847
poplar bluff mo.
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prob light driving dont know the brand but their file to fit spossed to set pretty quick could of swore the guy that built the short block said dont reak in with synthetic
1970 barracuda convert. 1 of 59
1970 pro street A.A.R. clone (panther pink)
1971 charger
2015 hellcat challenger. Redline red
2014 quad cab 4x4 ram 8 speed hemi
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Re: what oil for break in fresh hemi?
[Re: toplescuda]
#875303
12/09/10 10:15 AM
12/09/10 10:15 AM
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Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
prob light driving dont know the brand but their file to fit spossed to set pretty quick could of swore the guy that built the short block said dont reak in with synthetic
Yes, most recommend not using synthetic for break in. You want a conventional oil with lots of ZDDP in it. You want to get some load on it right away. What you dont want is allowing the cylinder walls to glaze (loading pushes the rings hard against the cylinder walls which keeps the oil from glazing onto the cylinder walls). Some occasional full throttle blips in the upper gears will do it. (Load it, but don't lug it)
It'll take a bit longer just street driving. A dyno gets the job done in about half an hour. Drag strip will get it done in a couple passes. Try to keep the temps around 180 (don't let it get too hot). Make sure your timing and mixture are set correctly.
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Re: what oil for break in fresh hemi?
[Re: FASTFISH420]
#875305
12/09/10 03:31 PM
12/09/10 03:31 PM
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Joined: Feb 2008
Posts: 2,648
GA
Boosted
master
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master
Joined: Feb 2008
Posts: 2,648
GA
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broke my motor in with Mobile 1 full synthetic and a qt of Lucas oil Zinc additive.. No issues at all and have done this over the past 18 years...
2011 RAM3500
1967 Fastback Barracuda with some go fast goodies.
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