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Ah, that was not the answer I was hoping for. Is it only third gear that is the weak spot? Or do you have to change the whole gearset to make it hold some power? -
You're already well into "gearbox is a consumable" territory there. A billet plate will either make it (effectively) 1% stronbger or make it last one more pass. At some point you'll probably tear 3rd gear into small chunks and regret all the life decisions that came before it. -
..and forum.r31skylineclub has been down all week....anyone know why? -
I thought it could be an issue because the standard plate was flexing when stressed. Maybe the original gear set will hold a bit better without flex? Last time on the dyno it made around 670nm at the hubs. Now it have bigger turbo and better intake but have not been on a dyno yet. The car is being used from family trips to drag race events. So the shifts can be a little violent. It is grinding if I shift to fast so was thinking I should overhaul it soon.
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By joshuaho96 · Posted
From the factory on RB26s there's a fitting on the intake manifold collector/"plenum" that provides pre-throttle boost signal. That's how they did it back in the day, I figure it's fine to replicate it.
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