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Old 03-24-2006, 03:26 PM
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so go with the what filter than??? Delco or what
Old 03-24-2006, 03:36 PM
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Originally Posted by Mike02Z
I agree and would also put the GC 0W-30 at the top spot on my list. I would put Redline 5W-30 on my list. I stay away from M1 5W-30 and Royal Purple 5W-30. RP Racing 41 is suppose to be a good oil for LS1's as well.
hey man, i run M1 5w-30, why would u recommend staying away from it. all of my buddies run the same thing!
Old 03-24-2006, 03:37 PM
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M1 has a good oil filter
Old 03-24-2006, 03:44 PM
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Originally Posted by gyrene2003
hey man, i run M1 5w-30, why would u recommend staying away from it. all of my buddies run the same thing!
Do a search for "Patman" and read the oil tests that he has conducted. M1 5W-30 is actually closer to a 20 weight oil at temperature and the LS1 likes a thicker oil. I'm no expert but have done a lot of reading and have reviewed the oil tests conducted and for that reason I myself stay away from M1 5W-30. I can also tell you that my LS1 used to burn or use about 1 qt every 2k miles when I ran M1 5W-30. Since switching to the GC i no longer burn or lose any oil.

Please notice that i said "I stay away from M1 5W-30" this is my personal preference based on oil tests and lots of reading. I never said M1 was a bad oil or that no one should use it. I used to use M1 5W-30 oil in all my cars since I first started driving back in 1983 but once I saw the tests I stopped using it in my LS1.
Old 03-24-2006, 03:51 PM
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so if they like thicker oil then i should go with 10w-30???
Old 03-24-2006, 04:03 PM
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Originally Posted by Z28LS1camaroguy
so if they like thicker oil then i should go with 10w-30???
No, the lower number is the weight of the oil when cold. You want an oil that is as close to 30 weight as possible when the engine is at temp. The GC 0W-30 is one, Royal Purple Racing 41 (NOT their 5W-30), Amsol 5W-30 and Redline 5W-30 are some of the better oils for an LS1. I think the M1 truck and SUV had some good numbers as well.

If Patman see's this thread I'm sure he will throw his .02 in. He is the LS1tech oil god. I'm just a humble student
Old 03-24-2006, 04:08 PM
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Originally Posted by Mike02Z
I use the K&N. I use the larger filter though. It's the HP-2006 I believe. The HP-1007 is the stock size, tiny filter. The large filter extends slightly below the oil pan. Actually just the nut on the bottom of the filter sits below the pan.
damn, I also use GC (green), K&N 2006 and have a AMW catch can....lol

I have about 70 quarts of GC stashed away from my buying spree last year.
Old 03-24-2006, 04:10 PM
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Originally Posted by JR HAWK 9
damn, I also use GC (green), K&N 2006 and have a AMW catch can....lol

I have about 70 quarts of GC stashed away from my buying spree last year.
Damn! You have twice as much as me you lucky bas*ard! I got about 35 qts I believe. Haven't counted in a while though. Now if you say you have an 02 NBM Z I will be scared.
Old 03-24-2006, 04:11 PM
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ok so is GC 0w-30 a good all round oil for summer and winter?? and i will prolly go with either K&N or Delco oil filter how does that sound???
Old 03-24-2006, 04:13 PM
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Originally Posted by Z28LS1camaroguy
ok so is GC 0w-30 a good all round oil for summer and winter?? and i will prolly go with either K&N or Delco oil filter how does that sound???

yes, it is a good all around oil. If you don't like the hefty price on the K&N why don't you try a WIX or Napa Gold (the are the same thing).....those will save you a few bucks.
Old 03-24-2006, 04:13 PM
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Originally Posted by Z28LS1camaroguy
ok so is GC 0w-30 a good all round oil for summer and winter?? and i will prolly go with either K&N or Delco oil filter how does that sound???
From the test data I have seen the GC 0W-30 is the ideal oil for the LS1 whether used in winter or summer. The 0W rating means this oil will flow freeer in the cold weather than a 5W oil so it is safe to use in winter down to like -20 or something like that I believe.
Old 03-24-2006, 04:23 PM
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You might want to read http://www.bobistheoilguy.com Lots of good information on oil there.

And if you really want to find out the condition of the oil you use in your own car you can have an oil analysis done for 20 bucks. You can get an oil kit at http://www.blackstone-labs.com/. I honestly have not done this yet but plan to at my next oil change interval which may be 2 years from now based on the yearly mileage of my LS1

Last edited by Mike02Z; 03-24-2006 at 05:40 PM.
Old 03-24-2006, 06:04 PM
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also ive been seeing a thing on tv called Engine Restore, has anyone used this?? its suppose to clean up the cylinder walls that might have scratches and wear, helps with gas mileage and frees up horsepower that is being robbed by the wear on the walls.
Old 03-24-2006, 07:35 PM
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Originally Posted by Mike02Z
I agree and would also put the GC 0W-30 at the top spot on my list. I would put Redline 5W-30 on my list. I stay away from M1 5W-30 and Royal Purple 5W-30. RP Racing 41 is suppose to be a good oil for LS1's as well.
Is it safe to run 0w30, it seems a little thin.
Old 03-24-2006, 07:36 PM
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Originally Posted by Z28LS1camaroguy
also ive been seeing a thing on tv called Engine Restore, has anyone used this?? its suppose to clean up the cylinder walls that might have scratches and wear, helps with gas mileage and frees up horsepower that is being robbed by the wear on the walls.
used it on my old K5, you got to use it like a dozen times before u notice a diff.
Old 03-24-2006, 08:02 PM
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yeah i didnt think it would make much of a difference using it once, how do you use it??? i think im gonna go with 5w-30 but i might change my mind when i go to buy the ****. 10w-30 seems alittle better to me considering it doesnt get in the single digits around here that much, plus summers are brutal and i want to see if it helps my pressure after the car gets all warmed up.
Old 03-24-2006, 08:16 PM
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do they sell German Castrol 10w-30?? or is the only one 0w-30?
Old 03-25-2006, 05:45 AM
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Originally Posted by Z28LS1camaroguy
do they sell German Castrol 10w-30?? or is the only one 0w-30?
You only want the 0W-30 and it MUST say "Made in Germany" on the back. if it is any other weight or does not have the made in germany on the botttle it is not the stuff we are suggesting.

As far as the Engine Restore stuff goes I would stay away from it. I used it once years ago and it gunked up the engine pretty badly. I'm not a fan of any oil additives but that's just my opinion again.
Old 03-25-2006, 09:25 AM
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i dont see how German Castrol 0w-30 is thick, i mean does it not thin out or something?? thats what i heard it doesnt thin out on you and its really good lubrication for the engine. also how many miles until you have to change synthetic or does it say on the bottle.
Old 03-25-2006, 11:32 AM
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z28, go to bobistheoilguy.com and read!



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