Originally Posted by 1redTA
The LT1 has a 10.4-1 compression ratio, even with reverse cooling I wouldn't run 87 in it unless all you do is put around at idle or cruise
Even with the detonation sensor dialing the timing back it's still pushing things in the wrong direction using 87.
TIRE & WHEEL SALES
Two 14" Aluminum wheels $195
Two 15" Aluminum wheels $215
Four 14" Aluminum wheels $370
Free Freight within lower 48
Steel and galvanized wheels available. Spare tires too.