Originally Posted by Danger_Dorn

So...did a compression test today. Found out cylinder 4 (one closest to the firewall?) was the only one with compression at about 100. The other cylinders had 0. Not sure whats going on. Cosworth Metal headgasket, Arp headstuds torqued to 90, copper tack spray on both sides of the HG. I dont know what else to do or if I should do a tear down and put new piston rings in...This is my DD and its already been down for like a month between waiting on parts and BS. Thanks