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B21F Sachs clutch 'horsepowerability'... 200 1979

uid 13809's pic
posted by  Alex Z on  Sun Feb 2 22:22 CST 2003
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last visit: Thu Oct 3 04:30 CST 2013
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I've got one of each. The sedan was factory intercooled and has the bigger clutch, the wagon was probably not factory intercooled (I really should call the original owner here..), and has what I assume to be the smaller flywheel.

I very much prefer the lighter clutch action of the wagon. Combined with the wicked fast idle and working power steering, city driving is much much easier in the wagon.

I haven't tried one, but Centerforce makes some high perf clutches to fit the smaller flywheel (dunno about the bigger ones). There was a recent discussion about this on the turbobricks list.. and the cost difference between a clutch job with the CF clutch and one with a factory clutch conversion to the bigger flywheel came out to about $100. There were comments to the effect of a heavier flywheel causing slower rise of boost (something I'm seeing for sure in the wagon v sedan, but I'm not sure if I should attribute it to poor maintenance).

If the CF clutch kit were able to maintain the feel of the stock clutch with a smaller flywheel.. I'd save my clams and go that route.

Then again, IPD lists different kits for the either of the 240 turbos and all of the NA 240s. FCP Groton lists one clutch for the B21 powered M46's and one for the B21FT/B23/B230 powered M46's, and one for the B21FT-IBS powered M46's. All are listed as Sachs kits. It sure makes you wonder.

- alex

'85 244 Turbo
'84 245 Turbo






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