mulcy Posted May 2, 2010 Report Share Posted May 2, 2010 Sorry about the other post - been a long day I've run into what I think is a strange clutch/flywheel/transmission combination while swapping a new engine into my 98T5M. I'm wondering if people have suggestions but mainly want to give people a head up that there are some weird combinations out there. The chassis number for my car is 414576. FCP and a bunch of other vendors list 460000 as the cutoff number for switching from a single mass flywheel and external slave cylinder to a dual mass flywheel and internal cylinder. Since my car's chassis # is below 460000 I ordered the 850R clutch kit for a single mass flywheel from DW (P/N 272237). Unfortunately, it doesn't fit. When I got the tranny off tonight I found the newer style dual mass flywheel. But I still have the older style external slave cylinder... So FYI for people with 98s: the chassis number guidelines for picking the right clutch may not always be accurate, and an external slave cylinder may not always indicate that you have a single mass flywheel. I suppose it's possible that this car was converted from a single mass setup (I bought it with 109k), but a new flywheel's not cheap so it's hard to understand why someone would go through the trouble. So should I sell my brand new R clutch or start looking for a single mass flywheel? Link to comment Share on other sites More sharing options...
yangotang Posted May 2, 2010 Report Share Posted May 2, 2010 Sorry about the other post - been a long day I've run into what I think is a strange clutch/flywheel/transmission combination while swapping a new engine into my 98T5M. I'm wondering if people have suggestions but mainly want to give people a head up that there are some weird combinations out there. The chassis number for my car is 414576. FCP and a bunch of other vendors list 460000 as the cutoff number for switching from a single mass flywheel and external slave cylinder to a dual mass flywheel and internal cylinder. Since my car's chassis # is below 460000 I ordered the 850R clutch kit for a single mass flywheel from DW (P/N 272237). Unfortunately, it doesn't fit. When I got the tranny off tonight I found the newer style dual mass flywheel. But I still have the older style external slave cylinder... So FYI for people with 98s: the chassis number guidelines for picking the right clutch may not always be accurate, and an external slave cylinder may not always indicate that you have a single mass flywheel. I suppose it's possible that this car was converted from a single mass setup (I bought it with 109k), but a new flywheel's not cheap so it's hard to understand why someone would go through the trouble. So should I sell my brand new R clutch or start looking for a single mass flywheel? Single mass flywheel is the better way to go, since you have it out already. It should only be ~$100 shipped from VolvoSaab in Sac. I don't think most of us actually have stock 5MT cars... the majority of us are swappers Link to comment Share on other sites More sharing options...
98 s70 t5m Posted May 18, 2010 Report Share Posted May 18, 2010 Hmm.. I just saw this while I was looking for something else. I was planning on installing the 850r clutch and I have the external slave so I thought everything was in order. Did the early s70s come with a single mass or where they all dual mass? Link to comment Share on other sites More sharing options...
krn Posted May 18, 2010 Report Share Posted May 18, 2010 Any chance yours was converted? The VIN indicates the original transmission fitted (although you need a vin decoder to figure it out). Link to comment Share on other sites More sharing options...
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