Mechanics

, E80, , 2E ENGINE REBUILT, WHICH ENGINE OIL VISCOSITY IS BEST ?

1986 Toyota Corolla • 170,000 miles

Car mileage 180,000 km and piston rings were changed, head gasket and valve seals replaced, engine oil chamber opened and then siliconed. Then I put 20W-50 engine oil and engine ran a little hard when starting, but is ok once started. Now I changed the engine oil after 3000 Km, and my mechanic told me to put a thinner oil, 10W-40. Is thinner oil will be better? Or should I use the same thick engine oil of 20W-50? Please comment.
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Waqas27
May 14, 2012.



I like 20-50 on older vehicles. But I by whats on sale so I get 10-30 and 10-40 also. I also use LUCAS oil stabilizer to keep more oil in the bearings when not running. Increases viscosity to.

Tiny
Fixitmr
May 14, 2012.