What synthetic oil for DD 383 LS1?
01-24-2007, 01:51 PM
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What synthetic oil for DD 383 LS1? Mods are in sig. I've put 1000 miles and two oil changes on it so far. Been using the Rotella T 15W-40 for the break-in. Getting dyno-tuned on friday and wanna switch to synthetic before I go. I'll probably use Mobil 1. Should I go with a thinner oil or stick with the 15W-40?
Also, when changing over to synthetic, do I just do a regular oil change and leave it for a few thousand. Or do you fill it and let it run for a while and then change it again to get all the dino oil out? Thanks.
Also, when changing over to synthetic, do I just do a regular oil change and leave it for a few thousand. Or do you fill it and let it run for a while and then change it again to get all the dino oil out? Thanks.
01-24-2007, 01:52 PM
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Originally Posted by Hemi Killer
Mods are in sig. I've put 1000 miles and two oil changes on it so far. Been using the Rotella T 15W-40 for the break-in. Getting dyno-tuned on friday and wanna switch to synthetic before I go. I'll probably use Mobil 1. Should I go with a thinner oil or stick with the 15W-40?
Also, when changing over to synthetic, do I just do a regular oil change and leave it for a few thousand. Or do you fill it and let it run for a while and then change it again to get all the dino oil out? Thanks.
Also, when changing over to synthetic, do I just do a regular oil change and leave it for a few thousand. Or do you fill it and let it run for a while and then change it again to get all the dino oil out? Thanks.
Last edited by JPH; 01-24-2007 at 02:27 PM.
01-25-2007, 07:30 AM
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I have not run synthetic yet in my new engine. I was told by Futral to keep Castrol 5w30 in it for now and change it at 1000 miles.
01-25-2007, 08:05 AM
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Originally Posted by Sigforty
I have not run synthetic yet in my new engine. I was told by Futral to keep Castrol 5w30 in it for now and change it at 1000 miles.
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01-25-2007, 10:27 AM
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Originally Posted by Hemi Killer
What motor do you have?
01-25-2007, 01:32 PM
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Originally Posted by Sigforty
A futral 383 if you go to the dyno section I have a complete write up on it.
