You've got to make sure that the compression holes on the piston are blocked off when it's rebounding or the oil will blow right through them causing top out. If the shims you put in there are too small diameter or they aren't against the piston/valve those holes will be open.
The BS has a significant rising rate that averages around a 3.3 leverage ratio from top out through sag. That's why people find that it takes a heavier spring then expected to get the right sag.
MttyTee, I've been running modified 5ths on two bikes for quite a while now and I'm really happy with their performance. They've got the lower duro o-ring, reduction of LSR and HSR shim stacks, as well as more HSC than I was previously running. All changes you recommended. Good stuff.
:beerjam:
I didn't do anything but change the oil in mine, but I think that spring may reduce PP. I believe the way that shock works is that the PP knob is reverse threaded and when you turn it CCW it increases spring pressure. That spring pressure is used to add force to opening the control valve...
I know for the 2" stroke it's 28mm deep. You shock has a 19mm longer stroke so I'd think the right IFP depth should be ~33mm. 28+19*(shaft diameter/ifp diameter)^2. I'm guessing that the shaft diameter is half the ifp diameter. dhkid might know if that's a bit off.
What shock length is spec'd for the Eliminator?
I would think the Sunday tuned shock will probably work better than a standard tune. It'll have lighter rebound damping, which is what most of us are trying to achieve by modifying them.
OK, got ya. The LSC metering point really is just at the check valve.
These tweaks have really made my shocks a lot nicer. Because of ride feel I'm actually back riding my Bullit w/5th a lot more than my Turner 6-Pack w/DHX.
MttyTee, have you modified the compression shim stack on the valve at the base of the reservoir at all?
The high speed compression path between the chambers handles both compression and rebound right? It probably has a fairly big bore allowing a lot of oil movement? The shimed valve is in...
I'll have to try a two stage like that too. I'd probably go even lighter because your Heckler has a higher LR.
You probably just have to make sure the spacer doesn't slide down the shaft and block the LSR port. It seems like the topout would work perfectly if that spacer was pretty tight on...
Based on one of your earlier posts I made that mod to the two 5th I'm currently using and it does help a lot. Because of my shim selection I actually put a single 8 X 12 X .25 under one of them. I was a little worried that it might be deeper than the dish, but it seems to be working fine.
Any...
A friend finally trashed his 5th on his 2005 7point. I got ahold of it to take apart and see how it was shimmed compared to the VPFree/V10 shocks. Here are the results:
LSR - VPFree
Valve
Shim 6 X 10 X 0.1
Shim 6 X 15 X 0.1
Spacer
LSR - 7point
Valve
Shim 6 X 10 X 0.1
Shim 6 X...
I changed the oil in a couple of them a few weeks ago. I used a little piece of electrical tape on the bottom side of the seal head to act as a check valve, and a basketball inflater with tape wrapped around it to fit tightly in the air fill hole (capped by that little allen screw). I pondered...
Yeah, it's easy if you read this thread http://www.ridemonkey.com/forums/showthread.php?t=163201
I did mine a couple weeks ago. The hardest part was building the wood block soft jaws clamp.
That HSC (top left) really only does something during the last (bottom) couple inches of travel. You can feel this if you pull the top cap and pump the rod up and down. Most use it as a bottom out control. I used to run it one turn from fully in, but now only about half way. For huge hucks crank...
It looks like three turns would help quite a bit with bottom out, and not affect the rest of the stroke a whole lot.
Based on my measurements:
BTW, I noticed that there are 6mm and 8mm I.D. shims available on the "SHOP FOR PARTS" link off www.suspensionnetwork.com. $1 each. For those...
I've got a 6-Pack and that 3.0 will certainly fit although the chain might rub on it when you're in the 22/34 gear combo. I'd never put a tire that big on the back though unless I was riding a lot of sand or snow.
I've run both the Gaz 3.0 and Mich 2.8 on the front. I like the Mich 2.8, but...
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