porting company question

[2strokeman]

i recently purchased an atc cylinder because of the more agressive factory porting, it has also been ported by G-force racing, anyone know about this company? or if they are any good?

[CODY_M11]

I bought a axle off of a company called g force. Thought they only dealt with axles wheels and spacers though.

[2strokeman]

probably a small shop, looks like painfully carefull porting,we'll see, ita be a while before i use it, anyone got suggestions for a piston? im a wiseco man, but always open for suggestions. tried some NAMURA's in our banshee, IMPRESSIVE!! till the right one broke into a million pieces, but they made a noticeable amount of power over wiseco, they are made totally diff.

[jcs003]

worssner are said to be the best out there. i will try one next. my experience with the 250r is strictly a wiesco.

[Ruf Racing]

My son just got one, to put in a RM250. They sure are pretty! :D

Hochleistungskolben= High Speed Piston

http://i532.photobucket.com/albums/ee328/RideRed187/ATV%20Parts/WossnerPiston.jpg

Wossner’s are the best made piston kits available for a 250R; Big Bore piston kits are available up to 80MM.

Forged and made from Mahle High Silicone content; less expansion and more stable than Wiseco, Namura or Pro-X…

Carlos.

[machwon]

Search on G-force, give them a call and see if they can tell you what was done to your cylinder. For a stock cylinder I'd use a wiseco. Did the cylinder come with a modified cylinder head?

[2strokeman]

No head, and I only wanted it because it was ATC. Just always wanted to try one. I'm too old to race, we mostly just cruise back roads, law doesn't bother us around here, so overall performance is no big deal. I just have the money to play now like I've always dreamed of and we drag every now and again. Would like to at least keep up with my brothers tri-z! But it takes out banshee's, raptors, 450s, ANYTHING as long as its 150 feet or less, on dirt anyway.