badbanshee509 Posted April 3, 2014 Report Posted April 3, 2014 So I have searched through and through but I cannot find any one who says anything about what tire pressure they are run on the drag strip on their quads. I running AR tires and I was told that 12 PSI was good tire pressure for hooking at the track, im 210LBS rider what do you guys run in your tires? Quote
aleyesonme Posted April 3, 2014 Report Posted April 3, 2014 8.5 Sent from my LG-P769 using Tapatalk Quote
badbanshee509 Posted April 3, 2014 Author Report Posted April 3, 2014 yeah but what I am looking for is a good base tire pressure to start with and work from there... is 12 psi to much to start with at a base pressure? Quote
badbanshee509 Posted April 4, 2014 Author Report Posted April 4, 2014 ill try from 14 PSI and like stated above go down till I find the sweet spot on the track, it just crazy cause 8 PSI looks like a flat tire. Quote
Pasi S. Posted April 4, 2014 Report Posted April 4, 2014 My friend told me to start from 14 and go from there. Now I´m at 10-12. I use 20810 sd 23 AR, stock frame, +6swingarm. Quote
SlowerThanYou Posted April 4, 2014 Report Posted April 4, 2014 It's funny how people with no asphalt experience, think they really understand what's going on. Until you have done it, you don't have a clue! But you can buy them from SKEETER, he has plenty for sale. bb509, to better answer your questions more information is needed. Frame type, swingarm length, engine size/power, tire size, rim width & distance being run. 2 Quote
SlowerThanYou Posted April 4, 2014 Report Posted April 4, 2014 STY.... reason I said to do some trial runs.. everyone has different set ups and preferences. he got told a good avg tire psi rating.. all I said was to do a few trial runs at smalls changes and see how it goes. everyone raising up stink cause I said to go and do some trial runs with dif psi readings and see what works for him... sheesh people. I asked for some info for a reason. It's needed to figure out what's "a good avg tire psi rating" as you put it. Once I get that info, it may or may not be clearer to you or whomever. Sorry to be so gruff! Quote
sleeper06 Posted April 6, 2014 Report Posted April 6, 2014 Im gonna take it back rite here and I have used this method have someone video just your tire on the launch you want it to wrinkle at around 7 o-clock when it bites . Everyone has there own methods but with drag cars I have found that helpfull , I used to be on a lil pit crew for a drag radial car and we used to have a couple diffrent cameras to look at diffrent aspects of launch Quote
sleeper06 Posted April 6, 2014 Report Posted April 6, 2014 Imo you need to find a nice balance of wheelir bar height and tire pressure so your tires never come unloaded Quote
badbanshee509 Posted April 6, 2014 Author Report Posted April 6, 2014 Frame type stock lightened, swingarm length +8, engine size/power 4Mil stock cylinder, tire size 20,10,10, rim width 10 & distance being run 1/8th mile. Quote
SlowerThanYou Posted April 7, 2014 Report Posted April 7, 2014 Frame type stock lightened, swingarm length +8, engine size/power 4Mil stock cylinder, tire size 20,10,10, rim width 10 & distance being run 1/8th mile. The thing that worries me, you stated the tire looked flat at 8 lbs. I'm all about safety 1st & that statement concerns me. Are them tires new or used & how many runs on them? We are heavy rider's also & weigh up to 230 lbs. fully dressed in leathers. We have ran a +8" & +14 arm with our lightened stock frame, 443 Cub , run both 1/8 & 1/4 mile. We run our pressure between 5 & 7 lbs. Our quickest times come with 5 lbs. Ultimately the time slip tells the story, primarily the 60'! IMO, anything under 5 lbs. is a safety hazard. Quote
sleeper06 Posted April 7, 2014 Report Posted April 7, 2014 I know every bike is diffrent but I ran quicker times with the 19-8-10 ar sd 23, less rotational mass for lil 4 mil Quote
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