Honda Fit / L-series dynographs

Honda Fit/Jazz and L-series Honda engine dynographs & other relevant information.

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GD3 (L15A1)

157whp and 158tq running at 6psi. Mods consists of T1R turbo kit with Tanabe Touring Axle back Muffler.

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HKS turbo kit vs. stock GD3

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HKS Turbo Honda Fit (USDM GD3)

-HKS turbo kit (5.7psi max)

139 BHP @ 5700RPM

136 Ib-ft @ 4000RPM

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info:

L15A1

Catless Downpipe, Fujitsubo Wagolis axle-back exhaust, tuned on Hondata Flashpro.

~104WHP

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2011 Honda Fit Dyno 121 WHP at PSI Racing

Mods:

Jet performance V-Force

Jet Performance MAF sensor

T1R power header/down pipe

T1R Test pipe

T1R b-pipe resonator delete

Mugen axleback

PRM air intake

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"Here is one of our projects, Tuning this Honda Fit GE8 L15A7 to the Limit on stock exhaust. "

Specs are below:

*Rzcrewgarage Custom Forged Pistons (13:0:1 Compression Ratios)

*Rzcrewgarage CNC Ported Head

*Rzcrewgarage Individual Throttle bodies

*Rzcrewgarage Camshaft

*Link Monsoon ECU

*Custom accelerator Pedal to pass from DBW to Cable

*Stock Header and exhaust

134WHP@7600rpm and 136.7Nm@6400Rpm

-Jan 27, 2019

note* 136.7 Newton-meters (Nm) is equivalent to approximately 100.85 foot-pounds (ft-lbs), as 1 Nm equals roughly 0.73756 ft-lbs. 

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L15A7

This engine has been used since 2009 in 2nd Gen Honda Jazz/Fit

SOHC 16 valve i-VTEC

Displacement: 1.5 L; 91.4 cu in (1,497 cc)

Bore x Stroke: 73 mm × 89.4 mm (2.87 in × 3.52 in)

Compression Ratio: 10.4:1

Power: 120 PS (88 kW; 118 hp) at 6,600 rpm

Torque: 145 N⋅m (107 lb⋅ft) at 4,300 rpm (GE8 Fit)

CO2 emission: 148 g (5.2 oz)/km

Honda Fit (Japan series GE8 / 9)

Honda Jazz (Brazil, Thailand GE8 / 9)

Honda Freed (Japan series GB3 / 4)

Honda City (India, Brazil, Pakistan, Thailand, Malaysia, ASEAN)

Optional engine in any Sports Car Club of America Formula Ford 1600 chassis. As of this time, the engine is only legal for Formula F racing in the United States in series that use the Ford Kent engine. It is not legal in other markets using Formula F chassis where the Ford Kent engine is standard.

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L15A1 VTEC

It debuted in JDM Fit and Mobilio Spike in September 2002.

Available in the Fit, Fit Aria, Airwave, Mobilio, and Mobilio Spike in Japan. Sold throughout the world with 5-speed manual or CVT options in the Fit/Jazz, Airwave and City. Canadian and US Fit models offered a 5-speed automatic instead of the CVT.

Displacement: 1.5 L; 91.4 cu in (1,497 cc)

Bore x Stroke: 73 mm × 89.4 mm (2.87 in × 3.52 in)

Compression Ratio: 10.4:1

Power: 111 PS (82 kW; 109 hp) at 5,800 rpm

Torque: 143 N⋅m (105 lb⋅ft) at 4,000 rpm

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The entire kit bolts on without any cutting or permanent modifications to the vehicle and includes all necessary brackets and hardware for a straightforward installation

Finally, KraftWerks says If you replace the restrictive stock exhaust manifold with a header, gains as high as 7 whp and 13 lb-ft of torque more have been found in addition to the claimed 164 whp.  We look forward to doing a full evaluation of this kit in the future.  Good Job KraftWerks!

  FEATURES: 75-Percent HP Increase Rotrex C15-60 Supercharger Rotrex Self-Contained Oiling System with Oil Cooler Hondata/KraftWerks ECU Reflash RC Engineering 310cc Fuel Injectors Plug-and-Play Fuel Injector Connectors Automatic Belt Tensioning System Recirculating Bypass Valve Aluminum Intake and Discharge Piping High-Quality CNC-Machined Brackets High-Quality Metric Fasteners and Hardware Side-Mount Intercooler Carbon-Fiber Cowl Carbon-Fiber Intercooler Duct Retail Price: $4495

NOTE: Compatible only with USDM, L15A engine and manual transmission.  

Visit KraftWerks USA 

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This carbon-fiber cowl fits in place of the small, plastic pop-out master cylinder inspection cover located just below the windshield where high-pressure air is trapped and diverted across the intercooler

Safety and reliability is further enhanced with an intercooler package. KraftWerks knew that their customers wanted an intercooler, but we also knew that they weren’t interested in ditching their fog lights or chopping up their front bumpers just to get a front-mount intercooler to fit. KraftWerks’ solution is a cowl mounted air-to-air intercooler system that mounts neatly under the hood in-between the throttle body and radiator.  The intercooler is fed cold air from a provided carbon fiber intercooler cowl. The cowl fits just below the windshield where high-pressure air is trapped and diverts cold airflow across the intercooler. The entire kit bolts on without any cutting or permanent modifications to the vehicle and includes provisions for both the intake air temperature sensor and the supercharger bypass valve.

Kraftwerks supercharger kit

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The High-Boost Supercharger Kit includes a air-to-air intercooler that mounts neatly under the hood, in between the throttle body and radiator, and picks up airflow from the KraftWerks intercooler cowl.

The KraftWerks’ kit features the remarkable and innovative C15-60 traction drive Rotrex supercharger. The innovative traction drive is silent and effectively decouples the supercharger under light loads to minimize the impact on fuel economy.

Forced induction of late model motors without proper engine management using regulators and other bandaids is risky business but KraftWerks solution is complete. They  called upon the engineers at Hondata to tailor the Fit’s ECU to high-boost duties. The ECU’s fuel and ignition maps have been calibrated to the kit’s RC Engineering 310cc fuel injectors making a true plug-and-play solution that’s safe, reliable, and functions with the stock header/catalytic converter combo or any number of full-race exhaust manifolds. Hondata also lowered the VTEC window for improved driveability, removed the speed limiter, and raised redline to 7,100 rpm. The result is the perfect compromise between daily driving and track performance. Hondata’s Honda Fit ECU reflash is available exclusively through KraftWerks and is currently the only Fit tuning solution available.

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The KraftWerks’ Honda Fit Supercharger Kit, features the remarkable and proven C15-60 Rotrex supercharger, Hondata engine management and a comprehensive intercooling solution. The KraftWerks Honda Fit kit provides has everything needed for a trouble-free, bolt-on installation

KraftWerks' Honda Fit High-Boost Supercharger Kit measures in at 163.7 whp and 132.2 lb-ft torque at 10 psi. The dyno sheet reveals horsepower and torque gains throughout the powerband

The KraftWerks Fit kit pumps out an Impressive 164 whp and 132 lb/ft of torque at 10 psi for the first-generation (’07-’08) Honda Fit.  The KraftWerks kit come complete with an under-hood intercooler, cowl induction kit and Hondata engine management. KraftWerks supercharger system promises reliable, turn-key horsepower in both daily driving and track day performance.

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Honda L Series Engine Tuners | 🫡🫡🫡 | Facebook

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180+ whp

ITBS

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161whp

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L15Z2 with L12B3 piston

Custom CNC Camshaft

Close Ratio 3rd and 4th Gear"

& custom tune on stock ECU

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unknown whp but cool intake setup

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via Facebook

"

Fernando Sosa

October 2 at 1:23 PM · 

Here is the final whp chart from my L15A1 engine dyno run on a Mustang Dyno.

174whp @ 10 psi

Now the fun part; We did a little testing so on my 1st dyno runs we did it with the intercooler uncovered and hood opened also in 4th gear. The next run was done in 3rd gear and you can see that horsepower dropped from 173whp to 164whp, I believe this has to do with the speed compensation being used on the dyno software.

To me, the more important bit of information is that the horsepower dropped another 4% when the hood was closed, this means the intake is sucking in hot (less dense) air and can’t breath (flow) enough on the top end… and you can pretty much see it all along the boost curves (blue lines)."

174whp is about 210 CHP

supercharger utilized: https://motoiq.com/KraftWerks-Announces-Honda-Fit-High-Boost-Supercharger-Kit/?fbclid=IwY2xjawNRngBleHRuA2FlbQIxMABicmlkETFXVVoxTXVEUFB3TXVWaXFiAR6rrAlYRTzH_A_L-NaLNYMaas177HG0Ygn4obaf3PVxaF0T6rJup-hDVPu-WA_aem_WXrkmFFgGF-cmdwQpfWBQA