Quote:
Originally Posted by jcal87
The persons mechanic I got the car from recommended Amsoil 20w-50 full synthetic. However, I called the shop who built the motor and they said they only use that weight of oil to dyno with. Then they recommend to drop down to a conventional 10W-30 in the winter and a 10W-40 in the summer.
They also said only to use synthetic during break in then switch to a conventional oil. I have talked to a few friends of mine and a mechanic and they say go with a 10W-30 conventional or synthetic and switching back won’t hurt the engine if I decide to go with conventional.
Can anyone add some clarification to this? The car is leaking a bit of oil and I won’t to get the right stuff in there this time around. I posted a pic of the engine build sheet below.
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Hi,
My thoughts are I would just make it as simple on yourself as possible and not use conventional if you can afford synthetic. I'd pick 1 viscosity oil and run that year round. Based on what you said I'd pick the 10w40 because you don't get really cold temps for any extended period of time in Texas. Have the UPS man deliver your AMSOIL oil and filters and all your other lubricants to your door to make it even easier on you.
Here's a link to free shipping on orders of 100 or more directly from AMSOIL