how to port a plastic intake manifold

TPIS and Lingenfelter sell a Whether you have a street car looking forsome extra grunt, or a dedicated race car that requires extreme modifications for fitment and efficiency, we can take care of you. A billet aftermarket TB may not require such a harness.

Yes I know what you did, just having trouble picturing how you did it. One feature I didn't like about the modern engine design was the Siamese intake runners where cylinders 1&2, 3&4, and 5&6 shared ports in the head and intake manifold runners. The vacuum pressure pulse actually sucks the residue of the exhaust from the cylinder and sucks a bit of intake charge form the intake port, effectively supercharging the cylinder with more gas. Is it safe to soak it with a mix of water and dishwasher overnight?