During my rebuild, I had replaced all 6 core plugs (from MMI) on my rebuild for the block, head and manifold. I now have 2 of the 3 small (7/8" plugs) weeping a bit, one in the head and one in the manifold. I cleaned and inspected the seat, make sure the plug was snug in pocket before flattening.
I used Permatex #1 (hardening sealer) in the pocket and then drove in plug with a socket to support the out rim while driving in. Then I flattened the center with a smaller socket and hammer. Then I waited a day for the #1 to harden and repainted.
Looking at the A4 360 deg pics on the MM site, I notice they look to have single dimple in the core plug on the manifold.
So any hints on what works best on the smaller plugs? I'm 3 for 3 on the large plugs but only 1 for 3 on the small.
I used Permatex #1 (hardening sealer) in the pocket and then drove in plug with a socket to support the out rim while driving in. Then I flattened the center with a smaller socket and hammer. Then I waited a day for the #1 to harden and repainted.
Looking at the A4 360 deg pics on the MM site, I notice they look to have single dimple in the core plug on the manifold.
So any hints on what works best on the smaller plugs? I'm 3 for 3 on the large plugs but only 1 for 3 on the small.
Comment