Years and years of abuse on a 12:1 493 with Indy heads. I reuse them also. II just dont or know anyone who has trouble sealing these big Mopar engines..
[color:"red"]65 Hemi Belvedere coming soon [/color] [color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
