Edelbrock tuning issues

If it is hard to see the timing scale because of the water pump. You need to make sure you have matched parts. What side of the motor is the timing scale on? Usually when the pump is in the way, you have a driverside inlet water pump and driverside timing scale. That is old style pump and new style cover. So which balancer do you have? If it is old style, with old timing line, you are way out on timing if you use the new timing scale. The old style is passenger side scale, driverside pump inlet. New style is flipped. I’m running a new style cover and old style pump. Easy to deal with, but you have to know the line on the balancer and on the scale line up at TDC. I have to run timing tape and the old bolt on scale with my aftermarket balancer.