Usually start out at about 8 BTDC and advance a little at a time until pinging is noticed, then back off 2 degrees.
4 degrees advanced.
9 - 10 degrees
350-85 = 265
31 is prime, but 39, 74 and 85 are not prime.
The Chevrolet 350 V8 does not have a timing belt. It has a chain.The Chevrolet 350 V8 does not have a timing belt. It has a chain.
7400/85
To find 74 perccent of a number, multiply the number by 0.74. In this instance, 0.74 x 350 = 259. Therefore, 74 percent of 350 is equal to 259.
From 74 hours to 85 hours is a 14.8649% increase.
timing for 1984 350 is 18436572
87%
6290
74 * 85 = 6290