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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC 1/8th Scale Buggies >> RE: Official Thread for the Go 21 Engine
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RE: Official Thread for the Go 21 Engine - 5/12/2008 7:27 PM   
Tree1


 

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RE: Official Thread for the Go 21 Engine - 5/12/2008 10:54 PM   
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Status: offline 		or the "GO" 2047 the 053 is pretty cheep though....

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RE: Official Thread for the Go 21 Engine - 5/17/2008 3:08 AM   
JSRacer


 

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Status: offline 		Hey guys, the OS P6 should be fine for the turbo 7 port right? It was the only hot plug the LHS had. It fits fine correct?

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RE: Official Thread for the Go 21 Engine - 5/17/2008 6:29 AM   
Tree1


 

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RE: Official Thread for the Go 21 Engine - 5/17/2008 2:55 PM   
ecocav04


 

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Status: offline 		Well ill add my input ive had best luck tuning the 5 port turbo engine with the bottom end needle to get it in the ballpark i set the high end needle flush and tune the bottom end and give and take a bit out of the top and i get a perfect tune with temps around 230-250 ive been running it in my buggy and its a little too much on the bottom so im looking to go to the 7 port turbo for buggy and putting the 5 port in my truggy

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RE: Official Thread for the Go 21 Engine - 5/17/2008 5:07 PM   
Safety Hawk


 

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Status: offline 		You could pop a carb reducer in their to calm things down a bit.

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RE: Official Thread for the Go 21 Engine - 5/18/2008 4:49 AM   
JSRacer


 

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Status: offline 		Well, I put around 10 tanks through the 7 port today and a buddy has around 20 tanks through his and we're having identical problems. When we began to lean a little for a better tune we saw temps jump up around 300 degrees F! We then tried to fatten them up and find that we can get temps down around 230-240 but they run like crap. Way too rich. We both have years of expericence and have broken in many many engines and we're both stumped. I know they are tight, very tight engine but wow! Is this a common experience with GO engines? I've never had an engine want to run so hot. I'm not diggin' the high temps. I'm wondering if we both got a batch of the "bad carb" engines. My serial number is US0000624, and his is only about 6 down the line from mine. They have composite carbs. But anyway, I'm wondering what you all think.

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RE: Official Thread for the Go 21 Engine - 5/18/2008 6:29 AM   
Vigilante212



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Status: offline 		I am not having any issue with mine. What exactly is your doing? Is it lean bogging? This happened to me about a week ago. I had to richen up the HSN about an 1/8th of a turn and lean out the LSN and increase my idle a bit. The Go techs like a fat high speed and a lean low speed needle. The 2008 carbs are diffrent so you might be able to order those and its possible those will be more like standard tuning, but its hard to say.

I ran my engine all day today and it stayed between 220-240 and ran like a raped ape . I have about 3/4 of a gallon on it.

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RE: Official Thread for the Go 21 Engine - 5/18/2008 6:32 AM   
vnmsgt



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quote:

ORIGINAL: Vigilante212

I am not having any issue with mine. What exactly is your doing? Is it lean bogging? This happened to me about a week ago. I had to richen up the HSN about an 1/8th of a turn and lean out the LSN and increase my idle a bit. The Go techs like a fat high speed and a lean low speed needle. The 2008 carbs are diffrent so you might be able to order those and its possible those will be more like standard tuning, but its hard to say.

I ran my engine all day today and it stayed between 220-240 and ran like a raped ape . I have about 3/4 of a gallon on it.

DUDE I cannot stand you pic under your name!!! LOL! Everytime I see it, it annoys me Anyway I am going to the track with my new 7-port for the first time in the morning. Hope to have some butt whipping fun!

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RE: Official Thread for the Go 21 Engine - 5/18/2008 11:26 AM   
supertib


 

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quote:

ORIGINAL: JSRacer

Well, I put around 10 tanks through the 7 port today and a buddy has around 20 tanks through his and we're having identical problems. When we began to lean a little for a better tune we saw temps jump up around 300 degrees F! We then tried to fatten them up and find that we can get temps down around 230-240 but they run like crap. Way too rich. We both have years of expericence and have broken in many many engines and we're both stumped. I know they are tight, very tight engine but wow! Is this a common experience with GO engines? I've never had an engine want to run so hot. I'm not diggin' the high temps. I'm wondering if we both got a batch of the "bad carb" engines. My serial number is US0000624, and his is only about 6 down the line from mine. They have composite carbs. But anyway, I'm wondering what you all think.



what brand of temp gun are you using ???? most likely your gun is out of calibration and giving you false readings..... Next time you run the motor do the spit test on the cooling head, if the motor really is 300F the spit will vaporize almost instantly !!!!

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RE: Official Thread for the Go 21 Engine - 5/18/2008 3:42 PM   
Vigilante212



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quote:

ORIGINAL: vnmsgt


quote:

ORIGINAL: Vigilante212

I am not having any issue with mine. What exactly is your doing? Is it lean bogging? This happened to me about a week ago. I had to richen up the HSN about an 1/8th of a turn and lean out the LSN and increase my idle a bit. The Go techs like a fat high speed and a lean low speed needle. The 2008 carbs are diffrent so you might be able to order those and its possible those will be more like standard tuning, but its hard to say.

I ran my engine all day today and it stayed between 220-240 and ran like a raped ape . I have about 3/4 of a gallon on it.

DUDE I cannot stand you pic under your name!!! LOL! Everytime I see it, it annoys me Anyway I am going to the track with my new 7-port for the first time in the morning. Hope to have some butt whipping fun!



It gets your attention though doesnt it

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RE: Official Thread for the Go 21 Engine - 5/18/2008 4:37 PM   
JSRacer


 

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Status: offline 		We have 2 other temp guns confirming the temps. Another guy was running a SW .26 and it was reading around 215F the whole day. I actually did use the spit test but it took a few seconds to vaporize. Since my last post I've switched the carb out with my OS carb but haven't tried it yet. So I'll report back.

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RE: Official Thread for the Go 21 Engine - 5/18/2008 5:13 PM   
supertib


 

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quote:

ORIGINAL: JSRacer

We have 2 other temp guns confirming the temps. Another guy was running a SW .26 and it was reading around 215F the whole day. I actually did use the spit test but it took a few seconds to vaporize. Since my last post I've switched the carb out with my OS carb but haven't tried it yet. So I'll report back.



if it took a few seconds then its not 300F.......... 300F vaporizes instantly....

Another case of tuning by temps..motor is running great, good smoke trail yet people panic because a little Hobby Grade temp gun reads 300F.....chances are you are not 300F

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RE: Official Thread for the Go 21 Engine - 5/18/2008 11:29 PM   
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Status: offline 		the other thing that will spike a high temp with a go motor is a air leak.... just the smallest leak will cause it....have you sealed the motor??? also if there is still ALOT of pinch this will cause it too.... the added friction causes a high temp.... as a rough guide keep it rich and happy till you can turn the flywheel over with your finger... oh and check your head bolts.... ive had two turn up from factory with loose bolts.... let us know how you get on....

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RE: Official Thread for the Go 21 Engine - 5/18/2008 11:50 PM   
JSRacer


 

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Status: offline 		Ok, a little update. I threw on the carb from my old OS 21 VG and it cut the temps down a bunch. I let the GO rip up and down the street for a while and leaned it out to a decent tune. The highest temp I have yet to see is 262F. It's running fairly consistant around 230-240F. I think I found the culprit, but I'll continue to test it out and report back.

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RE: Official Thread for the Go 21 Engine - 5/19/2008 2:20 AM   
Vigilante212



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Status: offline 		Check the o rings on the go carb one of them is probably damaged.

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RE: Official Thread for the Go 21 Engine - 5/19/2008 2:59 AM   
vnmsgt



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Status: offline 		Just ran my .21 7-port today on the track for the first time today and WOW! The more I ran it throughout the day the more power it got and that was with the 7.5 carb restrictor in it too. I was using only a quarter throttle all day long with the my ZX1-R buggy and it was ripping! Temps were around 235-245 most of the day. Power delivery is very smooth the not abrupt. Easy to drive. My other friend ran his 2 NEW Go techs .28 6-port and .21 7-port and we had a blast all day long. Both of us went from OS .21 V-specs and Picco .28 and OS .21 VG and could not be happier making the switch.

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RE: Official Thread for the Go 21 Engine - 5/19/2008 9:14 AM   
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Status: offline 		well my two "GO" babies did me proud on the weekend.... 2nd in buggy and a 2nd place in truggy.....over the moon

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RE: Official Thread for the Go 21 Engine - 5/19/2008 9:52 AM   
smracer31


 

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quote:

ORIGINAL: ecocav04

Well ill add my input ive had best luck tuning the 5 port turbo engine with the bottom end needle to get it in the ballpark i set the high end needle flush and tune the bottom end and give and take a bit out of the top and i get a perfect tune with temps around 230-250 ive been running it in my buggy and its a little too much on the bottom so im looking to go to the 7 port turbo for buggy and putting the 5 port in my truggy


you want to try the 3 port race, i just finished breaking mine in and the power band is very nice on it, i have yet to take it to the track hower. I also have a 7 port with a little less than a gallon on it, and i am going to see which one i like more for racing, and use the other for practicing.

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RE: Official Thread for the Go 21 Engine - 5/19/2008 11:32 AM   
supertib


 

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Status: online 		Go engines will leak at the carb... the carb body will spring a leak at the seam between the composite body and the metal endbell... this requires a bead of JB weld to fix..

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RE: Official Thread for the Go 21 Engine - 5/19/2008 5:31 PM   
nucular


 

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Status: offline 		I started breaking my 3 port in this weekend and was having a lot of trouble keeping it running for the 1st 2 break-in tanks. I had the HSN out 2 turns (according to the sheet that came with it) but i have heard other people say 1 turn out from flush which is a huge difference. It would stay running if i left the ignitor on it. The entire time it was just spitting fuel out the exhaust which tells me it was way too rich. I tried to turn the lsn in a little but then it would just run erratically. Are these pretty finicky during breakin?

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RE: Official Thread for the Go 21 Engine - 5/19/2008 5:43 PM   
slayerphonics



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ORIGINAL: nucular

I started breaking my 3 port in this weekend and was having a lot of trouble keeping it running for the 1st 2 break-in tanks. I had the HSN out 2 turns (according to the sheet that came with it) but i have heard other people say 1 turn out from flush which is a huge difference. It would stay running if i left the ignitor on it. The entire time it was just spitting fuel out the exhaust which tells me it was way too rich. I tried to turn the lsn in a little but then it would just run erratically. Are these pretty finicky during breakin?


Is it the Race version?

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RE: Official Thread for the Go 21 Engine - 5/19/2008 5:46 PM   
nucular


 

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Status: offline 		Yes, the race version. Also, i did not have the additional shim installed. I put it in yesterday but haven't had time to try again. I am using O.S. P6 turbo Hot plugs too.

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RE: Official Thread for the Go 21 Engine - 5/19/2008 6:04 PM   
slayerphonics



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ORIGINAL: nucular

Yes, the race version. Also, i did not have the additional shim installed. I put it in yesterday but haven't had time to try again. I am using O.S. P6 turbo Hot plugs too.


I'm debating on buying this engine, your post has me worried though

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RE: Official Thread for the Go 21 Engine - 5/19/2008 6:18 PM   
nucular


 

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Status: offline 		well, don't worry too much yet. I have broken in several engines but this is my first 'race' class so it could be user error.

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