Go-Tech Engines Thread
#2125
Hello to all - Some of you may recall I had a problem with my 5 Port Turbo blowing plugs all the time. Problem now solved, and I just wanted to post this so anyone reading the previous threads would know that this problem was in no way anything to do with the engine, but was my bad tuning (newbie, but learning fast
).
With some sound advice and help from RETRO RC (Adrian) the mystery was solved. I had fallen into the common mistake made by people new to these engines of having the idle gap set too wide, and running with a way too rich bottom end (1.5 turns !!) and a lean top end (1.25 turns !!). Believe it or not the engine ran pretty good, but got hotter as I progressed through the tank of fuel. Part of the problem was trying to tune the engine at home without enough space to run at high revs and set the top end properly first. So my tuning will be done at the track on race days from now on
I thought both my 5 Ports went well before, but now they are running to their true potential they are really awesome
Thanks Adrian.
So to anyone else new out there. If your engine has an erratic idle, comes in idling fast and then suddenly drops revs, runs ok but gets to hot at the end of a tank - check your idle gap and LSN settings. Set the idle gap to around .7 mm (barely open). Tune the top end for good power with plenty of smoke. Then set LSN for a smooth idle with no sudden drop in revs and a good smooth take off after sitting for 10 secs or so. Finally adjust idle if necessary.
).With some sound advice and help from RETRO RC (Adrian) the mystery was solved. I had fallen into the common mistake made by people new to these engines of having the idle gap set too wide, and running with a way too rich bottom end (1.5 turns !!) and a lean top end (1.25 turns !!). Believe it or not the engine ran pretty good, but got hotter as I progressed through the tank of fuel. Part of the problem was trying to tune the engine at home without enough space to run at high revs and set the top end properly first. So my tuning will be done at the track on race days from now on
I thought both my 5 Ports went well before, but now they are running to their true potential they are really awesome
Thanks Adrian.So to anyone else new out there. If your engine has an erratic idle, comes in idling fast and then suddenly drops revs, runs ok but gets to hot at the end of a tank - check your idle gap and LSN settings. Set the idle gap to around .7 mm (barely open). Tune the top end for good power with plenty of smoke. Then set LSN for a smooth idle with no sudden drop in revs and a good smooth take off after sitting for 10 secs or so. Finally adjust idle if necessary.
#2126
thanks mugen, the sleeve comes out fine, put the piston at bdc and the sleeve comes right out, im not sure why the conrod wont come out, im not forcing it in anyway it slids to about 75% off and the piston hits the block so i fear it may be more than just a sleeve. anyway if you could give russell a heads up on whats going on i would appreciate it. i dont expect a main to call back anytime today.
#2127

Also Grizz1,
nice to hear you happy with the new tune, there is probably more we could get out of them just didn't wan't to make them too insane for you just yet

happy to help anytime
Adrian
#2130
Tech Initiate
Joined: Jul 2007
Posts: 43
hi,
i have return from six month break from racing.
i have noticed that there is new 3 port race engine.
how does it compare to the 7 port (power, power band, runtime) and how does it compare to the other manufacturers top of the line engines?
i have return from six month break from racing.
i have noticed that there is new 3 port race engine.
how does it compare to the 7 port (power, power band, runtime) and how does it compare to the other manufacturers top of the line engines?
Last edited by dotan23; 04-02-2008 at 01:15 AM.



2Likes
it's Jason Halvarson lol





