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Hi guys.. Just wonder..does oil after cold winter get more gasoline mix.. cause during warm up the car .. ecu sends more fuel into cylinders to get engine to operation temperature.. as result more gasoline in oil and reducing effectiveness.. Does it has some negative effect on engine ..when...

Hi guys ! Just wonder if somebody could share some opinions What better Group III oil with a lot additive packages vs True synthetic Group IV or V oil ??? Which one is the best ? Does Additives in group III makes oil more worth then true synthetic ? If so why use real synthetic and waist a money ?

Hi! Seems like many cars using 0w20 weight ... For example if car specs require 0w20 but I want to use 0w30 at summer will it protect the engine better?? What if the main difference 0w20 vs 0w30 ? Does 0w20 flow better ? I heard that thicker oil like Xw40 prtotect better ? Is the true ?

Hi ! Why some people say that ..you can't use synthetic oil if you run before semisynhtetic or conventional oil ???? Sound so weird!

Is the Castrol most common oil in Europe? Does it means it made different? Better?

Hi ! I running now Castrol GTX 10W40 HM ... and I having a very small seeping at rear main seal and around oil filter housing .. and I always have some oil drops on my parking spot.. but in the last 6 month since I start using Castrol I have a lot less oil seeping and no more oil burn off ...

Just wonder of RedLine oil 0w40 will worth it instead of Castol 0w40 or Mobil 1 0w40 ? It bit more pricey ... but.. is it going to protect better and last longer ? And yes.. have to decide sweet spot between money and effectiveness?

My car burnung oil ... so just wonder is any good Syntetic oil tahts has less phosphorus and zinc ? I just afraid of damaging catalytyc converter ... I know Castrol GTX HM has reduced amount of it....phosporus and zinc And btw is it worth it to look for this? Any difference between Syntetic oil...

Mercedes Genuine oil 5w40 , 3976 miles, Mercedes 01 E430 m113 engine

Does Castrol GTX HM have some cleaning power...??? My car in the past had neglected service from previous owner .... my valve train looks very dark yellowish color ..and had some deposits on valve covers also .... Do Castrol GTX HM can clean overtime this ..... plus i have a oil consumption and...

Hi guys ... I have Mercedes 2001 E430 138xxx miles ...its a M113 V8 engine owned about a 1.5 years Mercedes specs requred 0w40 or 5w40 ... 229.5 Previous owner seems like neglected oil change..due the deposits on valve covers ..and seem like conventional oil was used ... Can I use 10w40 in this...

Hi .. have a question .... how well 10w40 gtx high mileage do in cold winter at 5F ? Shuld i switch to 5w40 for winter .. and i have old battery 13 years old.. last winter my battery was work fine .. but when my sits for 2 days in very cold temp ,, its kind of hard to start .. but it start every...

Hi guys ! I am new here.. I need Help to decide ... I have Mercedes E430 4matic 2001, it has 127788 miles on it... I bought last summer .it was poor maintain because it had some oil build up on valve covers.. iv cleaned last summer . I only used synthetic oil Pennzoil,Mobil1 and now I run Liqui...