So what combination did Alpina use to make their 2.7 so bad ass? Or did they use a different engine all together?
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they used high compression, extensive headwork, a well tuned cam, and tuned exhaust - as in, tuned to work with the cam/intake. That can make a huge difference by itself.
Basically they had the money to spend time on a dyno to come up with a combo that worked very well, instead of choosing random parts and hoping it works out.
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Originally posted by I got it, yes!! View PostDamn, now I need to get my combo dynoed. m20b27 bottom end, 731 head with 325i cam and valve springs, 325i intake and TB. E electronics with custom mark d chip made for this combo.
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Originally posted by JasonC View PostPutting an i head on an eta does not make it a stroker.
Adding a crank (longer of coarse) that wasn't offered for that block is a stroker.
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