I've had both an 8lb flywheel on my E36 M42 and now a 14 lb flywheel M20 flywheel on my E30 M42. Both were a good upgrade over the 27~28lb flywheel, but the difference between the 14-16lb and the aluminum 8 lb isn't that noticable.
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trent
Originally posted by BimmerToadI've had both an 8lb flywheel on my E36 M42 and now a 14 lb flywheel M20 flywheel on my E30 M42. Both were a good upgrade over the 27~28lb flywheel, but the difference between the 14-16lb and the aluminum 8 lb isn't that noticable.
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Originally posted by RobOriginally posted by BS87My next E30 in a few years will probably be an M42 for gas milage alone.
I get about the same with M20 as I did my old four cylinders. And driving back the other night I realized I couldn't really live with / enjoy any less of a car. One of the reasons I don't want to go fuh raze on this and need a daily. Screw that. M20 daily.
And having to go 91 instead of 87 is a big difference in gas costs. I've found that 4.10 on a M20 unchipped feels good, with pretty decent gas mileage with 87 octane costs! And with a 3% shorter tire, it's lots of fun.
So really, think about what you really want? A fun to drive car with straight six feel, or a lighter more tossable car with a buzzy 4cyl?
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Originally posted by trentOriginally posted by BimmerToadI've had both an 8lb flywheel on my E36 M42 and now a 14 lb flywheel M20 flywheel on my E30 M42. Both were a good upgrade over the 27~28lb flywheel, but the difference between the 14-16lb and the aluminum 8 lb isn't that noticable.San Diego BMW repair -> Jake @ www.littlecarshop.com Great guy :up:
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My bad...didn't realize you meant overall weight. I guess that wouldn't have mattered anyway because I didn't realize the cars were different in so many ways. Trunk tar? Good for Buffalo winters huh.- 2000 Audi S4 Stg 2 (sold)
- house (bought)
- 1997 Civic Hatch (shaky but driveable)
- 2010 Sportster 1200 Forty Eight Ed. (vroom)
- 1991 318is S50B30 (TBA)
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Originally posted by nandoyou guys suck, I easly get 21mpg in my slow ass auto and on freeway trips I get about 26.
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trent
Originally posted by BimmerToadOriginally posted by trentOriginally posted by BimmerToadI've had both an 8lb flywheel on my E36 M42 and now a 14 lb flywheel M20 flywheel on my E30 M42. Both were a good upgrade over the 27~28lb flywheel, but the difference between the 14-16lb and the aluminum 8 lb isn't that noticable.
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I weighed my lightened flywheel the other day and it's 7.7kg (~16.9 lbs)..
It's a stock M40 single mass fly wheel lightened about 2 years ago but I didn't get to weigh it before it went back onto the car..
Not to sure what's the original weight, I believe it's about 9kg (~ 20lbs)
if we were to go on further on this subject, better start a new thread... ;)
EDIT:
From Brendan Purcell's website, the stock weight for the M40 flywheel is 9.973... So it's that's the actual figure, that would mean I actually shaved off 2.2kgs off the flywheel..... 8)BMWClub Malaysia
www.bmwclubmalaysia.com
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