Odd. Have you asked the shop that did your clutch installation?
Assuming it's not a clutch or slave adjustment due to improper install, synchros would be my next guess. Just weird that it's 1 and R since the 5th gear synchro seems to be the most common failure.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed |
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