[Raymond]

i have a '70T with zenith carbs and wanted to get rid of the stock air cleaner box and replace it with K&N filters and housings sitting atop each carb respectively. the installation of the metal baseplate and filter assembly was simple and looks 10x better then the big stock air cleaner. it sounds great and gives a little more horsepower and torque, so it was a VERY worthwhile upgrade. one problem i encountered was what to do with the oil breather hose that originally routes a light oily smoke from the oil tank to a fitting on the back of the original air cleaner assembly that routed the stream of blowby back into the carbs to be burned through combustion. when you put on K&Ns there's an open-ended hose that emits a noxious blowby that definitely needs to be addressed. at first, i put a little steel wool into the end of the hose so as to keep debris from getting into the hose, and routed it into a factory hole in the firewall and pointed it under the car. well, driving the car almost KO'd me. it smelled like the exhaust pipe was routed directly into the car!!! i didn't see the logic in putting a small K&N-type filter at the end of that hose, it may keep the oily blowby from getting the engine compartment dirty (with frequent cleaning and reinstallation) but does NOT address the noxious fumes! what my dad and i came up with has worked brilliantly and looks cool too! what we did was keep the original, stock oil breather hose and run it into a Earl's Plumbing Y-fitting. the split of the Y runs two smaller diameter hoses into individual Earl's 90-degree aluminum fittings that use crush-sleeves and plug into holes drilled into the tops of the K&N filter housings. it routes the fumes equally into each carb just as the original idea was from the factory. absolutely no fumes, no oily residue in the engine compartment and completely maintenance free. please let me know if there are any questions as to this simple and clean fix. i don't have a digital camera yet or a scanner or i'd post pix.