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Search: Posts Made By: 1QwkSport2.5r
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02-16-2014, 07:46 AM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

The trick with nickel is diamond files. After...

The trick with nickel is diamond files. After grinding the ports, the plating on the inside needs to be ever so slightly beveled with the finest file you can find so the piston doesn't catch it. ...
02-16-2014, 04:00 AM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

He is not all he is cracked up to be. His...

He is not all he is cracked up to be. His claims are pretty big, his "engine guy" does some pretty crude dremel work. Don't expect a race engine type performance from his mods.
02-15-2014, 07:39 PM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

In your words, "it was pretty blubbery rich and...

In your words, "it was pretty blubbery rich and quit before I got it into a semi smooth 2-stroke". That tells me you didn't have it peaked for one, and for two GloBee tach's are known for being...
02-14-2014, 10:50 AM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

Globee tachometers are not real reliable. ...

Globee tachometers are not real reliable. Blubbery rich on a 9x8 should put you closer to 14k if even that.
02-08-2014, 05:04 PM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

The chromed liner engines will outperform the...

The chromed liner engines will outperform the nickel liner engines if both are timed the same and have similar compression ratios. The chromed liners almost always have more taper and thus a better...
02-08-2014, 07:01 AM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

I'm surprised he'd suggest a 9x8 or 10x6 for that...

I'm surprised he'd suggest a 9x8 or 10x6 for that engine with his muffler because the engine likely won't get on the pipe with either of those. Bob Brassel is the support tech here on RCU and he...
02-07-2014, 06:46 PM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

That sounds about right... I think I was hitting...

That sounds about right... I think I was hitting right around 16,000rpm on a 9.5x7 pylon prop cut down to 9.25x7 (APC) on 10% nitro. I usually use 5% nitro except in the faster engines... ...
02-07-2014, 11:11 AM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

The TT has a smaller carb on it (.270") but if...

The TT has a smaller carb on it (.270") but if bored out to .325" or so you can gain 1,000rpm. I don't know any specs on the 46nx but I agree they shouldn't be too different. The Evo is true ABC...
02-07-2014, 04:25 AM
Replies: 40
Views: 3,288
Posted By 1QwkSport2.5r

I've gotten 16,600rpm using a TT Pro .46 and...

I've gotten 16,600rpm using a TT Pro .46 and Jettstream muffler on a 9x7 APC prop, so If the Evo 46nx can get up to at least 15,500rpm on a 9x7, you're golden. I've been told the red Jett mufflers...
Showing results 1 to 9 of 9


 
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