K20A EK9 Tyre Size


minimick

Member
Joined
Feb 2, 2011
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43
I just swapped a STOCK DC5 K20A in an EK9 with some bolt ons and made 262 bhp.

The problem is when i went for a quarter mile it spinned on itself till 3rd gear and got a horrible result. I got TOYO R88 195/50/16.

Also the speedo is out of sync.

Any suggestions please ?
 
Throttle control?
I've run 280 through 195 dz03(r888 equivalent dunlops) and no spinning at all.
Carefull on the gear changes and throttling on helps no end.
 
What you need is slicks no other tire will grip like a full slik..
 
Is the car drag car? If so get some drag slicks.
If its just your all round track/drag/ play toy, then you need to get more seat time and stop using the throttle like a switch. I managed to put down "most of my power (300ish bhp/200lbsft) in 2nd gear no problem at my local drag strip. And its surface is sh*te!

Suspension setup helps loads as well.
 
Last edited:
As Jesse said, throttle control. I have a K20 ek9 also, it hasn't got that much torque lets me serious
 
I used 225/50/16 on the strip with 16x7.5 wheels and they gripped o.k after controlling the throttle in first. They're for sale if your interested. Also mine was a K24 273bhp/ 206 ft/lb
 
whats The Right correct speedp Percent for K2oA type R DC5 swap in ek with 195/50/16? Cause I can Use The Kpro manager to set up a right percent.
 
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