Thread: Escaping Oil
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07-14-2004 12:32 AM #1
Escaping Oil
I have a 502 BBC in a 82 Monte carlo that runs very good but when I run it up into the 6500 rpm range down the strip it sprays a little mist of oil along the passenger side frame rail and inner fender cover and on anything else in the area. I checked the exhaust mounted evac system and everything else that I could think of and I could not pinpoint the problem. It uses no oil at all and when I'm crusing, (I cruse a lot) this does not happen. Can anyone give me some idea of what's going on?
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07-14-2004 08:15 PM #2
Thanks for responding. I changed the lines over the winter. It did the same thing before the change. It looks like engine oil and it's mostly in the area of the fuel pump blockoff plate but it's not coming from there. It ends up on the inner fender wheelwell and
on the frame below it.
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07-14-2004 11:58 PM #3
Big Block Chevys do not have fuel pump rod bolt holes. At least my Merlin 2 block doesn't and you can eat off my motor after I clean up the little oil mist. It's not a leak, it just happens when I take it up to about 6200 - 6500 rpm's and by the time I get back to the pit area, there's nothing happening.
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08-02-2004 05:26 PM #4
tried taping off the breather holes (sealing the block) then pumping smoke into the dipstick tube? ... any engine leaks wil be blowing smoke ......
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08-02-2004 09:00 PM #5
Got a chassis dyno nearby so you can check it under power?"PLAN" your life like you will live to 120.
"LIVE" your life like you could die tomorrow.
John 3:16
>>>>>>
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08-02-2004 11:31 PM #6
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08-03-2004 06:06 AM #7
i have the same problem on my race car , 540 merlin block . i have had to get a vacume pump for the motor . the scavengers will not keep up , i have low tension rings for more hp . mine just does it at the burnout and on the big end . it is coming from the timing cover seal .
streets , these bolts on a merlin 2 block are blind holes , not like a standard bigblock.yes i drove ,the trailer didnot drive it's self
FATGIRLS ARE LIKE MOPEDS , FUN TO RIDE JUST DONT LET YOUR FRIENDS SEE YOU ON THEM
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08-03-2004 12:41 PM #8
i had that problem,in my case it was coming out
one of the breather caps on the valve cover,the
valve cover did not have shields on the inside
so the rocker arm splashed oil up thru the cap
onto the valve cover and spread from there.
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08-12-2004 08:13 AM #9
Thanks everyone for responding. Streets, yes the hole's are there but they DO NOT go all the way through. (Blind Holes)
I figured it had something to do with the crankcase pressure.
I've got a exhaust mounted system but it looks like a vacuum pump is the way to go.
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