Author Topic: Vacuum pump, Valve cover gasket, and Fire  (Read 474 times)

Offline cudabob496

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Vacuum pump, Valve cover gasket, and Fire
« on: July 14, 2014 - 07:25:12 PM »
Saw an article where a guy was running a vacuum pump on his crank case, which
can add 30+ horsepower, due to the pistons not pushing air when they in the downstroke
mode. Only problem was, on a high speed run, the vacuum pump pulley broke, the crankcase saw
a spike in pressure, and a valve cover gasket developed a leak, spraying oil on the headers, and
the guy became a high speed ball of flames going down the track. Suppose there are a few lessons
there!!

I do have some oil seepage on my headers, and when I start the car, I get some smoke for about 5 to 10 seconds.
Guess I better be watching for flames! Especially with a fiberglass hood.
« Last Edit: July 14, 2014 - 07:27:31 PM by cudabob496 »
72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

2011 Kawasaki Z1000