What's to recap? I watched the show...they tried acetone in the gas...no effect. Actually got a little less mileage, but that could be from a lot of things. As could people seeing increased mileage...that could be a lot of things too. Read post #36.
Personally, I don't see how it could...
Note Jag said for "any engine"...the 7M-GTE is a bit different in this respect in the way the cooler circuit works. The cooler relief valve functions at ~40 psi to direct oil flow to the cooler, then to the pan. As a result, you will not see much above 40 psi on a turbo motor. As a general...
Read post #8 again ;)
To be honest, I wouldn't change the LSD oil unless it is causing you a problem or needs it (every 20,000 miles). If it's not broke, don't fix it ;)
You know what...you're right. Just did a little more research on the following Amsoil oils:
ASM 0W-20
ASL 5W-30
AFL 5W-40
ATM 10W-30
AMO 10W-40
All are a PAO Group IV synthetic. Looks like I had a senior moment over here ;)
Thanks for the correction...Amsoil has changed their...
Nope...7M-GE motors do not have an oil cooler. Neither does the 1J motor and it needs one IMO due to the heat generated by the turbos.
Red Line 75W-90 is too slippery for the tranny...it contains friction modifiers meant for a LSD. MT-90 is a different anamial...no friction modifiers. It...
That is very good pressure...you will not have a problem switching to 5W-30. The only thing you may see is a drop in psi to 10 or so at idle and it will peak out at 50 psi or so at high rpm. This is a good thing...you will get max flow to your bearings...keep in mind higher pressure also means...
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