modded and tuned to run safely 390 on pump gas with a vf52. 130k miles
The main party piece of the TCR/Clubsport/R engine is the IHI IS38 turbocharger. It is optimised to keep building power higher up in the rev range, where the regular GTI's IS20 runs out of puff.
IHI high torque starter and some sort of heat shield.
My car has been pretty reliable with an IS38 if you take away the issues caused by me or shitty parts (spark plug break after running past interval / Shuenk's POS), or the HPA HPFP that shit the bed after going with ethanol.
I would suggest a ball bearing turbo like the vf52 and a protune. It makes it much more reliable and wakes the car up since it has the same engine and came as the sti, but a tiny sleeve bearing turbo that spools before the cam. I'm really happy with my vf52.
it was ~40kmi, no crack, no shaft play or other problems etc.
I got a new car a month ago that came with a IHI IS38. I got my tune from sneaky tuned and after about 2-3 pulls at 30psi the turbo popped. Spit the rear turbine out into the exhaust.
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The IHI brand is registered in Japan. Official website: https://www.ihi.co.jp .
In March 2026, PartReview recorded 7 reviews across 2 parts by IHI. Average rating — 4.0 out of 5.
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