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Old 03-26-2013, 06:41 PM   #1 (permalink)
renault_megane_dci
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la_voiture_de_courses - '03 Renault Megane Estate
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cylinder deactivation

In my quest to meet the best of both world (FE for cheap) I am contemplating an other axis then atkinsoning a bike engine (GPZ / EX).
I like the concept but :
A/ it needs to be a definite modification (to keep it cheap) and I like my power blast here and then
B/ it might not even match the FE of a regular 250 bike
C/ there are a number of unknown, most worrying of all is the functionality of carbs on a breathing back engine

The other option is to deactivate on the push of a button one of the cylinders of K7 and UP Suzuki SV.
K7 is because they are injected and I believe all is required is not to inject in one of the cylinders.

Then I end up with a 325 engine with a drag penalty.

It is also over geared for its capacity wich is a load booster (pumping losse minimizer)

Do you think it is a worthwhile idea ?

Do you think I need to have the throttle body of the dead cylinder fully open, fully closed or still linked with the live cylinder throttle ?

I believe it might return the same potential than an atkinson EX 500 but with the ability to have the full monty whenever needed.

The Suzuki SV is also a much nicer bike with a higher resale value.
Also, said mod does not need to make my hands dirty.

I can even go crazy and atkinson it (I believe 99 to 07 models have shorter camshaft than 07 to ? models) and add the cylinder deactivation on top of that !

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