1972 GMC w/snotty cam and 3" exhaust

[groundloop07]

please don't respond to this.

[chevy327sm]

whats the compression ? 

[77zhawk]

What else besides that cam did you do to the engine?

[fudgesickle1]

Sounds good! I am build a 72 chevy and plan on using the same type of exhaust setup with the 40 series and turnouts in front of the rear tires. Your truck doesn't seem like it is too loud, do you have any trouble with law?

[dehomeboy1991]

that sounds sick man. very nice

[TheExtremetree]

Awesome!