Easiest/Cheapest way to a 4bbl 318?

LXguy said

With the super low compression stock 318, you need torque/power right off idle.
Steve

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What is the compression on one of these dudes? What's the easiest/cheapest way to raise it?

And last question (hopefully), the research I've done suggests that I have an 8.25 rearend in the car...what's the best way to make sure?