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-   -   Leaking 351.. Looking for ideas (http://www.clubcobra.com/forums/small-block-talk/79137-leaking-351-looking-ideas.html)

onefastmustang 05-22-2007 09:26 PM

Leaking 351.. Looking for ideas
 
So I have this 1969 351 Windsor I rebuilt last year. The car had never been driven until this week.. Fired up plenty, never dripped a drop. Now that it's actually being driven around it likes to spew small amounts of oil on my garage floor. It is coming from the front of the engine. I can see it coming off of the front of the oil pan at the bottom of the pan but I can't seem to locate the source at all. Could it be the dipstick, timing cover seal, oil pan gasket?? all of the above..? If I start the car and let it idle it doesn't leak.. It's only when it is driven. Looking for ideas on ways to track it down.. Dye with a blacklight:LOL: ??

LMH 05-22-2007 10:37 PM

Best way I know is to clean it real well and maybe run it while looking at the suspected area.
Also check the balancer for oil. Could be the front main seal.
Larry

bobcowan 05-23-2007 07:49 AM

I was chasing an oil leak in the same area. Couldn't find it, very frustrating.

I had my car at Lou's Cars in Littleton for some tuning. He has a neat little machine that injects smoke into the engine. Where the smoke comes out is the leak. Took less than 10 minutes to find it. Turned out to be the fuel pump block off plate.

Find a shop that has one of these cool machines. It will cost you a little to find the leak. But it's so quick and easy, it's worth every penny.

onefastmustang 05-23-2007 08:57 AM

Hmmm.. I wonder if I could do the same thing with my fog machine.. ahhaha

DAVID GAGNARD 05-23-2007 09:08 AM

Could it be lack of venting in the motor, at idle venting would be o-k, but under a load or higher rpms it may not be getting enough crankcase ventalation and casuing some pressure in the crankcase and forcing the oil out the front of the motor???????????

David

trularin 05-23-2007 11:50 AM

It is not leaking, it is marking it's territory.

:LOL:

onefastmustang 05-23-2007 11:59 AM

Just like it did on my wifes calf.. heheh

Well it better stop soon.. I plan to put a new floor down in the garage soon..


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