Ford Y Block Road Draft Tube
Ditching the draft tube on a y block.
Ford y block road draft tube. The draft tube connected into the valley cover. Kult that group 8 diagram california emissions i d bet does not evacuate the valve covers. In mid to late 1970 s california decided that all vehicles had to have emission control. Things like road draft tubes and single well master cylinders are.
Sludge buildup in the road draft tube and filter of an engine prevent the engine s crankcase from properly venting noxious gasses and moisture which can lead to serious problems. Forum members last active. Another spot of contention is the face of the road draft tube where it bolts to the block. Now we have closed systems and try to avoid pushing out pollutants whenever possible.
Do away with the draft tube and install a pcv system. 1 353 33 ford 292 deluxe stage 1 engine kit 1955 64 pistons valves torque cam gaskets. None of the y blocks had a hole in the block for the road draft vent tube. 1 999 99 deluxe engine rebuild kit 55 ford mercury 292 v8 new 1955 pistons valves cam.
It had a different road draft tube then the 57 and later y blocks where it is on the block down low up front and i can use both and the pcv. If you can find one of the later valley pans it will have the necessary hole at the back with a baffle underneath. Then it was moved to the valley pan and finally eliminated with the pcv valve. Motors dripped and puked oil smoke and it was just fine.
Lorena texas south of waco reply. This thing basically allowed burned oil to. My take is to leave the seperator. Early y blocks did not have any hole at the back of the valley pan.
Keeping the original road draft tube late v8 1954 the ford barn. If you are worried about point deductions do not put a pcv system on it when my 55 sunliner gets a y block again its going to to get the early 60s factory pcv system and have the original road draft tube blocked off and be on there just to look original. They re easy to fab up and you can get plenty of help and info on fabbing and sizing the pcv valve properly on this forum. And it s hardly a proficient system which is why they only had it a few years.
Ford 292 y block engine 1955 six deuces carbs edelbrock intake hot rat rod v8. There should be a oil seperator baffle deal under the valley cover directly in line with the mounting point for the draft tube. If this is not true or straight then oil is simply leaking at this point. October 16 2009 so back in my truck s heyday there really weren t too many concerns about the environment.
Posted 12 years ago. I ve watched all my y block cars spouting a nice little cloud out of the draft tube after a hot drive of any length. 1 318 02 ford 292 deluxe engine kit 1956 63 pistons valves. It looks like crap and get s oil splatters all over the shiny stuff you just worked so hard to clean under there.
I have been a firm believer of the value of positive crankcase valves pcv since they first appeared on the 63 model vehicles. The road draft tube was located on the drivers side of the block. So my 292 was equipped with something called a draft tube. But i like the idea of doing away with the road draft tube anyhow and going with a pcv system.
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