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Hi All,
Today i have finally tried disabling a cylinder by removing the rocker on the exhaust valve of the cylinder and unplugging the fuel injector. I plugged up the oil passage by using a rocker from a wreckers which was cut in half so it is effectively a ring that just closes up the oil passage but doesn't activate the valve.
So after all this effort i tested it out. Some things i noticed are
Pros
- the car starts up without an issue (once i remembered to plug in the spark plugs).
- It can get up to speed without an issue
Cons
- The car lacks power and "chugs" up to speed which is not ideal.
- Higher revs are required before shifting up to a higher gear to avoid vibration
- it does sound a bit like a Harley, but its not too bad
From what i have seen it looks to me like this mod isn't worth it. For me the car is unpleasant to drive in with only 3 cylinders. I unfortunately couldn't measure the fuel usage because my fuel meter has broken recently however considering i had to increase the idle significantly and i need higher revs to change gears i would suspect the fuel efficiency improvement isn't great.
I am not sure how Accord guy has better performance when doing this same change, the only difference between our modifications is he has disabled the air inlet valves as well. I dont think the air inlet valves would make a difference but id be interested to know if someone disagrees with that.
So to sum up, i wouldn't recommend this (from what i have seen) for a 4 cylinder. For a 6 or 8 cylinder however this mod may be perfect.
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