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Old 06-02-2010, 01:12 PM   #16
Bullet Ride
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Don't rule out the 2.8 stroker.
All you need is a M52B28 crank, 130mm rods (i.e. eta rods), and stock 325i pistons, compression will be very close to a stock 325i... slightly less as the piston ends up sitting 0.5mm lower (I think) than stock. You'll also need a spacer for the crank which MM sells, and you'll have to double check clearances between the crank and the block and the crank and the piston skirts to make sure nothing will hit... people have done this build before without even mentioning this so any modifications (if any) will be minor

I'd definitely like to build one of these motors in the future... with ITB's... and some meaty cams
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Old 06-02-2010, 06:41 PM   #17
craz azn
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Quote:
Originally Posted by Bullet Ride View Post
I'd definitely like to build one of these motors in the future... with ITB's... and some meaty cams
I like your thinking sir!
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Old 06-03-2010, 11:32 AM   #18
Bullet Ride
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I like your thinking sir!
Likewise.

I was day dreaming yesterday afternoon about how I could build the ITB set up as economically as possible (since I'm just a broke university student). This is what I came up with...

Since I have an eta head in my shed from the turbo car with intake manifold I can chop that manifold just past the injector bosses and then mill it nice and flat. Then get a plate welded to it to mount the throttle bodies. Then machine and/or grind the ports to optimize flow and to match the i head. After that it's just a matter of getting some motorcycle throttle bodies and some runners/trumpets. This will obviously be on a car running stand alone so I'd also have to consider mounting a TPS and most likely a MAP sensor, but those are just minor details

/hijack
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