So ive got an 84 318i. Ive got the stock m10 pulled with 110k miles on it, ran fine. Ive also got a donor 325e with the m20b25 still in the car that i was planning on pulling. it has 150k on it, and is from an automatic. Im debating if i should swap the m20 or keep the m10 and boost it. If i swapped, i would obviously have to buy a new trans and dif. Also, would it be easier to swap out the whole front end(engine,subframe,suspension,etc)? Opinions would be greatly appreciated, thanks!
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I have done two engine swaps in my time. They were both a PITA.
Even though an M20 fits in the engine bay, it will be a chore to go through and make sure you have all the parts and everything right. I am not a big fan of turbos but I think turboing the M10 would be the most cost effective thing to do. It may be harder to find a spare M10 if something blows up, but they are always cheap. An M10 will provide plenty of room in the engine bay for things as well. Maybe im not hardcore, but I just find engine swaps annoying and tedious.
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Originally posted by 6gen91 View Posti also dont have the money to redo internals on the m10, so i would be boost on stock internals. is this a good or bad thing?
I would just wait and save up enough to build what i want. half assing stuff with a build will just leave you disappointed in the outcome
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yeah, if you haven't heard, m42>m10 for miles, and miles.
1991 BMW 318i (Old Shell RIP, Now Being Re-shelled & Reborn)
1983 Peugeot 505 STI
1992 Volvo 240 Wagon
2009 Toyota 4Runner SR5 Sport 4WD
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