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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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Bilstein B8Views : 1204 Replies : 15Users Viewing This Thread : |
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Mar 17th, 2019, 22:44 | #11 |
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The factory springs are very soft and very long and have a LOT of pre load.
The typical 40mm lowering springs have a much shorter free length but are a fair bit stiffer. At standing ride height the springs are not compressed much, a shorter damper is likely to extend with a bang going over bumps etc |
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Mar 18th, 2019, 17:16 | #12 |
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If I was fitting B8's I'd lower a lot more than 40mm. 40mm is only going to make it look like it isn't on stilts - if I was you I'd go 60 or 80mm
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Mar 19th, 2019, 10:33 | #13 |
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I have asked PFV and they say the lesjofores 40mm springs are okay for us with standard and shortened dampers.
If I were to lower 60/80mm wouldn't it rub the arches on full lock/cornering? |
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Mar 19th, 2019, 11:09 | #14 | |
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Quote:
As a general observation, i've seen a lot of ads selling -60mm or lower springs as they were reverting to -40mm, from that i'd suggest that -40mm would be the way to go. Might be worth also looking at this thread, particularly the bits about shimming the prop centre bearing and the video of how the back axle reacts on the road : https://www.volvoforums.org.uk/showt...72#post2505372 Also the suggestion in that thread of renewing the torque rod bushes is quite a good idea!
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Mar 19th, 2019, 20:21 | #15 |
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Very informative thread and video Dave, right then... bilstein B6, 40mm springs and diff arm (whatever it is called) polybushes it is.
I'm not interested in "lows" as I'm not a scenester... anymore, I want a decent handling 940 is all. |
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Mar 19th, 2019, 20:51 | #16 | |
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When i was just a young pup, i had a Mk1 Cavalier 2000GLS Coupe - the Vauxhall version of the Opel Manta S/R "B" (the GT/E was the Manta "C" and came a few years later) and i lowered the back end of that using Grayston Coil Spring Clamps. Dropped about 25-30mm off the normal ride height but gained a very different and improved handling car. Didn't lose much in the way of ride comfort either because it was the centre coils i clamped, the hardest of the coils in the springs of those. Since then i've not really had any lowered cars (except factory lowered versions) and these days, being a bit longer in the tooth, i prefer comfort to a harsh ride. I tend to go for thicker ARBs instead of lowering/uprating the springs. This keeps the ride comfort but improves body roll and weight transfer - perfect for a grumpy old fart to scare the bejesus out of boy racers in their Saxos and similar!
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