10W30 for the FD?
#1
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10W30 for the FD?
the factory manual recomends 10W30 oil so i take their word for it and use 10-30 castrol GTX. i know people use thicker oil, and i was thinking that since the FD runs so hot, wouldnt i want something thicker? thicker oil should be worse for the car at startup, but better when the motor is running full blast right? just wondering what other people use and why.
#4
if it is cold where you live , like for the time the oil is in the car it will not go over 50f, you can use 10-30 in the summer here in fl where it is like 130 on a black-top highway i use 20-50. the 10-30 wont get me 50 psi at 3000 in that heat for long
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#12
Eats, Sleeps, Dreams Rotary
I was using 0w30 synthetic for a while.
From what I understood by Mobil 1, the "0" flows better at cold temps limiting startup wear, but once it gets to operating temps, it acts as normal 30 weight oil...
for what its worth
From what I understood by Mobil 1, the "0" flows better at cold temps limiting startup wear, but once it gets to operating temps, it acts as normal 30 weight oil...
for what its worth
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thanks for all the good replies everyone! ok i have a few things to add:
i remember reading (multiple places) that weights with a huge separation (such as 15-50) are achieved with (damn now i cant remember the name... it it a polymer? anyway its an additive that extends the viscosity range of an oil) anyway, they these additives are said to leave a residue when burned... maybe im not remembering this correctly, so if im wrong someone correct me... basically what i retained was stay away from oils w/ large differences in viscosity ratings.
so in regard to 20w-50 shouldnt you get more internal wear on startup since 20-50 doesnt lubricate as well when its cold?? also, it will be harder to move through the turbos, so will that contribute to increased turbo wear when cold as well. on the flip side, the thicker oil is more likely to stick to the rotor,housings,seals etc so maybe it would provide MORE protection on startup... especially if the car is stored for longer periods of time. these are just assumptions on my part... what does everyone else think/know? -heath
i remember reading (multiple places) that weights with a huge separation (such as 15-50) are achieved with (damn now i cant remember the name... it it a polymer? anyway its an additive that extends the viscosity range of an oil) anyway, they these additives are said to leave a residue when burned... maybe im not remembering this correctly, so if im wrong someone correct me... basically what i retained was stay away from oils w/ large differences in viscosity ratings.
so in regard to 20w-50 shouldnt you get more internal wear on startup since 20-50 doesnt lubricate as well when its cold?? also, it will be harder to move through the turbos, so will that contribute to increased turbo wear when cold as well. on the flip side, the thicker oil is more likely to stick to the rotor,housings,seals etc so maybe it would provide MORE protection on startup... especially if the car is stored for longer periods of time. these are just assumptions on my part... what does everyone else think/know? -heath
#15
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I use 20-50 all year round. But then I have the car parted in a heated garage. Once the car is warm the temp out side doesn't really matter. But please correct me if I am wrong.
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20w50 Castrol GTX for my FD. Changed every 2.5K miles. South Texas climate gets pretty hot in the Summer. In Winter we rarely see temps dip into the 20s.
#17
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Originally posted by RotorMotor
i remember reading (multiple places) that weights with a huge separation (such as 15-50) are achieved with (damn now i cant remember the name... it it a polymer? anyway its an additive that extends the viscosity range of an oil) anyway, they these additives are said to leave a residue when burned... maybe im not remembering this correctly, so if im wrong someone correct me... basically what i retained was stay away from oils w/ large differences in viscosity ratings.
i remember reading (multiple places) that weights with a huge separation (such as 15-50) are achieved with (damn now i cant remember the name... it it a polymer? anyway its an additive that extends the viscosity range of an oil) anyway, they these additives are said to leave a residue when burned... maybe im not remembering this correctly, so if im wrong someone correct me... basically what i retained was stay away from oils w/ large differences in viscosity ratings.
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Originally posted by dubulup
winter 10W30...summer 15W50.
winter 10W30...summer 15W50.
I change to a 10/30 for Dec, Jan, Feb, & part of March. Than its time to change back to 20/50.
Hey 7racer, who makes a 10/60 oil? I assume it must be synthetic.
#20
Eats, Sleeps, Dreams Rotary
yes....only castrol but it is expensive! Mobil 1 is suppose to be coming out with one also...
here is a thread on the m3forum
http://www.m3forum.net/m3forum/showt...&highlight=oil
here is a thread on the m3forum
http://www.m3forum.net/m3forum/showt...&highlight=oil
#21
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Originally posted by 7racer
yes....only castrol but it is expensive! Mobil 1 is suppose to be coming out with one also...
here is a thread on the m3forum
http://www.m3forum.net/m3forum/showt...&highlight=oil
yes....only castrol but it is expensive! Mobil 1 is suppose to be coming out with one also...
here is a thread on the m3forum
http://www.m3forum.net/m3forum/showt...&highlight=oil