ported chainsaw

Just ported, deleted base gasket, and MM'd my Dolmar 460. Inlet and exhaust ports were widened side to side but not raised or lowered and intake ports were flowed but not enlarged. Power gains at WOT in wood are great its just been finicky on start up, revving and while idling. It 4-strokes...

I’m sure this has been discussed, but I’m new and can’t find answers and would like some help. Does anyone know of any reputable businesses that will port an older saw? It’s time to rebuild my 288XP, so I’d like to have it ported also. Not interested in buying a new saw. Any suggestions? Thanks...

Mastermind MS660 For Sale. Comes with either the stock felling Dawgs or the 4 Point Pro Safeties pictured. I like this Saw, but I don’t need 4- 90cc saws so this one is for sale. $900PHO + Shipping I’ve got a few bars & chains I can add if so desired.

https://www.youtube.com/edit?o=U&video_id=py1VC11iT8g For sale is an excellent Husqvarna 372 x-torque. This machine is in great shape. The piston and cylinder are OEM. We ported and polished the cylinder so it is a real screamer. It will come with the large felling spikes, 20 bar and 3/8...