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megane heads have different inlet port shapes so you would need to fabricate a new manifold that would fit both the head and the valver throttle body.
It runs a distributorless setup so you would need to modify the blanked off part of the ehaust cam, machine teh drive bezel and cam carrier...
Speedo information for the computer.
Behind the dash where the speedo cable plugs in is the hall sender....wiggle it. It may cure it, or you may need to replace it.
CAn you hold the rpm at a steady 2000rpm spot on?
Does it fluctuate when moving and the clutch is dipped and your coasting?
Dunno where that came from
The point of the megane head is that the port design is better for all round drivability and until you start getting into the 300bhp bracket. BUt the problem is that the head requires a fair few things modified to run.
But gasflowing the head is a good idea, and...
Higher octane fuels dont burn slower, or faster or hotter, they go through pre flame changes slower than a lwoer octane fuel, and in laymands terms, they dont burn as violently......less energy.
BUT, the increase advance you can run starts the burn earlier, allowing you to get to the...
Sure there is, the states has commercially available 120 RON fuel.
And Ron stands for RESEARCH OCTANE NUMBER and is the test fuel relative ratio to the iso octane and heptane mix used to calculate RON.
RON is a low speed test and MON a high speed test.....so i dont know why we use RON anyway.
uprated clutch kits cost a bit of a fortune when your looking at fancy names.
But you can usually get away with std covers and uprated plates which can cost as little as 40-80 quid.