Ping! DC Fork Experts (Slacker, Carla, Mike Dart, etc.)



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Loomermbv

Guest
I am looking for help getting the correct spring weight for
myself so bear with me. With Gear I am 220 pounds. I get 35%
sag and major brake dive now.

I pulled my 02 Jr T's apart and found that there are 2
springs in each leg. I am assuming that one is for a 100mm
fork and the other is for a 70mm fork.

Ok the 100mm is red and the 70mm is green.

Supposedly the 100mm red is for a 170 to 205 pound rider.
Supposedly the 70mm is for a 120 to 155 pound rider.

If I take the mid point of both springs and divide by 2 I
get a 161 pound average rider weight,

Are my calculations/assumptions correct?

Is it better to upgrade the 70mm or 100mm springs?

Which should be heavier, the 70mm or the 100mm springs? Does
it matter? Anyone around my weight have opinions?

TIA
 
LoomerMBV wrote:
> I am looking for help getting the correct spring weight
> for myself so bear with me. With Gear I am 220 pounds. I
> get 35% sag and major brake dive now.
>
> I pulled my 02 Jr T's apart and found that there are 2
> springs in each leg. I am assuming that one is for a 100mm
> fork and the other is for a 70mm fork.
>
> Ok the 100mm is red and the 70mm is green.
>
> Supposedly the 100mm red is for a 170 to 205 pound rider.
> Supposedly the 70mm is for a 120 to 155 pound rider.
>
> If I take the mid point of both springs and divide by 2 I
> get a 161 pound average rider weight,
>
> Are my calculations/assumptions correct?
>
> Is it better to upgrade the 70mm or 100mm springs?
>
> Which should be heavier, the 70mm or the 100mm springs?
> Does it matter? Anyone around my weight have opinions?
>
> TIA
>
>
Dang, I thought you were crazy, but sure enough the manual
shows springs per leg... that's whack!

I'm not too sure about your math because I don't think you
can average the spring rate like that. I mean a 120-155
spring rate is just that no matter how you stack them. But
then I was never good at word problems in math.

Look you already know you're a bit under sprung based on
your sag (not that bad) and diving (really bad). So hears
what I would, first thing in the morning call Marzocchi tech
support and tell them whats going on, then let them tell you
which springs you need. I believe they'll sell them direct,
but I'm not positive. If not, at least you'll know what you
need and you can start making some calls.

Just out of curiosity, did you buy this fork new from a shop
or used (private party)?

Btw, I aint no expert... maybe Carla and Mike are. Both of
them certainly have way more experience then me.

--
Slacker
 
"Slacker" <[email protected]> wrote in message news:2isib9FpsdilU1@uni
> LoomerMBV wrote: Dang, I thought you were crazy, but sure
> enough the manual shows springs per leg... that's whack!

that is criss cross wiggity wiggity whack! I am crazy too
- BTW. ;-()

> Look you already know you're a bit under sprung based on
> your sag (not that bad) and diving (really bad). So hears
> what I would, first thing in the morning call Marzocchi
> tech support and tell them whats going on, then let them
> tell you which springs you need. I believe they'll sell
> them direct, but I'm not positive. If not, at least you'll
> know what you need and you can start making some calls.
>
> Just out of curiosity, did you buy this fork new from a
> shop or used (private party)?
>
>
> Btw, I aint no expert... maybe Carla and Mike are. Both of
> them certainly have way more experience then me.
>
> --
> Slacker

Hey thanks for the reply I appreciate it. I know that I want
heavier springs but do I go the 70mm(which is the lighter of
the two) or the 100mm spring. I don't want to clobber the
70mm if I shouldn't for some reason.

Have you ever seen the movie called Slacker? I was one of
them thar Slackers :) Ahh gonna listen to John Frusciante's
last solo album and go to bed. He is the greatest since
Brian Wilson.
 
"Slacker" <[email protected]> wrote in message news:2isib9FpsdilU1@uni-
> Just out of curiosity, did you buy this fork new from a
> shop or used (private party)?

Oh about this. I got it from a local guy that didn't burn me
or anything. He just never did maintenance for 2 years and
rode very light. I know it is true.

I have taken them completely apart and rebuilt them 2 times
in the last 4 months, just experimenting with oil levels and
weights. Now it is time for spring tuning.
 
loomer wrote:

> Hey thanks for the reply I appreciate it. I know that I
> want heavier springs but do I go the 70mm(which is the
> lighter of the two) or the 100mm spring. I don't want to
> clobber the 70mm if I shouldn't for some reason.

Hey, more is always better! Isn't it?

> Have you ever seen the movie called Slacker? I was one of
> them thar Slackers :) Ahh gonna listen to John
> Frusciante's last solo album and go to bed. He is the
> greatest since Brian Wilson.
>
>
Never seen it. And who's John Frusciante and Brian Wilson?

--
Slacker
 
LoomerMBV wrote:
> I am looking for help getting the correct spring weight
> for myself so bear with me. With Gear I am 220 pounds. I
> get 35% sag and major brake dive now.

The 02 Jr. T that I had on my bike was insanely soft. I'm
145 and I would get 6 of the 7 inches with brake dive, but
every inch was buttery smooth...

Switched it out for a Dirt Jumper 2 with air assist... now,
the springs on these are way stiff, naturally. I let out all
the air and it's just perfect for me.

Sorry that I had no real good advice to offer you, but
good luck!

--
Phil, Squid-in-Training
 
"Slacker" <[email protected]> wrote in message
> Never seen it. And who's John Frusciante and Brian Wilson?
>
> --
> Slacker

Brian Wilson is the Genius behing the songs the Beach
Boys sang.

John Frusciante is the guy who plays guitar in the RHCP.

Check out johnfrusciante.com for free downloads of demos and
a complete acoustic performance of his new album.
 
"LoomerMBV" <[email protected]> wrote in message
news:[email protected]...
> I am looking for help getting the correct spring weight
> for myself so bear with me. With Gear I am 220 pounds. I
> get 35% sag and major brake dive now. I pulled my 02 Jr
> T's apart and found that there are 2 springs in each
leg.
> I am assuming that one is for a 100mm fork and the other
> is for a 70mm
fork.
>
> Ok the 100mm is red and the 70mm is green.
>
> Supposedly the 100mm red is for a 170 to 205 pound rider.
> Supposedly the 70mm is for a 120 to 155 pound rider.
>
> If I take the mid point of both springs and divide by 2 I
> get a 161 pound average rider weight,
>
> Are my calculations/assumptions correct?
>
> Is it better to upgrade the 70mm or 100mm springs?
>
> Which should be heavier, the 70mm or the 100mm springs?
> Does it matter? Anyone around my weight have opinions?
>

I have the same fork as you. The recommended sag for
DH/heavy duty usage is between 20-30% of the fork's total
travel. Use the preload adjuster to correct the sag on
your fork.

You also have to consider the amount of oil that you have in
the fork. They recommend about 100mm of oil level (use a
little more oil if you're a heavier person). Make sure the
oil is SAE 7.5wt. Nothing more, nothing less, or else you'll
wind up with a screwed up fork. You should change the oil
every 100 or so hours of usage, depending on how hard or how
often you ride the fork.

I don't know how you came about your math. Before you start
changing any springs in your fork, try playing with the oil
level and preload adjustment and see what happens.

- CA-G

Can-Am Girls Kick Ass!
 
"Carla A-G" <[email protected]> wrote in message
> I have the same fork as you. The recommended sag for
> DH/heavy duty usage
is
> between 20-30% of the fork's total travel. Use the preload
> adjuster to correct the sag on your fork.
>
> You also have to consider the amount of oil that you have
> in the fork.
They
> recommend about 100mm of oil level (use a little more oil
> if you're a heavier person). Make sure the oil is SAE
> 7.5wt. Nothing more, nothing
less,
> or else you'll wind up with a screwed up fork. You should
> change the oil every 100 or so hours of usage, depending
> on how hard or how often you
ride
> the fork.
>
> I don't know how you came about your math. Before you
> start changing any springs in your fork, try playing with
> the oil level and preload
adjustment
> and see what happens.
>
> - CA-G
>
> Can-Am Girls Kick Ass!

Thanks for the reply. I have already tried changing the oil
levels and I tried the 7.5, 10 and now 15 weight oil too. I
like the 15 weight the best. SO I have been down those
roads. My preload adjusters are maxed out too.

I am looking to the springs now to correct brake dive a
excessive sag.

Any ideas?
 
"Carla A-G" <[email protected]> wrote in message
news:[email protected]...
> "LoomerMBV" <[email protected]> wrote in message news:CYkyc.1-
> [email protected]...
> > Any ideas?
>
> Stiffer springs. Call Marzocchi and speak to them about
> which springs will work for your fork.
>
> - CA-G
>
> Can-Am Girls Kick Ass!

I just got off the phone with them. Here is the deal-e-o.

There are no dependencies regarding which size spring should
be greater than the other size. This 4 spring config allows
you to tune how stiff the first 70mm or 100mm is going to
be. So they are sending me the stiffest 70mm and the
stiffest 100mm. Believe me I will try every possible config
including mixing the new springs with the old.

I will overcome the brake dive problem and I will find the
plushest config too.

I have really learned a lot about suspension tuning in the
last few months, what with a 5th Element tuning and now
these DC forks.

Thanks to everybody for the help.
 
bomba wrote:
> On Thu, 10 Jun 2004 21:08:41 -0700, Slacker wrote:
>
>
>>Never seen it. And who's John Frusciante and Brian Wilson?
>
>
> Hope you're kidding...
>
>
Actually, I wasn't. I just googled them tho'. Never was a
huge RHCP fan, and the Beach Boys, come-on! But then again,
I never cared for the Bay City Rollers or the Back Street
Boys either.

--
Slacker
 
loomer wrote:

> "Slacker" <[email protected]> wrote in message
>
>>Never seen it. And who's John Frusciante and Brian Wilson?
>>
>>--
>>Slacker
>
>
> Brian Wilson is the Genius behing the songs the Beach
> Boys sang.

Please tell me you are using "genius" the same way some
*could* say, ****** was a military genius? Because, even if
the statement was true, nobody in their right mind would say
such a thing because any "genius" was used for such a evil,
disgusting and disturbing thing.

> John Frusciante is the guy who plays guitar in the RHCP.
>
> Check out johnfrusciante.com for free downloads of demos
> and a complete acoustic performance of his new album.
>
>
That dude desperately needs a vocal coach. The only note
worthy thing I found on his website was,

<<He grew up "masturbating and playing his guitar" to
the likes of Frank Zappa and Jimi Hendrix for up to 15
hours a day.>>

Se you guys, there is hope for Spankiski.
--
Slacker
 
"Slacker" <[email protected]> wrote in message
news:[email protected]...
> bomba wrote:
> > On Thu, 10 Jun 2004 21:08:41 -0700, Slacker wrote:
> >>Never seen it. And who's John Frusciante and Brian
> >>Wilson?
> > Hope you're kidding...
> Actually, I wasn't. I just googled them tho'. Never was a
> huge RHCP fan, and the Beach Boys, come-on! But then
> again, I never cared for the Bay City Rollers or the Back
> Street Boys either.
>
> --
> Slacker

Just give it a chance.
 
"Slacker" <[email protected]> wrote in message news:2ivdlsFrigjrU1@uni-
> Please tell me you are using "genius" the same way some
> *could* say, ****** was a military genius? Because, even
> if the statement was true, nobody in their right mind
> would say such a thing because any "genius" was used for
> such a evil, disgusting and disturbing thing.

Hmm...??? Uh hello is this thing on? Testes testes. Lol.

> That dude desperately needs a vocal coach. The only note
> worthy thing I found on his website was,
>
> <<He grew up "masturbating and playing his guitar" to the
> likes of Frank Zappa and Jimi Hendrix for up to 15 hours
> a day.>>
>
>
> Se you guys, there is hope for Spankiski.
> --
> Slacker

Nice how you honed in on the wack off comment! ;-0

Anyway yes John is a musical genius. Give it another listen
my friend.
 
loomer wrote:

> "Slacker" <[email protected]> wrote in message news:2ivdlsFrigjrU1@uni-
>
>>Please tell me you are using "genius" the same way some
>>*could* say, ****** was a military genius? Because, even
>>if the statement was true, nobody in their right mind
>>would say such a thing because any "genius" was used for
>>such a evil, disgusting and disturbing thing.
>
>
> Hmm...??? Uh hello is this thing on? Testes testes. Lol.

SOB, *you* were serious. Maybe you should get a Shiver ?? I
think that diving Jr T may have rattled something loose!

>>That dude desperately needs a vocal coach. The only note
>>worthy thing I found on his website was,
>>
>><<He grew up "masturbating and playing his guitar" to the
>>likes of Frank Zappa and Jimi Hendrix for up to 15 hours
>>a day.>>
>>
>>
>>Se you guys, there is hope for Spankiski.
>>--
>>Slacker
>
>
> Nice how you honed in on the wack off comment! ;-0

Hmmm... just noticed that myself. That is a *little*
disturbing.

> Anyway yes John is a musical genius. Give it another
> listen my friend.
>
>
I think you're confusing my comments about Brian Wilson with
John. I didn't mean to say anything about his musical
talents, which I do recognize, just his signing style. But I
also just noticed the Demo section is "unproduced & raw"
songs, so maybe I just need to hear the polished version?

--
Slacker - Whacker
 
loomer wrote:

> "Slacker" <[email protected]> wrote in message news:2ivcp1Fr0nfqU1@uni-
> berlin.de...
>
>>bomba wrote:
>>
>>>On Thu, 10 Jun 2004 21:08:41 -0700, Slacker wrote:
>>>
>>>>Never seen it. And who's John Frusciante and Brian
>>>>Wilson?
>>>
>>>Hope you're kidding...
>>
>>Actually, I wasn't. I just googled them tho'. Never was a
>>huge RHCP fan, and the Beach Boys, come-on! But then
>>again, I never cared for the Bay City Rollers or the Back
>>Street Boys either.
>>
>>--
>>Slacker
>
>
> Just give it a chance.
>
>
One need not place a piece of dog feces in their mouth to
understand it's not a tasty morsel.

--
Sensei Slacker
 
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