What Octain to run in a 78 Corvette
07-06-2004, 11:52 AM
#1
Safety Car
Thread Starter
What Octain to run in a 78 Corvette
Just got the 78 on the road and was wondering what Octain Chevy says to run in a stock 78 350? 
07-06-2004, 05:23 PM
#4
Safety Car
Re: What Octain to run in a 78 Corvette (Chucks87)
On mine I need to go at least mid-grade or I get a ping at times. The general rule for fuel I have read is use the lowest grade possible where the car runs fine. Otherwise you are just wasting money.
