what do the abreviations mean and i only have the car i dont have a break in bench? will that hurt my motor, i dont have the money to mess up a motor or parts to it?

WOT = Wide Open Throttle
HSN = High Speed Needle
LSN = Low Speed Needle
MSN = Middle Speed Needle

You can do it on the car with everything in place, but instead of the bench tank, do 3 tanks over the starting box, with a rich mixture at a throttle position that the engine doesn't exceed
200°F. Then do the 3 track tanks
For the Sirio the basic carb settings to start are:
HSN = 5.5 turns out
LSN = flush with the end of the slide
MSN = DON'T TOUCH THIS!!!!!

AFM

i think i can handle that!

so over the box means just let it idle off the ground, ill have to get some of that cabinet stuff that doesnt let the dishes slide around and put it on my box so my car doesnt fall off, my box is chrome plated on top and my car would vibe off.

which of the older sirios had that air leak problem cuz i see alot of them being sold for not alot of money?

Not exactly idle, but on throttle, enough to get the engine revin' at no more than 200°F and 2 stroking but with rich mixture.
AFM

Forget about the old Sirios, not enough power, and lots of problems with the 2 needle carb. Just stay with the new Evo's.
AFM

so i can set my trims high enough to spin the wheels a bit and let it run, checking the temp to keep it under 200 f , do i want to keep it near 200 though? i am a novice i have only broken in a .21 os rg, what is 2 stroking

Yes.
Keep temperature near 200, under 200 you are not breaking-in the engine, over 205 you are heating it to much at this ppint of initial run.
2 stroking is the condition in which the engine sounds clean, like if you were running, but at break-in period it is kinda like still heavy, spitting some oil through the pipe. Once it is broken-in, and you have settled your HSN for full power you'll notice the difference.
Try getting on to Trinity's web page, and under tips there is an article about tuning your engine correctly writen by J.Cyrul. Hope it is still there. Or try getting some help at the track by some of the experts, it is kinda difficult to explain over here what is 4 stroking and 2 stroking.
AFM

I have an old Sirio with the "bad" carb and I have never seen an engine as strong or fast.I thought the new ones have con rod problems.

Mark

I m temted to get the Sirio Evo 2, where can I get it online preferbly HK website. I ve had Sirio 12 TUPPRO AAC before but didn't like it, its just not fast enough compare to my Nova based engines. But I heard the EVO 2 is fast so I m temted to try it.

Q's is it AAC design or ABC?

they have both aac n abc

anyone running evo 2's yet, what has been your experience with the motor, good and bad

So which one is better AAC or ABC?

Well the AAC is faster but hi maintenance the ABC is the same speed with nova rossi.

does the evo2 come in a 5 port?

if not can it hange with a 5 port new novarossi?