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I bought back several months ago or so a new to me Toyota MR2 and promptly changed the oil, as I should have, to GC 0W-30. About time for an oil change, and due to GC's availability, or rather lack of, I want to change to a good synthetic. While of course, no oil is truly compatible with GC, I...

I have a question regarding Auto RX. As per some of my previous posts i have been anti "snake oil" additives, having been sucked in by Slick 50 years ago (BEFORE BITOG educated!). It seems everyone is gung-ho on Auto RX...but my question is, does anyone have actual documentation that it cleans...

I have switched my 92 Harley FXSTC to synthetic, running M1 15W-50...i was previously running dino oil..during the heat of the summer, idling in traffic, 100++ degrees (110 not uncommon, 115 a few days), the oil tank dipstick temp gauge would register up to 215 degrees. Seemed to hover a lot...

Dropped by to check on a battery for wifey's truck and noticed a few containers of GC...asked one of the clerks if i could see if there were some still in the case in the back and got permission to enter the "forbidden zone". SCORE...3 cases, six per case, of GC, M04280XXX... and yes, faintly...

At the 40,000 mile mark i changed my Saturn SC2 from dino oil (Penz 5W-30) it had all it's life to M1. While i noticed a bit more engine noise but nothing objectional, it did use approximately 1 quart of oil in 3000 miles. Previously, on dino, it never used any measurable amount in between oil...

yes...i researched this a bit, but i really am wondering...i have a couple motorcycles now...my car is getting drove much less and, between the car and bikes, none are getting a lot miles put on them. OCI's are frequently toted as say, "3000 miles/3 months". Does the oil go "bad". My thoughts...

Okay, i have a question... I LIKE GC...for many reasons...lubrication just being oe of them....but i have a question not GC specific... Does a oil that is rated OW lubricate the upper end of a engine faster than a 5W or 10W oil would? Logic, at least to my pea sized brain, seems to say it...

Okay, it was dream. Last oil change I had M1 5W-30 put in my Saturn SC2. So last night, while in la-la land, I heard soft music in the background. I think the song was, "Do you believe in magic". After a few moments, 3 elves appeared...they told me that my mileage on the M1 was nearing 3000 and...

I have a 99 Saturn SC2 1.9L that has 45,000 miles on it. 2200 miles ago i changed from Pennzoil 5W-30 to M1 5W-30. Prior to the oil change the car used virually no oil during the 3000 mile OCI. This is the first fill of M1 the car has had, it being a "dino baby" all its life till this last...

I have a 99 SC2, 3 door, 5 sp manual, that has around 46xxx miles on it. Bought it new in 2000. Changed the transmission fluid on it for the first time about two weeks ago. The owners manual calls for either Saturn's factory fluid (of course) or ATF. I went with the Mobil 1 just to give the...

I recently had a UOA run by Blackstone Labs. Generally the report came out fine, i was more interesting to see if any issues had occured with the car had been driven 10-12 miles in stop-and-go traffic with the belt off the water pump. The really only abnormality was a high silicon level, 15, as...

Someone give me the basics on Moly...i understand it reduces friction/friction modifier...is that a true statement? I noticed that GC has no moly, is that a benefit? At what point is there "enough" moly. For example, i understand M1 V-Twin oil has recently been reformulated, went from like...

I am fairly new here and absolute love the opinions/information that is presented. There are some things i dont understand and wrote a Mod a question, he suggested i start a topic on it, which seems like a good idea...I asked him what TBN was and received this response: TBN,total base number.How...

Okay, i confess to being a bit confused. Someone give me their opinion. I have been running Mobil 1 "Red Cap" 15W-45 in my 1992 FXSTC. Now with all the reformulations it seems that the Mobil 1 V-Twin Oil maybe the oil of choice. Prior to the "new and improved" series from Mobil 1, V-Twin oil...

I searched for, and didnt find, any information on the new Mobil 1 synthetics out. Just curious what has changed, is there a thread on this somewhere i missed or does anyone know what is going on? darrell sin city

I did a search for this and didnt find it so pardon if i am asking a FAQ. What is the optimal (best) operating temperature for engine? Is the best operating temp different between engines, say gasoline vs. diesel? Opinions? Darrell sin city

After a bit of thought and reading various posts here and other sites i finished Monday in changing my engine oil to Mobil 1 15W-50 Red Top and transmission to Mobil 1 Synthetic gear oil in 75W-90. The bike has 30,000 miles on it, i bought it new in 92. Has an oil cooler, at this point used a...

I am new to this forum so pardon if not posted in the correct area. I have a HD FXSTC, 92 Model, that i bought new. Have used Castrol 20w-50 in it but just recently swapped to red top M1 15W-50. My primary reason for the swap was a bit more high temperature protecttion, bike is generally rode...