Improving acceleration to better meet the XO location(performance wise) of where it was when pulled off the show room floor would be to replace the spring in the diverter valve to an alta higher tension spring*
Blow Off Valve Spring Upgrade
Also to install a Bung on the fuel return line in the valve cover. For more direct recycling of the PVC fuel,air,oil mixture back into the engine. As this bung is a genuine Mini cooper bung. Only one is required as to why they sell them in a pair I would guess is because they are plastic at this point.
Blind Plug - Set Of 2
The spring recommendation is for turbo charger only applications.
and all of my recommendations are focused on 2nd generation Mini Coopers.
All around for any Mini Cooper or any car it is good to use
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on anything that has a O ring or a gasket that is shaped into a plastic type component as it creates a hermetic seal.
*Reason is when the car is driving in a turbo charged Mini Cooper the throttle becomes deadened with the regular spring over time and the inconsistent behavior of the throttle action and performance when dealing with a old stock spring is suggests it is also over gasing the crankcase and valve cover with PVC gases, resulting in oily spark plugs and inconsistent gases from the PVC in the combustion chamber.
Blow Off Valve Spring Upgrade
Also to install a Bung on the fuel return line in the valve cover. For more direct recycling of the PVC fuel,air,oil mixture back into the engine. As this bung is a genuine Mini cooper bung. Only one is required as to why they sell them in a pair I would guess is because they are plastic at this point.
Blind Plug - Set Of 2
The spring recommendation is for turbo charger only applications.
and all of my recommendations are focused on 2nd generation Mini Coopers.
All around for any Mini Cooper or any car it is good to use
O-Ring Silicone Grease | Super Lube
Using Super Lube Silicone Grease during installation helps protect an O-Ring from damage by abrasion, pinching, or cutting. View our O-Ring Silicone Grease selection.
*Reason is when the car is driving in a turbo charged Mini Cooper the throttle becomes deadened with the regular spring over time and the inconsistent behavior of the throttle action and performance when dealing with a old stock spring is suggests it is also over gasing the crankcase and valve cover with PVC gases, resulting in oily spark plugs and inconsistent gases from the PVC in the combustion chamber.
