dedoo Posted April 25, 2009 Share Posted April 25, 2009 Hey guy's I'm picking up an engine I could buy cheap after this weekend but I wanted to check something first. I bought a shortblock earlier and I need this engine I'm picking up to interchange the parts to the shortengine I already have but... The owner said he's selling this engine because there is water found in the oil. I assume this is because of a blown head gasket but I'm not an expert. Could there be other, more severe, things that could cause this. I just nead the engine for the heads, sump, manifold injection and all other stuff but the bottom end. Thanks ! Danny Quote Link to comment Share on other sites More sharing options...
disco_al Posted April 25, 2009 Share Posted April 25, 2009 what engine first? blown h/g can cause water in oil, but in a more severe case, so can a cracked head. as it's an unknown quantity until you strip it down, it may be worth budgeting for a pressure test on the head before you use it. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted April 25, 2009 Share Posted April 25, 2009 'heads' - V8 then I assume. Crack test and skim on a single head is usually about £50. Les. Quote Link to comment Share on other sites More sharing options...
dedoo Posted April 25, 2009 Author Share Posted April 25, 2009 cracked head... that's not what I wanted to hear. I only thought about a blow gasket. Heads was the main reason I wanted to buy the engine. yes a V8 engine HSE 4.6ltr Quote Link to comment Share on other sites More sharing options...
reads90 Posted April 25, 2009 Share Posted April 25, 2009 cracked head... that's not what I wanted to hear. I only thought about a blow gasket. Heads was the main reason I wanted to buy the engine. yes a V8 engine HSE 4.6ltr All Depends how much you are going to pay for it Quote Link to comment Share on other sites More sharing options...
nas90 Posted April 26, 2009 Share Posted April 26, 2009 How good is the block you will be using? Biggest problem with 3.9, 4.2 & 4.6 is the liners leaking due to stress cracks in the block. If the 'new' block does not have 'top hat' liners then this will be an issue at some stage if not immediately. If you are on a tight budget then be careful what you buy, if you can afford a good engine go and see the nice people at Turner Engineering but take your wallet.................. Quote Link to comment Share on other sites More sharing options...
dedoo Posted April 26, 2009 Author Share Posted April 26, 2009 250 euro's for the engine. I think I'll still buy it and use it for the clutch, injection, covers and ancillaries and maybe some other spare parts. I had an offer for two heads for 100 euro's that has one broken bolt in one of them. the "new" block is one that came out of a car that only had 500 miles on it so almost new. why do heads actually crack? Quote Link to comment Share on other sites More sharing options...
Aragorn Posted April 26, 2009 Share Posted April 26, 2009 you might find its just a damaged liner in this cheap engine, and the heads are fine... Might be worth a punt if you need other bits anyway... Heads usually crack due to thermal stresses such like being overheated, or being torqued down incorrectly when having been refitted. Quote Link to comment Share on other sites More sharing options...
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