Early Mpi Cooper S Conversion Inlet Manifolds
Posted 07 June 2019 - 10:14 PM
But the early kits came with a modified inlet manifold, I think it involved some minor grinding back of a radius inside and stamping some letters somewhere on the outside. Anyone know what it was they done?
I know that there was a modification sometimes done to throttle bodies to allow the butterfly to fully open - they just ground the end stop back a bit.
Was there any other differences apart from the air filter?
Posted 08 June 2019 - 06:39 AM
The mod to the throttle body was, as you say quite simply the removal of the restrictor that stopped the butterfly from opening up fully, I also have one of those somewhere. I’m not convinced this mod produced any additional power though
Edited by Fast Ivan, 08 June 2019 - 06:49 AM.
Posted 09 June 2019 - 03:55 PM
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