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04-07-2012 03:07 PM #1
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problems!
ive got a sbc blowing oil out the breathers at high rev.............why???????????any help would be great!!!!
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04-07-2012 03:35 PM #2
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whats hi ? ... buy a better set of breathers. baffles .stand off towers help keep oil in the covers. in a engine there is volume on top of the piston coming in. there is volume under the pistons the more Rpm + pumping speed = blow by can happenLast edited by pat mccarthy; 04-07-2012 at 07:04 PM.
Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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04-08-2012 11:56 AM #3
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I concur w/Pat. If it's a brand new engine you may have pressure differential until rings seat. If it's an old tired engine, may have blow-by from tired rings.. try breather on one side and PCV with vacuum to intake manifold on the other side."Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil
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04-09-2012 01:05 PM #4
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I'd make sure it has baffles in the valve covers as well.Ryan
1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
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04-09-2012 01:45 PM #5
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i did say that he neededs baffles . but if rings are on there way out or not seating not to sure about a pcv valve it may suck oil into fuel air mix and thats not good . race stuff better to see it blow out the breather then suck it in and try to burn itIrish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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04-12-2012 07:33 PM #6
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I remember years back with a 327 block I used to run it had the blow by tube on it, I replaced it with a rubber plug, when I tacked it up to 5-5500 rpm it would blow the plug out, even with breathers
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