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let us know if you do. a mate has the equipment and ability to do some pritty sick stuff and he would love a design so he can make me and other RB powered friends some.

his idea at the moment is to cut the inlet manifold off aprox half way and weld the new plenum box on (cut holes in a flat plate). rather than making a thicker plate with tapped holes to bolt onto the inlet manifold (would be harder and have to be more exact).

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Holy crap you got that done at prosport(grant)...geez he built my engine, never thought to ask him about custom plenum...what did he charge for that,looks great. he is pretty damn good with his prices. Quoted me $695 for tuned length exhaust manifold. My mate got his engine built there and it's never missed a beat and he has flogged the absolute crap out of it!!

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