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depends what you fish for I would get the strike master over the others but 8" is big if you are going after pan fish, my hand auger is 6" and gets the job done my power auger has a 7" blade but next year will purchase the 6" just my opinion.
I bought a Stikemaster Strike Lite and I really like it. It's quiet, starts right up and drills holes fast. The engine is made by Subaru.
The Robins (subaru) motor is very nice. I take mine in at night though. Starts second pull almost every time. I'm not thrilled with the cold weather starting and I've been playing with octane ratings. 92 (when you can find it) seems to fire off better. I haven't changed the plug in mine and have 500 holes easily. Blades are still rippin. But the price tag is steep. You can get a 2-stroke for $330. $200 left over ($530 for the strikelite now)...buys a lot of other toys you know.
One other thing I was going to say is to add some sea foam or stabil to the gas, this also helps out. I was at the St. Paul ice fishing show and I talked to the guy from Strikemaster. He said the gas is only good for about 45 days, this is why he recommended adding sea foam or stabil to the gas, he also said if you own a 2 stroke Tecumseh it's better to go with a 40:1 gas ratio, they run better on that. He also said to use a higher octane gas like your doing.
I think i'am going to purchase a power auger,looking at the strikemaster 8" any comments yea or nay? or does anyone have one to sale?
I use a 8" strikemaster lazer mag express for a power auger. 80:1 Amsoil mix with a shot of Sea foam ever now and then. I think that size is perfect for a power auger. Before the ice gets to thick I use a hand 5" s/m lazer auger. The vex is better with a larger hole.