Project Fit : Hondata Flash Pro and bolt ons

StockSpyder

This 2008 Honda Fit Sport has recently been equipped with the recently released Hondata Flash Pro, and we hit the dyno to try and get a baseline before further mods.

Current mods on vehicle :

AEM CAI Intake
DC sport 4-1 ceramic header
Skunk2 60mm cat back exhaust
Denso IK-22 plugs and 91 octane pump gas

Equipped with basic I/H/E and nothing too fancy, we visit Dynospot Racing once more to use their Dynojet 448x. With no changes to the factory tune, the Fit puts down 87 whp and a very decent curve but overly rich at 12.1:1 air fuel ratio. At redline the car approaches a 11.7:1 ratio….. lol rich much?

After the basic changes to speed limiter and rev limiter, we advance the VTEC engagement point 500 rpm, and make adjustments to the lo and hi fuel tables.

Leaning out the midrange and top end of the car helps…

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