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Originally Posted by leviathan18
everyone is doing R&D for the k20z3 but not for the r18  |
I'm trying to find information for you guys that have the R18, but it's scarce at best. I haven't found any pictures or anybody who's actually torn into the block yet, mostly because of its header design (or lack thereof) and the presence of the K20z3. It's going to take time, IF that. People may not even delve into that block, at least not until the K20z3 hype dies down. You may find one or two companies willing to make products for it, but the demand for it won't be high, that much I can guarantee.
As far as MAF sensors go, whenever I've seen a turbo kit for GTI's and such, the kit came with a MAF tunnel that was wider to accomodate the increased airflow. The MAF itself adjusts to the increase in air to determine the A/F, but like Gone said, I believe it's a combination of the MAF and MAP that seems to be the problem. Hondata is trying to crack it, and for the most part they have, but the Si's ECU is completely different from any of the other K-series ECU's. As I've shown the engine is not exactly the same as the RSX-S's. I think it's a bit of a compromise between the RSX-S and the TSX's. It uses a K24a2 head with the water port. There are some similarities, like cams and such and those are inter-swappable, but other things, like the clutch are slightly different.