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ben marshall
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ben marshall's Discussions

90s Apache Tomahawk sale

Early/Mid 90s Apache Tomahawk rolling chassis.Made by Apache Constructors Wantirna South.I have owned this since 1994.40mm axle.Old MG yellows with little use.Spare wheels, hubs, bars and pads.No…Continue

Started Jul 17

2013 FA X30 package sale
2 Replies

2013 OTK Fernando Alonso Victory 30mm chassis.IAME X30 125cc water cooled electric start.New never run Tillotson upgrade carb.Full engine rebuild approx 11 hours run time ago.New magneto two race…Continue

Started this discussion. Last reply by ben marshall Aug 3.

JC kart manufacturer

Is JC kart a Parolin chassis?

Started Jun 26

Do DFMs have a narrow working psi window
5 Replies

Sorry for another DFM question.Do DFMs have a very narrow working window for pressure?Very occasionally I find a pressure that seems to make the rears grip up and feel like chewing gum on the…Continue

Started this discussion. Last reply by Michael Jones May 3.

 

ben marshall's Page

Latest Activity

ben marshall replied to ben marshall's discussion 2013 FA X30 package sale
"Bump!"
Aug 3
ben marshall replied to ben marshall's discussion 2013 FA X30 package sale
"Can include 6x4 open trailer setup ready to transport for $650 with kart."
Jul 11
ben marshall replied to Kristian Mizdrak's discussion Lead Placement
"I like the sound of that class Max. More competition less classes. Either shorter club days or more heats available. Racing against one or two in your class with another class on the track at the same time is not very exciting or interesting to…"
Jun 28
Michael Jones replied to ben marshall's discussion Do DFMs have a narrow working psi window
"Around 15psi Hot seems to be on the money for the DFM tyre in most circumstances. however i have seen them run successfully up has high as 22psi on a brand new track surface."
May 3
David Arnold replied to ben marshall's discussion Do DFMs have a narrow working psi window
"No knowing the DFM's, That seems very high for a cold pressure. With the MG Reds, 12 - 14 psi, depending on conditions was what I use to used as a cool (not totally cold but some residual heat from a practice) starting tyre pressure. I would…"
May 3
Trent replied to ben marshall's discussion Do DFMs have a narrow working psi window
"Cold pressure Ben"
May 2
ben marshall replied to ben marshall's discussion Do DFMs have a narrow working psi window
"Hi Trent, are these hot or cold pressures?"
May 1
Trent replied to ben marshall's discussion Do DFMs have a narrow working psi window
"Hi Ben, because of the shape of DFM's, I usually find that 12-14psi works for my kart. Mostly 12 psi. Once they start to slide in the rear, they just get hotter and slide more. You will also see that not all of the tread is making contact with…"
May 1
Max Laybutt replied to ben marshall's discussion Dirt/Speedway clubs Vic
"Ben, Have a look on the SPEEDWAY AUSTRALIA Site, they have heaps of clubs listed and I have no doubt that some of the clubs listed would have go kart divisions. Max."
Mar 30
ben marshall replied to Simon Major's discussion X30 Update Testing
"Yes same."
Mar 7
ben marshall replied to Nikola schmidt's discussion Arrow Brake Issue (sticking pads)
"I've had really worn pads where the piston doesn't retract back into the cylinder because its cone out too far and slightly cocked over and stuck. You might have too worn pads."
Feb 26
ben marshall replied to Spencer A's discussion Ezi tune/ transponder/ KA3 wets / axles
"What 50mm axles you got?"
Feb 25
ben marshall replied to Spencer A's discussion Ezi tune/ transponder/ KA3 wets / axles
"Where are you located?"
Feb 25
ben marshall replied to Richard's discussion Selling up bits and pieces
"What length hubs?"
Feb 10
ben marshall replied to Trent's discussion New to karting need some help
"I picked up an alfano ads gps for $250 new. Sometimes they pop up for this price."
Feb 2
ben marshall replied to ben marshall's discussion D to C grade
"Ok thanks"
Oct 19, 2017

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Racer

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