UK Karting - Notice Board (4-Stroke Karting) : Too much compression?

Notice Board (4-Stroke Karting)

Too much compression?
Posted by 'sciroccokarter' on 05 Jan 2010 @ 20:29

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sciroccokarterJoined: December 2008
Total Posts: 1
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I have a GX200 engine, and today I tried fitting a ported and milled GX160 head to really up the compression. I fitted a ARC billet rod, as the standard rod probably wouldn't take the additional pressure under load.

The problem I found was that I hadn't got the strength to start the thing with the pull start! Even if I used two head gaskets. I was just wondering if anyone else had experienced this? I put the original head back on and it was fine, I also tried a 160 head, which was a little harder to start than the ported and milled one, but not significantly.

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Too much compression? by 'sciroccokarter' << You are here!

Re: Too much compression? by 'Jeff Johnson' (05 Jan 2010 @ 21:15)

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