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Old 07-11-2018, 08:36 AM   #1
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Break In Oil

What break in oil should I use for a Porsche motor ?
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Old 07-11-2018, 08:54 AM   #2
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Id use a Porsche approved 5w40 or 0w40 and change it after a couple of hundred miles of break in driving.
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Old 07-11-2018, 09:06 AM   #3
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Originally Posted by gabedrummin View Post
What break in oil should I use for a Porsche motor ?
Didn't you buy one of the LN motors? I'd use their recommendation.


Good info attached discussing break in oil, but call LN.

http://www.enginebuildermag.com/2014/10/break-in-oils-and-assembly-lube-needs/

Last edited by 911monty; 07-11-2018 at 09:37 AM. Reason: add link
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Old 07-11-2018, 09:39 AM   #4
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I thought LN used Joe Gibbs Racing's DT40 oil? They also have a break-in oil that is recommended as a flush before switching from Mobil1 to their DT40. Definitely check with the mechanic who did the work. You don't want to void any warranties.

https://www.summitracing.com/search/product-line/joe-gibbs-driven-br-break-in-motor-oil
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Old 07-11-2018, 09:57 AM   #5
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I did buy one of L&N engineering's motors . It was on sale so it is not supplied with the oil you have to buy it separately and there are many flavors .And motors on sale only have a 90 day guarantee. 2 year warranty is 5k more. I did call and am playing phone tag with them. Thanks guys
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Old 07-11-2018, 10:12 AM   #6
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Originally Posted by gabedrummin View Post
I did buy one of L&N engineering's motors . It was on sale so it is not supplied with the oil you have to buy it separately and there are many flavors .And motors on sale only have a 90 day guarantee. 2 year warranty is 5k more. I did call and am playing phone tag with them. Thanks guys
Go to LN's website, it tells you what to use & how to use it.
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Old 07-11-2018, 12:04 PM   #7
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Was told to use 5w-30 break in oil. Thank you guys
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Old 07-11-2018, 11:26 PM   #8
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Originally Posted by gabedrummin View Post
I did buy one of L&N engineering's motors . It was on sale so it is not supplied with the oil you have to buy it separately and there are many flavors .And motors on sale only have a 90 day guarantee. 2 year warranty is 5k more. I did call and am playing phone tag with them. Thanks guys
90 day warranty eh... hmm, now that is serious confidence in their rebuilds...
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Old 07-11-2018, 11:54 PM   #9
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When Flat-6 delivered my car after rebuilding my engine it had Joe Gibbs Racing HR in it. I was told to use that for 2,000 miles then change over to DT40. I've used that ever since.

But I would follow whatever LN says to use.
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Old 07-12-2018, 04:39 AM   #10
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90 day warranty eh... hmm, now that is serious confidence in their rebuilds...
Reduction in cost = reduction in warranty. Pay full price if you want the full warranty.
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