Originally Posted by 71Pan
Just pulling apart 408 bracket motor. 12-1 Ft cam ported Eddie heads. Broke motor in with Amsoil 30wt breakin oil. He ran the 20-50 zrod oil. The bottom of the oil pan had a blob of sludge in it jelly like. It was about 1/4 quart of oil. Should have taken pics but didnt. Is it from avgas and running to much jet in carb rich? I am a Amsoil fan just a little shocked


send in an oil sample, that will tell you everything.

Last edited by csk; 11/14/19 05:46 PM.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5