JP

[Jeanepierre]

Hi. Im JP. Im from South Africa. Im in the dirt go kart seen now for 12y. Yes in SA everything is exspensive. So we try do do racing as cheap as possible but try to be the best as we can. I just want to know. Do u guys guts use a briggs 390 head on a honda or clone engine. I dont know ur classes. We have a 160 beginners. Then a 160 class. A full mod 270 class. Same for 300. A std 390 class for men and the same for woman. Then a 390 mod class. After that a 425 class. With the 300 and 460 midgets. Yes and a open class where older as 40 van run any engine ecept 2stroke. Most racers use 425 or 680 2 culder honda or torx motors

 

[Denny]

Welcome!

 

[Jeanepierre]

Why im asking. I use a gx 390 block. 66 crank. Arc rod masjined for a 90.5mm briggs piston. 308 cam. No balance crank. Still a blance shaft but masjined. A briggs head. Welded combustion chamber. 39mm intake valve and 34 exhaust valve. Std briggs aliminium rockers. Briggs pushrods. Arc flywheel. Timing at 30° on racing fuel.[102 afgas. Only fuel thas aloud]. I rev it to 10 000rpm.

 

[Jeanepierre]

Welcome!

Tx

 

[landuse]

Welcome to the forum. I am from SA too. There should be someone on here that can give you some help. Sometimes it takes a while for everyone to see the new posts

 

[BaconBitRacing]

If @anderkart comes around he should be able to answer your question. He is the most knowledgeable on racing here. Most of the rest of us are hacks that make things go. Welcome!

 

[anderkart]

I cant answer your question, but I'd suggest you post it at the 'Bob's 4 cycle Karting' forum. They specialize in oval kart racing.

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