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1999 S70 5-speed to 6-speed conversion?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Re: 1999 S70 5-speed to 6-speed conversion?

Post by jose456891 » Sun Aug 20, 2017 9:48 am

olpossum wrote:
Sun Aug 20, 2017 9:16 am
Thanks for your replies, all of you. I'm not going to do it,I guess. The car has 258,000 miles on it, looks,drives,feels new,I do all my own work, but this may be a bit too much. I've started iffy projects like this before, and I hate more than anything to find out in the middle of one of them that it's not doable after all.
In the spirit of expanding our aggregate knowledge, why not got ahead and check if it's plausible from the specs. Stranger things have happened here, no stranger would it be.

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Re: 1999 S70 5-speed to 6-speed conversion?

Post by FLXC90 » Wed Aug 23, 2017 2:03 am

Over on Volvospeed, a radical DIYer put an AWD M66 in a 99 or 2000 V70R, so if the AWD will work, a normal FWD would. Shift Linkage and some small mount related bits should be all that are required. The location for axles was the same as I recall, otherwise that would kill it.
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)

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Re: 1999 S70 5-speed to 6-speed conversion?

Post by tryingbe » Fri Aug 25, 2017 6:24 pm

85 GLH, 367 whp
00 Insight, 72 mpg

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