2.6L G54b Turbo Swap Tech

[engiekev]

Starting this thread as a resource for G54B turbocharger installation onto a stock 2.6L Gen 1, focusing on directly swapping over turbo TBI G54B parts for a "low boost" build.  A high boost forged bottom end, port injection manifold, etc. would be the ticket, but this is a budget build list.

Please post any info, tips, or issues you ran into the way during a turbo install. Will update this first post as info comes in!

Tech Info

G54B Differences

Montero 2.6L
CR 8.8:1

Starion 2.6L G54b
CR 7.0:1
Bottom-End rods/pistons
Oil Squirters
Forged Crankshaft

Parts List


Required
Turbocharger
Turbo oil supply line
Turbo oil drain line
Turbo outlet pipe
Downpipe
Exhaust Manifold
Intake Manifold
Throttle Body
Intake pipe
Injectors
MAF
ECU
Wiring harness


Optional
Intercooler
Intercooler Piping
Magna Intake Manifold


Links

4x4 Wire Tech
http://www.4x4wire.com/mitsubishi/tech/turbo_monty/

[RXIN HED]

Starion block also has oil squirters to cool the bottoms of the piston, forged crank rather than cast.

Mike Tierle in Canada (eh) has done all the necessary leg work on parts, runs a real clean rig with turbo on the NA bottom end.

[JohnnyBfromPeoria]

Add to the first post: "Spark Box"

Note that the 88-89 is considered the 'premium' set-up, and preferred donor car due to the most advanced the electronics were developed. 87 is second.

The turbo downpipe alternative is available aftermarket and is much less restrictive. The stock one uses, basically, a near-90-degree bend at the turbo outlet into the downpipe.

John B.

[MudRaider]

Another thing that I've heard ( haven't researched it part wise) is that the 89 Star/Quest has a larger clutch setup compared to the earlier cars, snd bigger than the Montero. Can anyone confirm or deny this one?

[RXIN HED]

Centerforce indicates a larger disc for the Starion compared to the truck. See attachment: