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Home > Mitsubishi > Sigma > 1979 > Fabio Caris's Mitsubishi Sigma

Vehicle Owner

Member ID: badsigma

Location: Ballarat, Unknown

Vehicle Info

1979 Mitsubishi Sigma

Bragging Rights

  • 1/4 Mile16 sec @ 86 mph
  • 0-608.8 sec
  • Top Speed129 mph
  • HP150
  • Weight1096 lbs

Major Upgrades

  • port and polish
  • bore-increase
  • stroke-increase
  • engine swap

Ratings

    • Currently 3/5 Stars.
    • Currently 3/5 Stars.
    • Currently 3/5 Stars.
    • Currently 3/5 Stars.
    • Currently 3/5 Stars.
    • Currently 2/5 Stars.

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Poll

Question: Which engine should I put in my Sigma?

Last updated: Dec 01, 2006

Hits: 13,491

Fabio Caris’s Mitsubishi Sigma:
“Bad Sigma”

  • Currently 3/5 Stars.
16 guestbook comments

Engine pics. Original drive train was an Astron I 2.0 4 cylinder (78kw), 3 speed auto box. New engine is out of a 1996 TR Magna. It's an Astron III 2.6 4 cylinder (at least 105kw at the moment), 5 speed manual gearbox. The Astron III has the same block as the Astron II, but with a much better head. The rocker cover is now out of a GK Scorpion.

badsigma's 1979 Mitsubishi Sigma Ballarat, UN Customized with Custom Engine Comps., Custom Transmission, Custom Intake, Custom Springs, Custom Shocks, Custom Wheels, Custom Pedals, Custom Gauges, Custom Lighting, VDO Tweeters, Crimestopper Security, VDO Speakers, VDO Subwoofers, SPL Wiring, Custom Header, Custom Sub Enclosure, Sparco Steering Wheel, Custom Shift Knob, Custom Body Kit, Bosch Ignition, Custom Exhaust, Custom Brakes, Dunlop Tires, JVC Head Unit - 3

Original 2.0 engine.

badsigma's 1979 Mitsubishi Sigma Ballarat, UN Customized with Custom Engine Comps., Custom Transmission, Custom Intake, Custom Springs, Custom Shocks, Custom Wheels, Custom Pedals, Custom Gauges, Custom Lighting, VDO Tweeters, Crimestopper Security, VDO Speakers, VDO Subwoofers, SPL Wiring, Custom Header, Custom Sub Enclosure, Sparco Steering Wheel, Custom Shift Knob, Custom Body Kit, Bosch Ignition, Custom Exhaust, Custom Brakes, Dunlop Tires, JVC Head Unit - 15

Ready for engine transplant.

badsigma's 1979 Mitsubishi Sigma Ballarat, UN Customized with Custom Engine Comps., Custom Transmission, Custom Intake, Custom Springs, Custom Shocks, Custom Wheels, Custom Pedals, Custom Gauges, Custom Lighting, VDO Tweeters, Crimestopper Security, VDO Speakers, VDO Subwoofers, SPL Wiring, Custom Header, Custom Sub Enclosure, Sparco Steering Wheel, Custom Shift Knob, Custom Body Kit, Bosch Ignition, Custom Exhaust, Custom Brakes, Dunlop Tires, JVC Head Unit - 16

New engine...

badsigma's 1979 Mitsubishi Sigma Ballarat, UN Customized with Custom Engine Comps., Custom Transmission, Custom Intake, Custom Springs, Custom Shocks, Custom Wheels, Custom Pedals, Custom Gauges, Custom Lighting, VDO Tweeters, Crimestopper Security, VDO Speakers, VDO Subwoofers, SPL Wiring, Custom Header, Custom Sub Enclosure, Sparco Steering Wheel, Custom Shift Knob, Custom Body Kit, Bosch Ignition, Custom Exhaust, Custom Brakes, Dunlop Tires, JVC Head Unit - 17

New engine again, all shinny and pretty :)

badsigma's 1979 Mitsubishi Sigma Ballarat, UN Customized with Custom Engine Comps., Custom Transmission, Custom Intake, Custom Springs, Custom Shocks, Custom Wheels, Custom Pedals, Custom Gauges, Custom Lighting, VDO Tweeters, Crimestopper Security, VDO Speakers, VDO Subwoofers, SPL Wiring, Custom Header, Custom Sub Enclosure, Sparco Steering Wheel, Custom Shift Knob, Custom Body Kit, Bosch Ignition, Custom Exhaust, Custom Brakes, Dunlop Tires, JVC Head Unit - 18

New engine has roller rockers and large valves from factory...

December 2004: head had to be changed because the timming chain was too loose and it jumped a few teeth on the timming gears, causing valves to touch pistons and breaking a few things on the valve-train... A new reco'ed temporary head was sourced out of a GN Astron II 2.6 and new timming chain also fitted. I also removed the balance-shafts while I was at it with a balance-shaft removal kit. Result is more power at the wheels and a free reving engine. Downside is a tiny little more vibration between 3500 and 4000rpm.

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Vehicle Owner

Member ID: badsigma

Location: Ballarat, Unknown