R/C Tech Forums - Go-Tech Engines Thread

Get rid of the .2mm shim. It's a break-in shim, and is only meant to be used for break-in to ease up on the compression (first 12 - 15 tanks).

Running it will be decreasing the compression ratio of the motor.
These motors have a reasonably low compression ratio compared to some others to start with, so you will be losing a lot of power and punch - especially running like this in conjunction with using 25% fuel.

If you want peak performance with reliability and a reasonable tuning window - run the stock factory .5mm shim stack, and run 30% fuel.
These motors love the higher nitro percentage, as it effectively raises the compression ratio, and they really perform.
The .5mm factory shimming is suitable for up to 30% fuel - you don't need to change anything (just get rid of that extra break-in shim).

I took off the .2 shim n run 25%/9% byron. My udp 4port n 5port go become beast. The idle n tuning become better. Drastic temperature drop n crazy power. Will the fuel give enuff protection for engine, is it suitable to use for break in?

grizz1

06-28-2014 02:01 PM

Quote:

Originally Posted by cczjordan (Post 13366177)

Glad it's working for you :)

Byrons 25/9 is a good fuel. Fine for run-in, as your running a little rich anyway.
If your not happy, get some Byrons 25/11 and use that for run-in only.

If you want even more performance, just move up to Byrons 30/9. The Taiwanese engines do like the 30%.

22Racer

06-29-2014 03:06 PM

I got some of the Cera engines in, I believe these never made production but very nice. I have them listed on my site.

http://i424.photobucket.com/albums/p...r/IMG_2743.jpg
http://i424.photobucket.com/albums/p...r/IMG_2728.jpg
http://i424.photobucket.com/albums/p...r/IMG_2736.jpg

invrtd

06-30-2014 10:22 AM

Just picked up a GXII plus. Took pics of the internals compared to my original GXII. The biggest thing I noticed was intake port is much larger on sleeve on newer motor. I will post picks later.

cczjordan

07-02-2014 07:58 AM

Is ARGUS T3 PLUG compatible with GO motor, I'm out of go and os plug

stadiumangt

07-02-2014 08:05 AM

Quote:

Originally Posted by 22Racer (Post 13368607)

have you done any testing? I would, seeing as how these hit the market, and a few made it overseas, then they were pulled...

cczjordan

07-02-2014 05:36 PM

Anyone try to put Novarossi carb 24069 into go enjine, my go carb hsn was loose n will lose tune when running

22Racer

07-02-2014 06:32 PM

Quote:

Originally Posted by cczjordan (Post 13374936)

Is ARGUS T3 PLUG compatible with GO motor, I'm out of go and os plug

Yes

22Racer

07-02-2014 06:35 PM

Quote:

Originally Posted by stadiumangt (Post 13374950)

have you done any testing? I would, seeing as how these hit the market, and a few made it overseas, then they were pulled...

They were pulled for marketing reasons not because they didn't work out. Maybe Arrow distributors complained, I have no idea why they pulled it. They have been making the Arrow for quite a while so I know it will run well.

Rex

cczjordan

07-05-2014 05:07 AM

Quote:

Originally Posted by stadiumangt (Post 13374950)

have you done any testing? I would, seeing as how these hit the market, and a few made it overseas, then they were pulled...

Is this enjine totally same as ARROW GTR PLUS? If so the arrow 2103 pipe will be good. Just purchase a unit, guess will get it in a month

invrtd

07-05-2014 07:04 AM

Have about half gallon thru my gxii plus. Taking it okay the track today to see how she does on the dirt. Engine is still tight, so I am sure it will be another 1/4 gallon until it fully breaks in. Just have to learn the tuning techniques with long low speed needle. I ave an original gxii gho with 3 needle carb. I will try the 2 needle carb first to give it a shot. Did run a few tanks in the street to get a basic tune on the engine. I live at 3500 feet. Will be heading to THUNDER ALLLEY close to sea level so I am sure I will need to richer the needles a hair.

cczjordan

07-05-2014 07:26 PM

Any info for cera engine? Is the venturi compatible to GO CARB? What is the expected performance?

cczjordan

07-05-2014 07:29 PM

Quote:

Originally Posted by cczjordan (Post 13376024)

Anyone try to put Novarossi carb 24069 into go enjine, my go carb hsn was loose n will lose tune when running

It works n recommended. Easier to tune. But need to factory settings the carb before start your engine. Might need to richen the hsn

22Racer

07-05-2014 08:10 PM

I am not a fan of how the new Nova carbs tune. I do like the 3 needle Go/Arrow/Cera carb, with the needle settings like posted above they run very well.

Rex

cczjordan

07-05-2014 08:41 PM

Quote:

Originally Posted by 22Racer (Post 13381869)

I am not a fan of how the new Nova carbs tune. I do like the 3 needle Go/Arrow/Cera carb, with the needle settings like posted above they run very well.

Rex

Had u ran the cera engine? Is it good. I saw in ebay like usd140

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