glanga
Dedicated LVC Member
And you'll notice most of my complaints were about coils going. Even when 2 coils were out I still maintained between 18 and 19 mpg and that was with mostly local driving since I avoided the highways or driving at all with coils out.
I don't know what to tell you. You can say it's BS or impossible or I'm lying all you want, but I know the difference between a smooth running engine and one that is knocking due to using lower grade gas. Again, I got between 21 and 22 mpg using nothing but 87 octance and some regularly scheduled maintenance.
If you'd like I can go take a picture of the Seville which has a compression ratio close to the LS and a 4.6L engine. I only use 87 in that and last I checked the trip computer said it was getting 20.8 MPG. That car also has near 160,000 miles and like I said before I've only ever used 87 in it since the day it was purchased in 2000 with 20,000 miles on it and it has never had any major engine problems whatsoever. I've never replaced a seal or gasket or anything on the car.
I don't know what to tell you. You can say it's BS or impossible or I'm lying all you want, but I know the difference between a smooth running engine and one that is knocking due to using lower grade gas. Again, I got between 21 and 22 mpg using nothing but 87 octance and some regularly scheduled maintenance.
If you'd like I can go take a picture of the Seville which has a compression ratio close to the LS and a 4.6L engine. I only use 87 in that and last I checked the trip computer said it was getting 20.8 MPG. That car also has near 160,000 miles and like I said before I've only ever used 87 in it since the day it was purchased in 2000 with 20,000 miles on it and it has never had any major engine problems whatsoever. I've never replaced a seal or gasket or anything on the car.