Hood Tach Placement

Q: Hood Tach Placement

I just bought an aftermarket hood tach for my Firebird. Now, where to I put it?

A: I’ll give it a try… here goes….All references are as though you are sitting in the drivers seat; therefore “right” means closest to the center of the hood, “front” means closest to the bumper, etc. Aussies, you’re on your own!

1. From the left rear corner of the tach to the left edge of the hood is 4.75″

2. From the left rear corner of the tach to the rear edge of the hood is 3.75″

3. From the right rear corner of the tach to the rear edge of the hood is 2 13/16″ (two and thirteen sixteenths inches)

Ulitmately, I would fudge these numbers a little bit in order to get the tach face square to the axis of the car.

Hole size required in the hood is 3.75″. It is not drilled directly in the middle of the tach space, but is offset in one direction to accommodate the tach housing and wires below. I had a paper detailing this hole as well, but I’ve misplaced it. You’re on your own with that. If I find it, I’ll let the group know…

A: Some good videos:

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