Fox Shox rear dampers - interest thread - Parts For Sale Forum

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Subject: Fox Shox rear dampers - interest thread

phillipm

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Post #1

Right, now they're finally done, just wondered who's interested in possibly having a set of Fox rears, pending some reviews and confirmed prices of course, just an interest thread to see what sort of numbers were looking at (the more we get, the less the shipping cost is per set...)
The cost for a pair is going to be approx.

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Posted 7th Sep 2009 at 06:06

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midlife

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Post #2

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Posted 7th Sep 2009 at 06:10

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phillipm

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Post #3

Maybe that should be -1 given you were after some before the first production set even came over LOL

I can have them chromed if you want 'em to be shinier than Johns LOL

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Posted 7th Sep 2009 at 06:16

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rallyestyle

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Post #4

Can you give me a list of benefits over stndard performance shocks Phil? Cheers Thumbs up

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Posted 7th Sep 2009 at 15:40

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phillipm

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Post #5

Like I say, I'll give proper specifications tonight, but you'll get much, much less fade - because the OEM/cheap 'uprated' rear damper is so small with so much leverage on it, it tends to run at around 70-80* on a bumpy road - which leads to quite a large loss in damping control.
I'll get some generic graphs up later to show the effect - because these have such a large piston, are a monotube design, and carry a lot more oil and nitrogen than even something like a Grp N bilstien rear, the oil temperatures are kept much lower and more consistant.

More control on the low-speed damper movements because of the much bigger piston area,(vital given the wheel speed is 2.5x high than the damper speed).
They're fully rebuildable/servicable, and of course, you get the option of a free bump in rear spring rate without buying new torsion bars - great for the car's balance/ride if you're just running heavier springs up front at the minute.

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Posted 7th Sep 2009 at 20:23

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rikky 🦔

Location: cheshire

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Post #6

would like to see full spec, your other thread went on for ages and it's hard to sieve into out of it LOL

im watching Yes

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Posted 7th Sep 2009 at 20:45

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rallyestyle

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Post #7

Would i get a discount on some fronts Whistle

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Posted 7th Sep 2009 at 21:53

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phillipm

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Post #8

Okay, tech. spec:

High-pressure (up to 260psi) nitrogen gas-charged monotube damper

2.0 inch diameter, honed-bore seamless alloy body

Anodised billet alloy high-flow main piston (46mm, high flow CFD-designed), caps, and shaft supports.

5/8" Alloy steel shaft, heat treated and hard chrome plated. (often called triple chrome elsewhere, as there are two base layers).

Twin wiper/dust seals, 3 internal shaft/oil seals.

PTFE-coated Phosphor-Bronze main shaft support.

[b]Heat-treated, teflon-lined, stainless steel spherical bearings at either end (Aurora - these 4 bearings alone retail at

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Posted 16th Sep 2009 at 16:20

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24seven

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Post #9

phillipm wrote:

Optional rear spring rate assistance, to save you a hell of a lot of money on new torsion bars, from 15lb/inch up to 35lb/inch.

Is that lb/in damper stroke or lb/in wheel travel? Basically I'm being thick and am wondering what the relative difference means once on the car. I MAY be interesetd in a set of these for the 205 in the future, but that depends on finances which I've been in short supply of for a while, so I won't get in the way and put my name down yet.

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Posted 7th Sep 2009 at 22:37

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phillipm

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Post #10

lb/inch on the wheel rate - basically a 10-25% increase depending on what you want.

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Posted 7th Sep 2009 at 23:30

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24seven

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Post #11

ahh, gotcha Smile

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Posted 7th Sep 2009 at 23:40

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phillipm

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Post #12

Not be much cop if it was the damper rate LOL

There's a full 12 month warranty against defects too. Smile

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Posted 7th Sep 2009 at 23:44

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rage buggy

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Post #13

phillipm wrote:

Okay, tech. spec:

High-pressure (up to 260psi) nitrogen gas-charged monotube damper

2.0 inch diameter, honed-bore seamless alloy body.

Anodised billet alloy high-flow main piston, caps, and shaft supports.

5/8" Alloy steel shaft, heat treated and hard chrome plated.

Twin wiper/dust seals, 3 internal shaft/oil seals.

PTFE-coated Phosphor-Bronze main shaft support.

[b]Heat-treated, teflon-lined, stainless steel spherical bearings at either end (Aurora - these 4 bearings alone retail at

Posted 7th Sep 2009 at 23:53

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phillipm

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Post #14

Only single adjustable:

quote:

Optional 8-position compression adjuster in the remote reservoirs... ...the 2 highest settings also adjust the rebound to keep the compression/rebound damping ratio sensible.

I am working on a seperate rebound adjuster, which would be available as a retrofittable upgrade later on

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Posted 7th Sep 2009 at 23:59

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miles

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Post #15

Who are Fox? Never really heard of them so some background would be good, As you know a 12 month warranty on something is no good if the company goes bust

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Posted 8th Sep 2009 at 00:12

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rage buggy

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Post #16

phillipm wrote:

Only single adjustable:

quote:

Optional 8-position compression adjuster in the remote reservoirs... ...the 2 highest settings also adjust the rebound to keep the compression/rebound damping ratio sensible.

I am working on a seperate rebound adjuster, which would be available as a retrofittable upgrade later on

ok, that sounds interesting but I haven't seen Fox shocks used on road cars before. They're usually used on off road vehicles . I'm having a set of Intrax shocks made for my 306 at the moment which will be 2way adjustable so I would like to see what the difference is between yours Smile

Posted 8th Sep 2009 at 00:21

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phillipm

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Post #17

miles wrote:

Who are Fox? Never really heard of them so some background would be good, As you know a 12 month warranty on something is no good if the company goes bust

An absolutely massive US high-performance company who make millions of dampers per year, big name in the Off road rally world, Dakar, Bikes, snowmobiles, etc.

I will personally honour the 12 month defect warranty even if the apocalypse arrives.

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Posted 8th Sep 2009 at 16:57

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phillipm

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Post #18

rage buggy wrote:

They've been used before on tarmac with good success - in fact some off-road nut using them in NASCAR in the late 70's is credited with converting the entire US racing scene over to monotubes LOL

As for the difference, price mainly I would guess LOL

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Posted 8th Sep 2009 at 00:59

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smegal

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Post #19

I'm interested but it won't be this year.

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Posted 8th Sep 2009 at 01:32

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phillipm

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Post #20

Here ya go Miles, not exactly relevant to our Peugeot's but:

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Posted 8th Sep 2009 at 04:53

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rikky 🦔

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Post #21

are these anything to do with the bike and motocross company? 'fox' rings a bell from years ago with motocross

looks good eitherway

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Posted 8th Sep 2009 at 04:59

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welshpug!

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Post #22

yup, that's them Big grin

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Posted 8th Sep 2009 at 05:00

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phillipm

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Post #23

Yes, same company - Fox Racing Shox

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Posted 8th Sep 2009 at 05:02

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phillipm

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Post #24

Quick update to a few inquiries I've had as per using these for club rallying, mainly from the 205 lads, but I'll put it here too just in case:

1) These are probably less likely to blow a seal out on heavy landings than the Billy Grp N's, as the gas pressure remains fairly constant and the shock will run much cooler, preventing cavitation.

2) Rebuilds are quite cheap - new piston bands, o-rings/x-rings and fresh oil comes to about

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Posted 8th Sep 2009 at 15:14

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miles

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Post #25

Could be intrested in a set then

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Posted 8th Sep 2009 at 15:42

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