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| Decreased speed issues http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=65412 |
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| Author: | HunterLafever [ Sat Jan 16, 2016 3:57 pm ] |
| Post subject: | Decreased speed issues |
I have a stock 2016 MB HDR 35 on a 1751 f4. I have around 11hrs on motor been noticing speed has seemed slower. When i first got the rig i could run 28mph with 3 people and some gear. Now 2 people with dozen dakotas 2 shotguns im around 25. Any thoughts or opinions? |
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| Author: | DUCK HEARSE [ Sat Jan 16, 2016 4:01 pm ] |
| Post subject: | Re: Decreased speed issues |
Check for leaking valves |
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| Author: | SCmudder7071 [ Sat Jan 16, 2016 4:26 pm ] |
| Post subject: | Re: Decreased speed issues |
28 on a stock motor with 3 people? What your prop look like. |
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| Author: | badams [ Sat Jan 16, 2016 5:30 pm ] |
| Post subject: | Re: Decreased speed issues |
28 mhp with a stock motor. I cant get 28 out of a modded 36 PD with 2 guys and gear in a 17/48 phowler!! Thats Awesome!!!!! Check your valves and valve lash!! |
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| Author: | craig [ Sat Jan 16, 2016 5:40 pm ] |
| Post subject: | Re: Decreased speed issues |
Which engine do you have? Carb. or EFI? |
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| Author: | HunterLafever [ Sat Jan 16, 2016 5:55 pm ] |
| Post subject: | Re: Decreased speed issues |
I have carb motor. What do i need to do to check my valves? |
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| Author: | HunterLafever [ Sat Jan 16, 2016 5:58 pm ] |
| Post subject: | Re: Decreased speed issues |
I have been thinking its my prop bc i have been in some sand and logs |
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| Author: | Bigbend [ Sat Jan 16, 2016 6:19 pm ] |
| Post subject: | Re: Decreased speed issues |
Sand? Measure your prop |
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| Author: | HunterLafever [ Sat Jan 16, 2016 6:23 pm ] |
| Post subject: | Re: Decreased speed issues |
What does it need to measure up too? |
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| Author: | Russ [ Sat Jan 16, 2016 7:17 pm ] |
| Post subject: | Re: Decreased speed issues |
*facepalm* valve lash: search the forum, or Google it, videos on youtube. Prop diameter: listed on the hub of your prop, since it's a big blade. |
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| Author: | HunterLafever [ Sat Jan 16, 2016 8:03 pm ] |
| Post subject: | Re: Decreased speed issues |
Okay thanks for yalls help |
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| Author: | craig [ Sat Jan 16, 2016 8:23 pm ] |
| Post subject: | Re: Decreased speed issues |
If you've been running sand it's probably a combination of valves and worn prop. ALL of the carb'ed engines need a good valve job after you put 20-30 hrs. on the engine. I'm not sure exactly what the MB props measure when new. IF deadbird8 doesn't chime in on this post send him a PM and he can fill you in on MB prop specs. |
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| Author: | Russ [ Sat Jan 16, 2016 8:45 pm ] |
| Post subject: | Re: Decreased speed issues |
12.25x10pitch |
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| Author: | Russ [ Sat Jan 16, 2016 8:45 pm ] |
| Post subject: | Re: Decreased speed issues |
I knew it, was trying to show him that the info is there if he looks for it |
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| Author: | deadbird8 [ Sun Jan 17, 2016 1:05 am ] |
| Post subject: | Re: Decreased speed issues |
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