I used rtv on my 461. Then I had a lifter ticker. I changed it in car. It was a bear removing the valley pan. I reinstalled it with the cork gasket sealed with petroleum jelly. Then another lifter failed. (Then replaced them all.) Glad I didn't have to fight with rtv again.
__________________
Frank M.
75 Firebird
68 Firebird 400 RAIII
66 Chevy II 461 Pontiac in AZ
|