WebDec 8, 2012 · Joined Jun 19, 2010. 4,236 Posts. #10 · Dec 8, 2012. Pontiac engineers have always had trouble with oil blowing out the valve cover oil fill/breathers. In 1964, Pontiac engineers installed oil dripper-baffles under the valve covers and that eliminated 90% of the oil blowing out the oil fill/breather cap problem on the passenger cars. WebApr 10, 2010 · 45 Posts. Discussion Starter · #1 · May 21, 2007. I have a problem with i think to much oil coming out of the valve cover breathers.i replaced them with new ones still leaks out.its a 454 chevy mid 70's block with 1970 ls6 heads with crane roller rockers.the guy i bought it from added one more hole on each cover so i have 4 …
Do Both Valve Covers Need Breathers • Check This First
WebAug 12, 2012 · The push on style breathers would always leak oil over the valve covers and eventually onto the exhaust. ... I had -12 bungs welded onto the valve covers and the Moroso catch can. ... I cant find a standard breather valve cover cap with a 5/8 or larger outlet otherwise id just get that.. they all seem to be smaller 3/8 and it was recommended ... WebDec 11, 2015 · I've got a 2009 sx-f250 ktm. Had motor rebuilt because had considerable blow by when local shop did a leak down test, rebuild under the assumption the … rbohd evolution
How to fix slobbering valve cover breathers? - Forums
WebApr 23, 2012 · It leaks enough oil that there's a big mess on the top/front of the valve cover and there was even a couple drops on the sealing edge that were about to drop onto the header. I didn't think I'd need the baffle on the breather side anyway since it should be pulling fresh air in. WebApr 23, 2012 · It leaks enough oil that there's a big mess on the top/front of the valve cover and there was even a couple drops on the sealing edge that were about to drop onto the … WebBed & Board 2-bedroom 1-bath Updated Bungalow. 1 hour to Tulsa, OK 50 minutes to Pioneer Woman You will be close to everything when you stay at this centrally-located … sims 4 custom vegan trait