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Hi guys,
I've just bought a new RRC manifold and a Hybrid Racing 70mm throttle body. I've taken both to a machine shop to bore out the manifold, however they have only gone about 30mm in because they were worried about going through the casting. This is fine but it has left a large Step that will cause turbulence, is it safe to just go straight through 70mm wide?
I've just bought a new RRC manifold and a Hybrid Racing 70mm throttle body. I've taken both to a machine shop to bore out the manifold, however they have only gone about 30mm in because they were worried about going through the casting. This is fine but it has left a large Step that will cause turbulence, is it safe to just go straight through 70mm wide?