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Old 04-28-2007, 05:38 PM   #16
static
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God Mike, pls get rid of this nasty sig
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Old 04-28-2007, 09:00 PM   #17
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Old 04-30-2007, 12:42 AM   #18
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Mystikal, Axxe,

i like the idea of putting in another M20. I'm assuming that putting in a different engine would change the weight of the car - and i don't want to put in anything heavier - even if it is more powerful. After all, I love the E30 for the way it feels during steering and braking, as well as accelerating. Anything that increases the weight would alter that. Also - at the extreme, wouldn't an S50 or S52 also demand changing tons of other things - including the tranny?

I also agree that M20 is powerful 'enough' - i've been in trouble already. But that's partly down to my attitude, which is much improved lately

I'd really like to hear more about the idea of using a modified M20. An engine with more power but less weight and greater durability sounds very appealing indeed. Does anyone have any thoughts on the claims in this brochure for the "3200 Rally M20" engine?

What got my attention is where they talk about developing fixes for the most common observed causes of engine failure in the M20... Anyone know if they are pulling my plonka?
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Old 04-30-2007, 09:28 AM   #19
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put another m20 for now and get MGM to make a good stroker 2.7....3200 rally motor is a nice piece but if you have a warranty issue you are screwed...
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Old 04-30-2007, 10:15 AM   #20
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Quote:
Originally Posted by kamus
i like the idea of putting in another M20. I'm assuming that putting in a different engine would change the weight of the car - and i don't want to put in anything heavier - even if it is more powerful. After all, I love the E30 for the way it feels during steering and braking, as well as accelerating. Anything that increases the weight would alter that. Also - at the extreme, wouldn't an S50 or S52 also demand changing tons of other things - including the tranny?

I also agree that M20 is powerful 'enough' - i've been in trouble already. But that's partly down to my attitude, which is much improved lately

I'd really like to hear more about the idea of using a modified M20. An engine with more power but less weight and greater durability sounds very appealing indeed. Does anyone have any thoughts on the claims in this brochure for the "3200 Rally M20" engine?

What got my attention is where they talk about developing fixes for the most common observed causes of engine failure in the M20... Anyone know if they are pulling my plonka?
FYI, here is weights and brief descriptions of all BMW engines:
http://www.bimmerforums.com/engine_faq/

M/S5x are about 50lb heavier than m20. People usually make up for the delta by removing all A/C components. I hear you on the engine weight concern. If i were to do it all over again, i'd probably do a turbo 4 or opt for an aluminum block M52 (from Z3) with S50 head (and possibly internals, which should result in around 2.9L). I remember the aluminum block being 60lb lighter, but don't quote me on the exact number.

btw, S/M5x can be used with your existing tranny, shaft and diff, but i hear you need a custom tranny mount (angle is different). I heard someone on r3vlimited.com is in process of manufacturing them for people.

Alex
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Old 04-30-2007, 10:29 AM   #21
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Quote:
Originally Posted by Mystikal
Plus once you consider the fact that a stock M20 is more than enough power for even intermediate drivers, it's a no-brainer.
^^^ +10 My 395k eta is tons of fun - it's the suspension and tires that make it so. I'm still swapping an S52 in a few months because fast is never fast enough but while the eta takes a long time to get up to speed, I've never found myself having to accelerate in a corner due to a lack of balls. And also as Mystikal has pointed out, you'll be able to get another M20B25 in there for basically labor.
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