RE: How to time a 97 blazer 4.3 vortec
Timing is off the #1 piston.
#1 piston at TDC on compression stroke. Drivers side, furthest from the driver.
I dropped my distriburator in so that the rotor points to the #1 piston.
"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sold
'00 S10-Blazer 4x4x4 - 212,000 miles-Sold
'04 Trailblazer 4x4x4- 56,000 miles new DD.