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| stage 1 upgrade http://mudmotortalk.com/mmt_v2/viewtopic.php?f=5&t=42091 |
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| Author: | gmc [ Mon Jun 24, 2013 8:31 am ] |
| Post subject: | stage 1 upgrade |
2012 gtr put 100 hrs on it with mikuni an mmx. did stage 1 upgrade (heads,cam,exhaust) and got rid of mikuni. went from 29mph empty boat to running a steady 30 with 2 ppl and a dog. extremely satified has plenty power and way bettr in grass and lillies. |
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| Author: | CJB [ Mon Jun 24, 2013 8:34 am ] |
| Post subject: | Re: stage 1 upgrade |
Why did you get rid of the Mikuni? |
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| Author: | gmc [ Mon Jun 24, 2013 8:43 am ] |
| Post subject: | Re: stage 1 upgrade |
to pay for the head work and to keep from staying on rev limiter. |
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| Author: | Kmoppert [ Mon Jun 24, 2013 8:57 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | deltaduckmaster [ Mon Jun 24, 2013 9:01 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | Jamie B. [ Mon Jun 24, 2013 9:08 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | Jamie B. [ Mon Jun 24, 2013 9:12 am ] |
| Post subject: | Re: stage 1 upgrade |
I understand the point to pay for the heads to get done, heads and exhaust should be the first things done to these motors. |
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| Author: | Will [ Mon Jun 24, 2013 9:19 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | CJB [ Mon Jun 24, 2013 9:21 am ] |
| Post subject: | Re: stage 1 upgrade |
The cam would provide bottom end...not stock carb. No? |
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| Author: | deltaduckmaster [ Mon Jun 24, 2013 9:24 am ] |
| Post subject: | Re: stage 1 upgrade |
I just found in my past motors that my stock carb had a lot of bottom end never bogged. Might have just been my setup |
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| Author: | Team Camo [ Mon Jun 24, 2013 9:26 am ] |
| Post subject: | Re: stage 1 upgrade |
Correct, the cam & heads combined will give way more bottom end than the Mikuni. Stock carb just gave you back the governor system |
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| Author: | Bigrich [ Mon Jun 24, 2013 9:27 am ] |
| Post subject: | Re: stage 1 upgrade |
I have seen where guys do this heads exhaust and stock carb and say dont need the carb |
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| Author: | sftull [ Mon Jun 24, 2013 9:28 am ] |
| Post subject: | Re: stage 1 upgrade |
I want to take my stock carb and throw it over board. After coming from a mikuni on my last motor to a stock carb on this one...it sucks!! |
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| Author: | Jamie B. [ Mon Jun 24, 2013 9:32 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | Jamie B. [ Mon Jun 24, 2013 9:33 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | gmc [ Mon Jun 24, 2013 9:39 am ] |
| Post subject: | Re: stage 1 upgrade |
well so for i have zero issues with stock carb. got myself in sme real thickliies and no problems no bogging down and im right on the rev limit turning 4300 with 2 man load. it even idles jus as good and strong as before. |
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| Author: | deltaduckmaster [ Mon Jun 24, 2013 9:41 am ] |
| Post subject: | Re: stage 1 upgrade |
I know I had a stock carb motor that still runs today with over 2000 hrs on it. It turned 4550 and ran 35 mph. Would dig all day long in lilies and mud never bogging down. It is all a head and cam motor needs to perform. When I added a mikuni to it it picked up 1mph and lost some bottom end. That was with a evt intake. Took all that off and went back stock. Jamie it did have a carb spacer like you just built though 
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| Author: | jldsc [ Mon Jun 24, 2013 9:41 am ] |
| Post subject: | Re: stage 1 upgrade |
these mikuni's yall are using dont have an accelerator pump on them??? Cause if setup right, jets and acc. pump timing, you should have way more bottom end than a stock carb... Sent From an Apple Tree. |
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| Author: | CJB [ Mon Jun 24, 2013 9:43 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | JIMMY W [ Mon Jun 24, 2013 9:47 am ] |
| Post subject: | Re: stage 1 upgrade |
Heads,Cam,and do some intake work,Do some things to stock carb and that bitch will perform! |
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| Author: | Jamie B. [ Mon Jun 24, 2013 9:51 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | Jamie B. [ Mon Jun 24, 2013 9:54 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | deltaduckmaster [ Mon Jun 24, 2013 10:03 am ] |
| Post subject: | Re: stage 1 upgrade |
I love my mikuni but its a lot of money if you have a motor governed at 4300 rpm that is all you want to turn. Good tuned stock carb with some intake work will perform |
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| Author: | Jamie B. [ Mon Jun 24, 2013 10:06 am ] |
| Post subject: | Re: stage 1 upgrade |
Yes it will perform great, and I agree with you its alot of money on a governed motor at 4300. |
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| Author: | gmc [ Mon Jun 24, 2013 10:46 am ] |
| Post subject: | Re: stage 1 upgrade |
what size jets were you guys running in the stock carb? |
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| Author: | deltaduckmaster [ Mon Jun 24, 2013 11:20 am ] |
| Post subject: | Re: stage 1 upgrade |
| Author: | gmc [ Mon Jun 24, 2013 11:27 am ] |
| Post subject: | Re: stage 1 upgrade |
okay bc when i checked the spark plugs they looked like they just came out the box on about an hour ride |
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