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Yeh, the more i think about it, there arent really any secrets for gettingt oo big a turbo / s on boost. If they are too big then they are too big. ITs different if they are line ball, then maybe plenums, better exhaust, some cam selection will help. But twin 2530s are pretty big for a 2.4L. At best i would think GT-SS, but then that will limit you to less then what a TD06-25G or a 3037 can punch out.

Its going to be cool and interesting to see the results

  • 4 weeks later...
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  • 1 month later...

Roy,

Nah the plenum came with a set of adapters to allow the rb26 rail to match up with the rb20 mounts.

In regards to updates..... Intake manifold is on the engine, Front turbo manifold is bolted up rear manifold pulled a stuf out of the water gallery and i'm trying to fix this up now.

I've been trying to get ahold of Paul for the past fortnight to get this sorted.

Cheers.

  • 2 weeks later...

I always thought that the exhaust manifold pattern were different from RB26 to RB20?!? But it looks like you have stock RB26 manifold on there?

Looking great, just to give you some encouragement there is a RB24 over here in the west making a decent 500 plus on BP98 :)

So the head was drilled out and tapped, because I can't see any cut/welding on the manifold!

Sir, You would be correct... But for anyone doing this be-warned there is a water gallery behind both the different studs when using a rb26 manifold on a rb20det head

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