This is the old original RB30DETT engine in my R32 GT-R a few years ago.
In this video it was running a 6500rpm limit as it was suffering from trigger issues and it was running twin Garrett 2871R -10 at 9psi. Dynoed at 450-460hp at the hubs which I was told was around 500hp at the flywheel.
Suffered from horrendous shuffle and eventually it dropped a valve seat which trashed the cylinder head, a piston, both turbos and scored the cylinder walls badly enough to need a 1mm overbore, new pistons and a head. Also changed to a big single turbo mainly to get rid of the shuffles !
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![](https://i.ytimg.com/vi/SjcIvszO_zI/maxresdefault.jpg)