need help with gst

need help with gst
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> CEN Racing >> need help with gst

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need help with gst - 6/17/2007 11:50:45 PM

Posts: 31
Joined: 6/12/2007
From: portola/oroville, CA, USA
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i think i need help finding my idle screw on my genesis, now everytime i start it it is ideling very high and i can not figure out how to get it to stop, this startedwhen i switched to 30% fuel, any input?? i realy want to drive oday.

thanks guys

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2005 raptor 660

RE: need help with gst - 6/18/2007 1:56:08 AM

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Joined: 6/11/2007
From: Jacksonville, FL, USA
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small black screw on the left side of the carb. below high end mix screw.

(in reply to benpimpin)

RE: need help with gst - 6/18/2007 2:05:45 AM

The Real Dogman

Posts: 1957
Joined: 5/5/2006
From: Tucson, AZ, USA
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The idle screw is on the front of your carb going into the carb at a shallow angle here is a pic from the manual

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RE: need help with gst - 6/19/2007 12:11:50 AM

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From: placentia, CA, USA
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The idle srew is located in the center of the carb directly under neath the air-filter

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RE: need help with gst - 6/19/2007 12:15:10 AM

Posts: 31
Joined: 6/12/2007
From: portola/oroville, CA, USA
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thank you, i messed around with it a little bit yesterday, which way do I twist it to lower the idle??

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2005 raptor 660

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RE: need help with gst - 6/19/2007 12:26:17 AM

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Joined: 6/12/2007
From: portola/oroville, CA, USA
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is there any other reason that the throttle would be sticking? I messed with the screw a little bit but it did not seem to help.

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2005 raptor 660

(in reply to benpimpin)

RE: need help with gst - 6/19/2007 1:46:45 AM

jarlin

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Joined: 5/11/2007
From: Warman, SK, CANADA
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Pull off your air filter and adjust the gap in the carb to about 1mm and then test it. Elevation and climate effect the setting but that is a place to start. I have no idea if I hit a 1mm gap or not but it idles really well. Bit of trouble if I turn it on its roof when the engine is hot, it stalls on me but I have only put 6 tanks through it too.

(in reply to benpimpin)

RE: need help with gst - 6/19/2007 3:04:26 AM

The Real Dogman

Posts: 1957
Joined: 5/5/2006
From: Tucson, AZ, USA
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Ok Guys, the first thing you need to do is ajdust your End Point Adjustment(EPA) on your radio to be sure the servo is allowing the throttle to close completely..(Read your radio manual for instructions). If that does not allow your throttle to close completely then disconnect your linkage from the arm on the carb abd from the servo arm and look for binding(Most Likey The Pivot Near the Tank is too tight), while the linkage is off check that the throttle barrel will close completely.

Using 30% Nitro will natrually raise your idle and create more power. You should add shim to your head button to lower your comression abit, the engine will last longer. You should be able to tune the high idle out. I have never used nitro content that high so I can help you much with your tune, sorry..

I do hope what I have offered does help some tho..

Good luck and have fun!!

PS. let us know how it works out with your fuel choice...

EDIT ADDED: Hey I just noticed CEN was here!! Hey guys hows it going?? Been busy???

< Message edited by The Real Dogman -- 6/19/2007 3:21:35 AM >

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My Wife Knows How Much It Really Costs And Still Loves(lets)Me!
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RE: need help with gst - 6/27/2007 1:13:17 AM

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Joined: 6/12/2007
From: portola/oroville, CA, USA
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ok I went back to running 20% fuel and it is running awesome, i now plan on buying aftermarket parts. any advice on what to buy first???

thanks

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2005 raptor 660

(in reply to The Real Dogman)

RE: need help with gst - 6/27/2007 2:04:44 AM

The Real Dogman

Posts: 1957
Joined: 5/5/2006
From: Tucson, AZ, USA
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Hey Ben what have you upgraded so far?? anything??

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(in reply to benpimpin)

RE: need help with gst - 6/27/2007 2:59:51 AM

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nope, so far it is completely stock except for the electric starter thing.

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2005 raptor 660

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RE: need help with gst - 6/27/2007 5:18:10 AM

The Real Dogman

Posts: 1957
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From: Tucson, AZ, USA
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OK then ben
1)the first thing you will need to get is a 5 cell hump pack its 6volts compared to the 4 aa battery pack the truck comes with they are only 4.8 volts. That will help your servos run better.

2)You will want to pull the baffle out of your muffler to get a more vicious sound out of the pipe and some people say you will actually increase your torque abit

3)Then you may want to upgrade your steering servo to 1 that has close to 333oz of torque like a hitech hs5955mg, however those servos are a little pricey @ about $110 shipped or you can do the dual steering servo mod which you can do with stock servos @ about $30 in parts and about 6 hours of modifying your radio tray to accept the second servo. I will do a detailed write up if decide to go that route(I'm sure many people would like to see that!!)

4)For tuning you may want to invest in a N-tune Tuning Dial!! It will help you tune better and keep track of your settings with their free downloadable tracking sheet.

5) Installing a checkvalve between the exhaust nipple and fuel tank will help stabilize the half tank leaning issue, that some people have experienced.

6) an after market airfilter should be on your list upgrades.

7) and finally there is the suspension, you can upgrade your entire suspension to aluminum which will add wieght to your truck but will help minimize breaking the OEN suspension arms, CEN has released afull option package for this truck but you can get GPM pieces as well.

This is a good start!! Check out my gallery for pictures of some of the stuff I've done just for the fun of it, some of it is successful some not fully tested, and acouple I think a complete bust, but it all was fun!!!

Anyway I hope this has helped some and just ask we will be more than happy to add to this list

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(in reply to benpimpin)

RE: need help with gst - 6/27/2007 5:47:56 AM

Posts: 31
Joined: 6/12/2007
From: portola/oroville, CA, USA
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ok thank you.

i saw in youre pictures you had a k&n style filter, where can I find one of these??? and can I order parts directly from the cen website??? and what about aftermarket exhausts or is the stock good as it gets?? and please do add to youre list of upgrades, i would like to get asmany ideas as possible.

thank you

< Message edited by benpimpin -- 6/27/2007 5:48:41 AM >

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2005 raptor 660

(in reply to The Real Dogman)

RE: need help with gst - 6/27/2007 6:34:49 AM

The Real Dogman

Posts: 1957
Joined: 5/5/2006
From: Tucson, AZ, USA
Status: offline

Ebay is a great source for air filters, in fact for most anything, especially OEM replacement parts. And yes CEN Direct is your CEN source Found @ www.cenracingdirect.com The matrix pro pipe works pretty well, as well as other .28 big block pipes work too. I will add later when I'm not so tired..

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My Wife Knows How Much It Really Costs And Still Loves(lets)Me!
Nemesis/Genesis/Matrix Arena/Wheely King Tuber/Axial Co

(in reply to benpimpin)

RE: need help with gst - 6/27/2007 10:18:54 PM

Posts: 31
Joined: 6/12/2007
From: portola/oroville, CA, USA
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quote:

ORIGINAL: The Real Dogman

Ebay is a great source for air filters, in fact for most anything, especially OEM replacement parts. And yes CEN Direct is your CEN source Found @ www.cenracingdirect.com The matrix pro pipe works pretty well, as well as other .28 big block pipes work too. I will add later when I'm not so tired..

please do I am very interested in the potential of these things.

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2005 raptor 660

(in reply to The Real Dogman)

RE: need help with gst - 6/27/2007 11:30:48 PM

Posts: 142
Joined: 5/8/2007
From: Lakewood, CA, USA
Status: offline

Speaking of Air Filters, do you guys have any suggestions for running at the beach, desert, or river? I plan on running my GST in those kinds of environments and want to make sure I don't introduce dust/dirt/sand into the motor. I saw someone talking about putting a peice of panty hose over the stock filter.. Does someone make a pre-filter or replacement filter that would help with this kind of stuff, as the stock "sponge" would probably clog up pretty quick on it's own..

Thanks!

(in reply to benpimpin)

RE: need help with gst - 6/28/2007 2:43:20 AM