I recently switched over to Amsoil in my GS400. I switched because we started using it in our industrial gear boxes. Right off the the bat I noticed that my mileage jumped to around 22-23mpg. The only mods I have are a K&N drop in and a Carson exhaust. On a recent road trip I got around 24mpg cruising at 75mph. I am going to run a bottle of Amsoil PI through and see if that will help any more. I have always though it got really good mileage considering the sticker says 19mpg on the highway. My daily driving consists of 50/50 highway/city.
What are you guys getting mileage wise?
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gas mileage? lol.....I don't even bother to check anymore...hurts my feelings too much every time I put gas in it. I do know however I can get from North Phoenix to Las Vegas on 3/4 tank....about 12 gallons...at good cruising speeds of 70-75 mph.
I'm here to chew bubble gum and kick ***......and I don't have any bubble gum.....
no power mods on the gs400 here and i use amsoil as well. amsoil is in everything on the car and we get about 23-24mpg. but the wife has a lead foot so when she drives the car all week we get like 17mpg.
I'm envious of the mileage you all are getting. I am at HALF the mileage of most of you. I don't have a heavy foot, yes the car is tuned, and yet my mileage sucks eggs. Oh well, at least if I run out of gas and I'm on the side of the road, when someone helps me out, they can look at the pretty engine that's fuel starved!!
No more play, I'm getting serious. Got new toys!! Bring it!!