2009 Yaris engine swap - Toyota Yaris Forums

CrankyOldMan · 09-09-2021, 09:33 PM

The gearbox input shaft spline is common to almost all of the Toyota transaxles. The axle splines of the Yaris probably aren't compatible but you might be able to use Scion xD axles since they use a larger differential.

The bigger issue is that the 1ZZ requires an awful lot of fabrication to make it fit. The engine mounts are different, the ECU doesn't have the same connectors, the intake and exhaust manifolds are different, etc. etc. It's been done but you'd be blazing the trail yourself at this point.

The 2ZR is about as simple as it gets for a 1.8L swap, lots of well documented examples around here. Not as much aftermarket support as the 1ZZ/2ZZ engines but dead simple by comparison.

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09-09-2021, 09:33 PM	#2
CrankyOldMan 2ZR swap. DO IT! Ask how! View User's Garage Drives: 09 Meteoric Metallic HB Join Date: Feb 2011 Location: West Michigan Posts: 2,333	The gearbox input shaft spline is common to almost all of the Toyota transaxles. The axle splines of the Yaris probably aren't compatible but you might be able to use Scion xD axles since they use a larger differential. The bigger issue is that the 1ZZ requires an awful lot of fabrication to make it fit. The engine mounts are different, the ECU doesn't have the same connectors, the intake and exhaust manifolds are different, etc. etc. It's been done but you'd be blazing the trail yourself at this point. The 2ZR is about as simple as it gets for a 1.8L swap, lots of well documented examples around here. Not as much aftermarket support as the 1ZZ/2ZZ engines but dead simple by comparison.