Replace 3: EV Conversion at 90%

April 21, 2024

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Hey, it’s been a couple of months since my final replace, so I believed I might share a number of the wonderful progress we’ve got remodeled the previous three months. To start out with, the electrical motor and batteries are in. It’s been fairly a course of, and as you’ll be able to see above the automobile drives.

We acquired right here through a collection of latest installations, additions, updates, and enhancements: The important thing put in parts embrace the motor, batteries, software program, gauges, transmission, and cost port.

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Let’s begin with the Fellten motor: 440 HP of EV energy:

A greater angle from beneath reveals the dimensions of this monster motor relative to the chassis:

A few of the wiring connections (Orange brackets) and Cooling (Orange Tubes) able to be hooked up and put in:

Reverse view:

Fellten package gauges, which actually match the unique OE look. It’s spectacular, a mixture of analog and digital shows.

From left to proper the brand new gauges learn:

EV Battery and Motor Temperature – displays temps for the EV battery and motor/inverter. The VCU is monitoring temperatures and turning on pumps and followers to maintain issues cool. The VCU and BMS will cut back energy earlier than overheating.

EV Battery Degree Share – Gas meter: How a lot cost is left within the EV battery

Kilowatts – Throttle up! kW gauge monitor will increase in present, and braking reveals regen in motion.

Speedometer – Miles per hour

12V Battery Share and EV Battery Voltage – 12V battery contains regular automobile objects (Wipers, Radio, and so forth.)

All the gauge cluster may be very per the unique Eighties-era 911s.

Transmission: I needed to maintain the unique stickshift, regardless of solely having one ahead gear. So right here it’s, Park, Impartial, Reverse, and Drive:

In fact, I needed to make use of the unique fuel filler because the cost port:

The most important adjustments haven’t solely taken this from 210 HP to 440 HP but additionally shifted the burden distribution from the normal Porsche 39/61 entrance/rear to one thing a lot nearer to 50/50, and with a decrease heart of gravity.

Plenty of little tweaks nonetheless left to do, together with updating the suspension so the automobile can handle the additional 300 kilos of battery weight. Mapping the software program and optimizing it for this automobile can also be going to take some work, The fellows at Second Motors have been nice.

I ponder if I can discover some fatter rubber to assist handle the additional weight and HP…

Beforehand:
Replace 2: Porsche 911 EV Conversion (February 4, 2024)

Replace: Electrifying A Traditional 911 (Might 21, 2023)

Electrifying Traditional Vehicles (September 4, 2022)

1983 Porsche 911SC Coupe – EV? (September 16, 2022)

1988 M491 Porsche 911 Cabrio (January 21, 2024)

Extra random images: