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Coming from the other side the amount of s*** Chinese parts especially fuel parts like injectors and fuel pressure regulators is astounding and means we need to have a disclaimer for problems not arising from our work. Any tuner should stand by any work they do And parts they supply. The other problem we are getting more and more of is people are buying project unfinished cars that have had 3 different owners, Chinese whispers turns it from being a rb25de+t motor to a fully forged rb25 will head studs etc. Its not financially viable for us to pull off heads to check so if we are informed that an engine is forged we treat it that way. It also goes both ways, we have had many customers that try and drop car for tuning on 98 or npd100 then bringing it back a few weeks later down on power and surging etc on boost and we find 95 or even 91 in the tank because it was cheaper. This fuel grade clusse is in our contract but still gets ignored.

Frankly though, there are too many variables, and It would definitely be difficult getting their tuners to repair or replace a motor after blowing it up. Especially if they did not build that motor themselves or know the complete history of the vehicle. The vehicle was was originally fit for purpose, so a dyno tune is to make it more reliable? but if you are adding more timing, more fuel and more boost it has deviated from its original purpose and specification. This dyno tune was not intended to repair or fix a faulty vehicle. I'd just add that Soichi at ST-Hitec hated tuning cars built at other workshops, again because he didn't build it. He hated getting blamed when cars came unprepared or failed, because of poor workmanship or conditions. My own car was road-tuned, and then serviced and checked all over. before going on the dyno. In the end we only needed 2hours dyno time.

18x9.5 is fine this chassis. A bit too wide for drag maybe but certainly good for track. With the Michelin ps4 range, its pretty hard to make the car slide lol. So much grip its insane. Very confidence inspiring! Ps, i do have a set for sale 😉

This is what @Andy_Mac keeps talking about. Buy a new short block and swapping the pistons to forged ones at the same time. Sounds like a really good value option. hey @Naval what mods had been done to the motor?