Modifications - Performance Discuss aftermarket and DIY performance modifications

track n street

Old 02-09-2010, 02:16 PM
  #1  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
track n street

im new to street bikes. i raced motocross. and am comfortable on the street. i want to build a track and road bike. i cant drag a knee but i can get rubber ***** on my edges of my tire , just hard to find some good twistys in florida. i would like to know some good upgrades for the track. i know my bike dives heavy when i brake and seems soft in the front forks when in a hevy corner. im 185 lbs. so i thought about adding a little more fork oil for now then do a swap. how are stiffer springs in the regular forks with valving. maybe some valving in the rear shock too. its just not as stiff as i would like.i just got some bt003 tires only rode them once till some lady broke my arm with her door. also how about motor work? or am i doing it all to fast money is kinda tight. i would like 11.5 pistons a stg 1 cam and head work. can i still run on pump gas? i have kerker ext and a k&n i know its still slow lol. i really just want it to be responsive on the track cornering now.. my motor build can wait.

sugestions???
4bangeranger is offline  
Old 02-09-2010, 02:21 PM
  #2  
Senior Member
SuperBike
 
trinc's Avatar
 
Join Date: Feb 2007
Location: Portland, Oregon
Posts: 1,051
trinc is on a distinguished road
i ran stock valving with new fork springs for a while at the track ( 7w w/ 140mm air gap ) along with a fork brace... it works to a point, then i had greg revalve them.

tim
trinc is offline  
Old 02-09-2010, 02:30 PM
  #3  
Sprung
World Champion
 
Hawkrider's Avatar
 
Join Date: Dec 2004
Location: Fulton, MO
Posts: 105,285
Hawkrider will become famous soon enoughHawkrider will become famous soon enough
Jamie's F4i reworked shock and my fork work and you should be good to go. If you're over 190 then I recommend a fork brace too.
Hawkrider is offline  
Old 02-09-2010, 02:38 PM
  #4  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
what forks do u run?? how ar the cbr brakes?? like night and day
4bangeranger is offline  
Old 02-09-2010, 03:18 PM
  #5  
Senior Member
Superstock
 
NCDave's Avatar
 
Join Date: Oct 2009
Location: Concord, NC
Posts: 344
NCDave is on a distinguished road
unless you are going to race, or get very competitive at the track, your stock bike will allow you to have plenty of fun. I ran Michelin PP 2CTs at the track last year on mine. I set the front up as best it could be by a suspension tuner at the track, and the rear was able to be dialed in reasonably well.

When I bought my SH, it already had jetting and exhaust upgrades done, but it really isn't necessary to have fun at the track. If you are going to get serious, have the front suspension rebuilt (about $800 to be done professionally), and replace the rear shock with something more adjustable. Also put on manual CCTs, and do the intake/jet/exhaust changes. that's about as far as you can take the SH. Beyond that, go with a GSXR750.
NCDave is offline  
Old 02-09-2010, 03:25 PM
  #6  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
thanks for the advice

i like to wrench tho lol i might have to do a few things just to try it out.just to see the diffrence.

Last edited by 4bangeranger; 02-09-2010 at 03:27 PM. Reason: im an idoit
4bangeranger is offline  
Old 02-09-2010, 08:42 PM
  #7  
Sprung
World Champion
 
Hawkrider's Avatar
 
Join Date: Dec 2004
Location: Fulton, MO
Posts: 105,285
Hawkrider will become famous soon enoughHawkrider will become famous soon enough
I had stock forks with springs, gold valves, and custom rebound valving for the longest time. Only about a year or two ago did I move to the 1000RR forks.
Hawkrider is offline  
Old 02-09-2010, 08:47 PM
  #8  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
how did the hawk forks ride?????
4bangeranger is offline  
Old 02-09-2010, 08:52 PM
  #9  
Senior Member
SuperSport
 
jay956's Avatar
 
Join Date: Aug 2009
Location: Richmond, VA
Posts: 684
jay956 is on a distinguished road
buy a couple more sets of tires then head to Jennings! good form will result in knee dragging. trying to drag a knee with result in bad form, which will lead to crashes.

id say get out to the track first, and get good instruction. once your proficient on the track, then figure out what you want to do to the bike.

do you have your suspension set up right(preload/dampening)?

Last edited by jay956; 02-09-2010 at 09:00 PM.
jay956 is offline  
Old 02-09-2010, 08:54 PM
  #10  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
prob what i should do lol.. still have yo wait for this arm... what do i need to do to my bike?
4bangeranger is offline  
Old 02-09-2010, 10:56 PM
  #11  
Senior Member
SuperSport
 
shayne's Avatar
 
Join Date: Dec 2005
Location: Sunshine Coast, Australia
Posts: 963
shayne is on a distinguished road
Do the important stuff first. Get your suspension re-sprung and re-valved, as mentioned above. Then fit CBR brakes to the forks.

These mods are morte important than engine mods in my opinion.
shayne is offline  
Old 02-10-2010, 06:34 AM
  #12  
Senior Member
SuperBike
 
trinc's Avatar
 
Join Date: Feb 2007
Location: Portland, Oregon
Posts: 1,051
trinc is on a distinguished road
+1 on waiting for engine mods... & that will only come if you truely love the bike. if your looking for a track weapon a gsxr750 would be a great choice.

the hawk in it best form will never be an SS bike but for my local track, which isn't very technical, it's still a blast to ride... even though it's WAY down on power.


tim
trinc is offline  
Old 02-10-2010, 05:54 PM
  #13  
Sprung
World Champion
 
Hawkrider's Avatar
 
Join Date: Dec 2004
Location: Fulton, MO
Posts: 105,285
Hawkrider will become famous soon enoughHawkrider will become famous soon enough
Originally Posted by 4bangeranger View Post
how did the hawk forks ride?????
They were great! My own personal valving is a tad better though. I weigh 230-ish and used to do lots of track days and hard backroads riding. The forks never failed me once. Highly recommended mod.
Hawkrider is offline  
Old 02-10-2010, 06:42 PM
  #14  
Senior Member
SuperBike
 
RCVTR's Avatar
 
Join Date: Dec 2005
Location: South Lake Tahoe, CA, USA
Posts: 1,689
RCVTR is an unknown quantity at this point
We've discussed this before, but...

A fork brace is not just a benefit for heavy riders. In fact rider weight has little to do with the function of a fork brace. A brace works by forcing the fork legs to remain parallel. When you are turning the bike the front wheel acts as a gyroscope and resists changes in direction. Torque from the handlebars results in a backward force in one fork leg and a forward force in the other leg. By tying them together, you prevent this scissoring action.

It is an improvement to the handling and steering precision of the motorcycle that is immediately apparent, regardless of rider weight. Very little effect on straight roads - tremendous effect in the twisties.

The stock springs are progressive and overly soft in the initial travel range. Using a constant rate spring for your suited rider weight is a big improvement.

Greg has a good setup for VTR forks and is a straight-up, good guy.
JamieDaugherty's modification to the 600 F4i shock for the VTR, with Racetech valving and shim stack looks to be the best bang-for-the-buck for the rear suspension. Several happy customers there, as well. but this has all been said...

Do these things. You will be happy you did.

Last edited by RCVTR; 02-10-2010 at 07:00 PM.
RCVTR is offline  
Old 02-11-2010, 07:13 AM
  #15  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
thanks guys i just ordered my fork brace. what spings and valves should i go with???? this is what they say.

Recommended Fork Spring Rate for Racing: 0.945 kg/mm (use closest available)
Stock Fork Spring Rate: .585 kg/mm (stock)
Available FRSP S3534 Series Springs are:
REAR SHOCK SPRING
Recommended Rear Shock Spring Rate for Racing: 17.88 kg/mm (use closest available)
Stock Shock Spring Rate: 16.4 kg/mm (stock)
Available SESP 80225 Series Springs are:

the recomended springs above.

with the G2-R valves in the forks

Hi-Frequency Response Race Rebound Gold Valve

a valve in the rear... on the web it dose not match up to my bike.

then a rebound separator valve.. my total will be $885 with a rebuild kit.. for forks.. should i rebuild my rear too. when its all apart??

how dose that sound to u guys.. i have never set up forks like this before lol.. most i have done was change the springs and seals im my yz 250...
4bangeranger is offline  
Old 02-11-2010, 09:12 AM
  #16  
Senior Member
SuperBike
 
Erik S.'s Avatar
 
Join Date: Nov 2007
Location: Westerly, RI
Posts: 1,216
Erik S. is on a distinguished road
Sounds out there. What you do is send HawkRider a PM, tell him your weight and your desires for handling.

Pull the forks off your bike. Package them up good, and send them to Greg and let him work his magic, he might have some that at the house already. If I recall correctly, his posted price was less than $400.

Then, you contact Jamie Daugherty, tell him your weight and ask him to provide the F4i shock (if he has one). I think, but can't recall correctly at this moment, that mine ran $480 shipped to me.

$880 dollars later, you have your front and rear supsension for your bike, built by 2 guys who love their Superhawks and provide a service to the rest of us.

I went a different route for the front, a conversion, but plenty others have testified to the quality of Hawkriders work.

Also, there are plenty of testaments to the work of Jamie.
Erik S. is offline  
Old 02-11-2010, 09:39 AM
  #17  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
probably what i should do.. but i really love building my own stuff i just need some help with what i need. there is just something about building it yourself that i love. but who knows i might just send it out.. would be the right thing to do.
4bangeranger is offline  
Old 02-11-2010, 09:15 PM
  #18  
Member
Squid
Thread Starter
 
4bangeranger's Avatar
 
Join Date: Dec 2009
Location: st pete, FLA
Posts: 64
4bangeranger is on a distinguished road
are these good, more like worth the money?

http://cgi.ebay.com/ebaymotors/Ohlin...Q5fAccessories
4bangeranger is offline  
Old 02-11-2010, 10:26 PM
  #19  
Senior Member
MotoGP
 
lazn's Avatar
 
Join Date: Mar 2007
Location: Phoenix, AZ
Posts: 3,132
lazn is on a distinguished road
The Ohlins are good. No one disputes that.

But the DMR F4i conversion and revalve is half the $ and those that have it rate it equal to any aftermarket shock out there.

http://daughertymotorsports.com/

He still hasn't put it on his website, but contact him and he can hook you up.
lazn is offline  
Old 02-15-2010, 03:23 PM
  #20  
Senior Member
SuperBike
 
RCVTR's Avatar
 
Join Date: Dec 2005
Location: South Lake Tahoe, CA, USA
Posts: 1,689
RCVTR is an unknown quantity at this point
You can probably find a good shim stack recommendation with the stock valves and your recommended spring rate here:

http://old.racetech.com/evalving/men...chstreetvs.asp
RCVTR is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Shane702
Technical Discussion
8
04-19-2013 05:02 PM
YTKinWI
Classifieds
0
04-08-2013 08:59 AM
greatdane
Classifieds
0
09-18-2008 05:10 PM
Dusty B
General Discussion
22
04-08-2008 05:49 PM
EngineNoO9
General Discussion
24
01-16-2007 11:53 PM


Thread Tools
Search this Thread
Quick Reply: track n street


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.

All times are GMT -7. The time now is 02:04 AM.


© 2019 MH Sub I, LLC dba Internet Brands