New best with the 4L80
tripping the beams sideways
not sure what happen yet, gonna pull the heads tomorrow. something happen on the drivers side of the motor and pressurized the cooling system and blew the upper radiator hose off after 1000ft. 14#'s, 13 degrees timing, 93 octane. afr was leaner than normal, usually i run 11.3, for some reason this pass was 11.8. she was on on a hell of a pass though so i figure id stay in it cause i didnt think it was too lean, whoops. eighth was 6.51 @ 110.4
be careful out there, **** happens fast
Flash back story. Popped an oil filter gasket on a 440 one time in the lights in my 69 Valiant (second pass of the day). Same gospel moment as yours but was in the right lane. Took it to town to the car wash on the trailer, new filter and oil. Lost exactly a tenth with conventional oil vs. the synthetic I dumped. Went a few rounds that night to the final 4. My father in law told me I was the luckiest SOB ever. I told him not so much or I would have won. He told me I was lucky and greedy

I ran a System 1 Filter on every race motor after that btw. Have a similar cleanable style in the garage right now from Purolator for that reason going on the WS6 next oil change.
Great job
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Now get that drivers seat steam cleaned A.S.A.P. !