MAP RX8 by versatune

Tuning discussion for all first generation Mazda RX-8 (2004-2008)
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tophe88
Posts: 30
Joined: May 6th, 2022, 8:31 am

MAP RX8 by versatune

Post by tophe88 »

Hello

Have you a modify map for 98EU ?
Because i see only 95 or 92 ??

Regards
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wcs
Posts: 83
Joined: May 12th, 2021, 12:46 am

Re: MAP RX8 by versatune

Post by wcs »

EU ratings are 95/98, which are equivalent to US ratings of 91/93. So, EU 95 octane = US 91 octane and EU 98 octane = US 93 octane. Top performance with EU 98 octane = 93 US octane. Small loss in performance with EU 95 octane = 91 US octane
Walle
Posts: 51
Joined: August 29th, 2021, 7:27 pm

Re: MAP RX8 by versatune

Post by Walle »

there is no benefit of pushing the ignition advance further up (no torque to be gained). the engine is not knock limited. ofc you can hit knock with low quality fuel. or if you advance the ignition you will be riding on the "knock retard" table ie less advance than originally. make sure you run high quality fuel (fresh) ay etanol based (e5 and e10) lose their octanes within a month
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