finally did it jump to synthetic oil
#1
Lexus Test Driver
Thread Starter
finally did it jump to synthetic oil
finally made a change to synthetic,,,,,,, i must admit i do notice a change.... my car seems so much quieter now....... the engine revs a little faster,,,, not sure if i am gonna get better gas mileage or not,, well see........
#2
Lexus Test Driver
I don't think i've ever NOT used synthetic?
#6
Lexus Test Driver
Mobil 1 is what i've been using for a LONG time. 5w30, as recommended by lexus. I've got a bottle of 5w40 as well, but haven't used it in the Lex. I hear its not good to use any viscosity other than recommended, any truth to that?
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#8
Mobile 1 5w-30
I agree with LexSC888. I use Mobile 1, 5w-30 in both my 1992 Lexus SC400 and my 2001 Acura CL . Both run very on this oil. I have used this oil in all of my cars for many years.
#11
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#12
Despite my best intentions, I let the temp gauge in my 94 LS spike to its capacity before I noticed it last Sunday.
I shut it down & got some water in the coolant resevoir & was able to continue with my short drive. Found & fixed the leak. It was a bad o-ring on a heater bypass line that runs from the bottom of the Thermostat housing under the manifold back to the heater control valve.
Note, my LS coolant system had pressure tested A-OK ( high in fact ) when the TB & coolant & hoses had been changed the month before.
Despite my bad resource management, there was no damage to my 1UZFE engine. The extra-protection of Synthetics/Mobil 1 to extreme heat may have saved my a**!!!
damon
I shut it down & got some water in the coolant resevoir & was able to continue with my short drive. Found & fixed the leak. It was a bad o-ring on a heater bypass line that runs from the bottom of the Thermostat housing under the manifold back to the heater control valve.
Note, my LS coolant system had pressure tested A-OK ( high in fact ) when the TB & coolant & hoses had been changed the month before.
Despite my bad resource management, there was no damage to my 1UZFE engine. The extra-protection of Synthetics/Mobil 1 to extreme heat may have saved my a**!!!
damon
#13
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Originally Posted by damon
Despite my best intentions, I let the temp gauge in my 94 LS spike to its capacity before I noticed it last Sunday.
I shut it down & got some water in the coolant resevoir & was able to continue with my short drive. Found & fixed the leak. It was a bad o-ring on a heater bypass line that runs from the bottom of the Thermostat housing under the manifold back to the heater control valve.
Note, my LS coolant system had pressure tested A-OK ( high in fact ) when the TB & coolant & hoses had been changed the month before.
Despite my bad resource management, there was no damage to my 1UZFE engine. The extra-protection of Synthetics/Mobil 1 to extreme heat may have saved my a**!!!
damon
I shut it down & got some water in the coolant resevoir & was able to continue with my short drive. Found & fixed the leak. It was a bad o-ring on a heater bypass line that runs from the bottom of the Thermostat housing under the manifold back to the heater control valve.
Note, my LS coolant system had pressure tested A-OK ( high in fact ) when the TB & coolant & hoses had been changed the month before.
Despite my bad resource management, there was no damage to my 1UZFE engine. The extra-protection of Synthetics/Mobil 1 to extreme heat may have saved my a**!!!
damon
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Originally Posted by b1gredek
finally made a change to synthetic,,,,,,, i must admit i do notice a change.... my car seems so much quieter now....... the engine revs a little faster,,,, not sure if i am gonna get better gas mileage or not,, well see........
use conventional(sp?) oil. put a magnet on the bottom of the pan at ur oil change pull off the pan and look at the residue tell me what u find
do the same with syn. u will see a difference