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Old 03-26-2004, 11:33 PM   #1
hovae30
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engine swap

hey guys i have a question? I own a 85 325e looking to swap in a 325i engine. i found one with a blown head gasket. i don't have alot of money to do a full rebuild is there anything i should look out for before i buy the engine.
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Old 03-26-2004, 11:36 PM   #2
Jase
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you can put the "i" head on the eta.
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Old 03-26-2004, 11:44 PM   #3
hovae30
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would i have more power than the eta and will i be able to rev to 6k
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Old 03-26-2004, 11:55 PM   #4
felixthecat
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you'd be best to have the cylinders honed to get rid of the ridges...or your rings might burn out quickly after a few good redlinings...higher rpms the piston travels a lil higher due to flexing....with the eta head,its not used to winding that high...but with headgasket problems comes overheating issues....pop the valve cover,if theres a lot of yellowing on the metal....walk away....but if its good,you can make a mean lil motor!!!
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Old 03-27-2004, 12:26 AM   #5
Slowered318
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Felix.. explain that yellowing issue? isn't that just from heat and cheap oil?? and or oil aditives like Lucas film

Hovae30.. expect to spend about $3000 to do a proper rebuild on a BMW engine.. I did mine top to bottom, runs great and it's peace of mind
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Old 03-27-2004, 12:36 AM   #6
hovae30
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I know eta's are strong engines is it the same for the 325i engine and what life span can be expected after blowing a head gasket
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