Opinion please for a newbie
18 October 2006, 09:50 PM
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Opinion please for a newbie
Bought my first impreza turbo 2 weeks ago it is a 98 S UK car with 39k on the clock. Did an oil and filter change and everyone talked about millers oil so i bought some. The bloke in the shop when i told him the mileage recommended Millers 5-50 viscosity full synthetic. I with no mechanical knowle
dge at all took his advice and put it in my motor. After around 4 day - 80 miles i noticed that the engine was not as sweet as it was when i bought it. It was like a louder than normal tappety type noise in when both with the bonnet up and sat in the car. I took it to my local independant impreza speacialist who took it out immediately and replaced it with Millers 10-40. He stated that there may before he put the new oil in be a possiblility of engine damage but i was lucky that i had done so few miles. The new oil went in and touch wood it seems back to normal. Is and was this possible my mates say no chance but i am worried. Honest responses please.
dge at all took his advice and put it in my motor. After around 4 day - 80 miles i noticed that the engine was not as sweet as it was when i bought it. It was like a louder than normal tappety type noise in when both with the bonnet up and sat in the car. I took it to my local independant impreza speacialist who took it out immediately and replaced it with Millers 10-40. He stated that there may before he put the new oil in be a possiblility of engine damage but i was lucky that i had done so few miles. The new oil went in and touch wood it seems back to normal. Is and was this possible my mates say no chance but i am worried. Honest responses please.
19 October 2006, 01:26 PM
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Hi
The 5w50 is within the range a lot of people run on here.
OE viscosity is 5w40 for your car - you only need 50 for extra protection when running the car hard for long periods of time, trackdays for example. However, running a 50 day to day isn't going to upset the engine.
So IMO no you wouldn't have done any damage to the engine due to the oil, BUT to open a can of worms, there are lot of reports of engine failures shortly after an oil change - some say due to not following a certain procedure (pre fill filter etc). Best do a search to find the ins and out of all that!
But TBH if the car had always seen 10wXX oil, then the thinner 5W50 (at cold start) may make the engine sound different when warming up.
The 5w50 is within the range a lot of people run on here.
OE viscosity is 5w40 for your car - you only need 50 for extra protection when running the car hard for long periods of time, trackdays for example. However, running a 50 day to day isn't going to upset the engine.
So IMO no you wouldn't have done any damage to the engine due to the oil, BUT to open a can of worms, there are lot of reports of engine failures shortly after an oil change - some say due to not following a certain procedure (pre fill filter etc). Best do a search to find the ins and out of all that!
But TBH if the car had always seen 10wXX oil, then the thinner 5W50 (at cold start) may make the engine sound different when warming up.
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