4.0 engine rebuild

mosher41 · Apr 17, 2010

Guys,
I will have the engine out tomorrow. Stilll have not really found root cause for the oil smoke out the exhaust WE WILL

I have found several chioces for rebuild kits and after-market parts but cant know all of them, so please send me any part suppliers you might think would be good for a complete engine rebuild.

99 4.0 OHV

Big Jim M · Apr 17, 2010

I always advise guys to deal close to home for their rebuild kits, rebuilt engines and such. It is very hard and time consuming to complain across the country when these items aren't satisfactory.
Big JIm

bmonee5 · Apr 17, 2010

definately don't cut any corners and go the extra mile or even 2 cause i did a budget build on my old pickup and it lasted me about 2 months if that. Other then that good luck hope all works well for ya.

mosher41 · Apr 18, 2010

thanks gents....

I believe i will use flatlander racing in NH for the kit they have a couple different levels of rebuild available. I am going to do a complete block up rebuild, depending on how bad the cylinders are will determine over bore, I see on the tech site that there is a rebuild kit for the rear main seal...how good is that because the oil runs right out of it now. I am going to match all ports and install coated headers.

Big Jim M · Apr 18, 2010

oil..

mosher41 said:
thanks gents....

I believe i will use flatlander racing in NH for the kit they have a couple different levels of rebuild available. I am going to do a complete block up rebuild, depending on how bad the cylinders are will determine over bore, I see on the tech site that there is a rebuild kit for the rear main seal...how good is that because the oil runs right out of it now. I am going to match all ports and install coated headers.

Your oil is prolly pouring out from he blowby in the engine PUSHING it out. What you need to do when the crank is out is to observe the race that the seal runs on. If that particular race has a groove in it you may need an oversized seal for it. But if the race is nice and smooth you don't need to do anything to it.
The rebuild kits I've seen are the worst possible alternative.
Big JIm :hottubfun:

4.0 engine rebuild

mosher41

15+ Year Member

Big Jim M

15+ Year Member

bmonee5

15+ Year Member

mosher41

15+ Year Member

Big Jim M

15+ Year Member

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