Has anyone ever plumbed exhaust evacuation to the fuel pump block off plate on a non-common block? I remember Ed Peters did so many moons ago. Shoot me your suggestions or pics. I am particularly looking for what fittings to use without welding.
Has anyone ever plumbed exhaust evacuation to the fuel pump block off plate on a non-common block? I remember Ed Peters did so many moons ago. Shoot me your suggestions or pics. I am particularly looking for what fittings to use without welding.
yeap
put an elbow facing down in on a plate and bolted it to the fuel pump hole
ran it to a smalll seperator then to my downpipe with a check valve
1st run on the dyno and it sucked 1/2 qt. of oil out of the crankcase
blocked it off and went back to the valve cover
forgot that the oil drain back hole is right above it probally to help lube the oil pump
oh well worth a shot
Yeah, I had read you had that problem once before but my question is did you run a free vent filter on your valve cover? I know that with my experience I couldn't run a sealed system or it would suck the oil out.Originally Posted by "Top Fuel" Bender
I did it too.
Pointed the elbow up, ran a 1/2" drip loop hose up under the AC bracket and looped it back down and then to an exhaust evac check valve located way back in the over axle bend of the 3". Worked fine until I cracked a Mahle, then made a BIG D***N white/grey cloud.
So, maybe the distance attenuated the suction?
Don't have it hooked up now as now its a CB.
John Laing
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yeap
k&N filter on the valve cover
btw my elbow was pointing down
I've been venting the crankcase from a Tee in the dip stick tube, via a catch can. Evacuated by a tube to the airbox.No more "rising dipstick" or oil slime.
Well...I didn't have any problem at the valve cover. I agree with what has been said about venting pressure the opposite way of oil flow but I never had any problems at all.
One last thought...
I have seen very few cars in my day that have been vented through the block...in fact I have sen very few high performance engines vented anywhere other than the valve cover now that I think about it.
Thanks guys
Ed actually didnt run hose to exh. It went from block off plate to dr side of head where the bolt holds the oil/water lines. Have to drill/tap 1/2 hole for fittings. Doing that was suppose to let oil from top end have another way to oil pan and also release some pressure in crankcase to v/c, where it can escape through the v/c filter. One day im prob gonna run it to exh,jus so many other small things to do.
Now that you mention that I seem to remember he did so as to equalize pressure between the block and the head...thanks!Ed actually didnt run hose to exh. It went from block off plate to dr side of head where the bolt holds the oil/water lines. Have to drill/tap 3/8 hole for fittings. Doing that was suppose to let oil from top end have another way to oil pan and also release some pressure in crankcase to v/c, where it can escape through the v/c filter. One day im prob gonna run it to exh,jus so many other small things to do.
Thats what I was thinking about doing, well no T just pull the stick and connect a hose.I've been venting the crankcase from a Tee in the dip stick tube, via a catch can. Evacuated by a tube to the airbox.
That was how I tested the concept.Went with the tee for convience, and to make it look purty.
That is what I do on my SC. Just a hose to a catch can.
SDAC member "It's not the ride, it's the rider."
I chose to vent the catch can to a 1/4 " hose connection on my air box.Just to draw vapors. Our dipstick tubes are actually 3/8" tube dimension. You can use 3/8 copper fittings to pipe it anywhere.
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