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> Falken Azenis tire pressures for AX
Racer
post Aug 11 2016, 06:07 PM
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So.. I found one of the few sporty tires for 14" rims for my 914. Falken Azenis RT615-Ks. 195-60-14.

So far, I really like them. However, I can't seem to tell a good pressure for them at AX. First even started at 35 cold all around.. felt ok, and kept bleeding down to 35 as they heated up. Car felt good, but did feel as they heated up I was losing grip, hence the bleed downs during the day

Second event, didn't check cold (slow brain) but bleed them down, hot to 32ish. Couldn't really tell if they were better or worse than 35 hot...

My previous 914 and R comp experience was 205-50-15s (smaller sidewall) of Yoke A008, A032rs, Kumho Victoracers, RA-1s. For those, I never ran more than 30hot.

What could be skewing my memory/preferences is the last 3-4 years I ran a stock 1987 944, 215-60-15s Fuzion xxxx's and they really felt good at 35 hot all around.

Thoughts? Should I be closer to 30 hot with these too? Perhaps I fear too much sidewall flex for the 60 series tire...
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914 Ranch
post Mar 10 2017, 06:45 AM
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I'm with George and Tony and I never heard of 10psi per 1K lbs. When setting up my A/X car I was on my own. My car weighs in at 1630 lbs. The last time she was raced we had 14 in the front and 15 in the rear.
It's the rollover (scuffing) on the edge of the tire that guides you to the proper inflation for each tire.
I use a pyrometer to get the tires on the proper contact with the ground, I measured the temperature in 3 places on each tire. I have heard they should all be within 10°.
My car was running with all of them in 130 - 140, I want a little less camber in the front.
Going to grind on the front shock mounts and drop the air another half pound.

Joe Sharp
Team NARP
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