Oil leaks

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BigAl47
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Oil leaks

Post by BigAl47 »

What are the most common places for oil leaks on a 360 engine. It’s in my 72 f250 :fr:
cep62
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Re: Oil leaks

Post by cep62 »

Everywhere :D
Ohiotinkerer
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Re: Oil leaks

Post by Ohiotinkerer »

cep62 wrote:Everywhere :D

Oh come on........we're not talking about Chevys here......the original American road oiler....... :evil:

Seriously thought...the only places mine has leaked is the valve covers on the rear side of the engine and my rear main may be leaking just a little.....other than that nothing else in 4000 miles........ :thup:
"Life is a garden - dig it"........... :thup:

1968 F100 2wd - Rangoon Red - 360 w/T18 - power steering and brakes
1997 Honda CBR 900RR
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sargentrs
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Re: Oil leaks

Post by sargentrs »

I'm a small block guy but rear of intake has always been my worst nightmare. Also had problems with oil pan every I've tried to replace gaskets while still in the truck. If I'm doing it I'll pull the engine, put it on the stand, flip it upside down and do it, the rear main and the timing cover all at once. No better time to inspect/replace the timing chain, water pump and thermostat while I'm at it. Heck, at that point, I usually wind up resealing the whole engine and check/replace freeze plugs. You'll be glad you did.
Randy
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
davelj
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Re: Oil leaks

Post by davelj »

Ends of the intake and rear main seal can be tough to seal if the engine has been apart. Valve covers can leak just from age.
nooptions69
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Re: Oil leaks

Post by nooptions69 »

On an FE I agree on the ends of the intake and especially the rear main. Have to get those side seals right and sealed at both ends. When apart, in critical seal areas I use "The Right Stuff". It ain't cheap but it is easily head and shoulders above other RTV sealants. I use a dab at the intake/head mating spot where the valve cover seals too, another area prone to "trickle" leaks. How bad is the leak, is it a nuisance or something that's got you pouring in a quart every 100 miles?
Len
'69 F100 4x2 short 300 six stick w/overdrive
'64 Galaxie 500 445 CID 390 Toploader.
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