RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Monster Trucks >> RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM
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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 5/31/2008 9:46:55 PM   
CatLover95



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From: Millersville, MD, USA
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some people have been complaining about the 8.0 engine, saying that it's hard to tune and runs poorly. is this true? or did they have dud engines? should i think about a 4.60se insteadof the 8.0?

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 5/31/2008 11:10:26 PM   
Elite_Tux487



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Im thinking they didn't know what they were doing. I don't own an 8.0 but I've heard they are just as easy to tune and keep running as the mgt .21 and 4.6, but with gobs more torque

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/1/2008 12:30:02 AM   
scottywilkes



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well race day has come and gone, heres the aftermath LOL BTW its a 4.6 not a 8.0









Good race day, finished all the heats in 2nd, but flamed out twice in the A main and i gave up on the third time, narrowed it down to a fried plug, 4 race meets does that to a plug i guess Still managed third though

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/1/2008 1:05:54 AM   
easyrabbit



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You guys better be joking...

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/1/2008 1:07:59 AM   
easyrabbit



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quote:

ORIGINAL: scottywilkes

well race day has come and gone, heres the aftermath LOL BTW its a 4.6 not a 8.0


Good race day, finished all the heats in 2nd, but flamed out twice in the A main and i gave up on the third time, narrowed it down to a fried plug, 4 race meets does that to a plug i guess Still managed third though


Cool, at least you raced! Looks like you had fun

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/1/2008 4:55:47 AM   
freestylingford


 

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Just got one its on its way t maxx was just posted on ebay!!!!

< Message edited by freestylingford -- 6/2/2008 3:37:31 AM >

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/2/2008 4:36:31 AM   
K223


 

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I think the 8.0 is very easy to tune and get running very well if you especially start with those revised AE settings posted here on the forum. The truck holds it's tune as well. I think since it's a larger engine it's not as finicky and has a smaller rpm range to work in. It can take a few mins. of running it around to fully warm it up however...but even cold it still drives good.

K223

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/3/2008 10:42:46 PM   
hajile1997


 

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Where are these revised needle settings that are aon the forum you speak of? Can you point me in the right direction?

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/4/2008 4:57:23 AM   
easyrabbit



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quote:

ORIGINAL: hajile1997

Where are these revised needle settings that are aon the forum you speak of? Can you point me in the right direction?


These are the ones that were sent to me...

"First thing is pull the carb all the way out (full throttle position). Then turn the Meter Mixture Screw (back of the engine next to the idle screw) 1 and 1/8 turn out from complete close. Then keeping the carb in full throttle position turn the low speed needle 5.5 turns out from complete close. Then turn the high speed needle 3 turns out from complete close"

I would say my truck was nearly dead on with these running 30% Byrons or Sidewinder Race blend and a MC9 Plug. Motor takes a couple of mins. long to reach it's operating temp, but this only affects full power...Otherwise it's snappy right after you start it. I might be 1/8th of a turn leaner on the Low speed and 1/4 turn leaner on the high speed from these base settings and the truck rips and actually runs cooler...But that maybe due to the 30% fuel as well and the colder plug.

I also don't think you need to do what Tuc says in holding your carb open while making these adjustments as I found no difference...But if somebodie's carb is completely off then maybe. Verify your idle is set to spec before doing these adjustments and then your idle should be good after doing them. Let me know how your's runs after doing this.

Corey

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/4/2008 3:01:20 PM   
MGT8kid


 

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Is there anyone that knows of a company or companies that make hop ups yet for the MGT 8.0, besides the A arms from RPM? pipes? headers? shock towers? anything?

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/4/2008 3:19:16 PM   
tuclai


 

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MGT8Kid,

All hopups made for the older MGT's except engine and tranny stuff will fit the new MGT 8. Page 2 and 3 of my site shows all the hopups you can put on the MGT 8.

http://good-times.webshots.com/album/562025697XGWJlX

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/4/2008 4:19:58 PM   
easyrabbit



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From: Culver City, CA, USA
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i like that air filter... I have seen guys extend the pipe all the way to the front of the truck so it sucks in fresh air directly from the outside...

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/4/2008 4:22:51 PM   
cutler0902


 

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Joined: 6/3/2008
From: Wake Forest, NC, USA
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Need a little help..I have an MGT 8.0..Working on trying to get it started. I noticed fuel (a heavy amount ) was coming out of the exhuast..I don't mean white smoke..darker looking fluid. Can you suggest anything. ?

I finally got it started and then it cuts off..Any help is appreciated.

Tks!

JC

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RE: OFFICIAL MONSTER GT 8.0, MMGT FORUM - 6/4/2008 5:21:58 PM   
K223


 

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From: , FL, USA
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quote:

ORIGINAL: cutler0902

Need a little help..I have an