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| Update- 1842 & 27 PD http://mudmotortalk.com/mmt_v2/viewtopic.php?f=5&t=29538 |
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| Author: | Podcast [ Mon May 28, 2012 8:12 pm ] |
| Post subject: | Update- 1842 & 27 PD |
Rehash: got 20 bumpin 21 just me @ 3400 rpm. Played with carb linkage and got 20 bumpin 21 with my ol man and me @ 3510 rpm. Didn't know if it was the linkage adjustment or the boat ridin more level. New update: went out today after setting the throttle linkage to engage immediately when you twist the throttle. Before it would engage after about 1/3 throttle. After I did that I checked to see when the carb plate fully opened. It was 100% open at half throttle. So I think should give me max rpm at half throttle. Start it up in the parking lot. Sure nough, 4250 at half throttle twist. So I take er out. I'm hitting 22 bumpin 23 at 3650. Now here's the really funny deal. That was at full twist. The carb fully opens at half twist. So I thought after a couple minutes let of to half throttle since it should run the same. Well immediately after lettin off it lost rpm. So between 100% down to 50% throttle I was loosing rpm. But the plate is fully open at 50% rpm. What gives y'all? |
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| Author: | Woodiebuster [ Mon May 28, 2012 9:00 pm ] |
| Post subject: | Re: Update- 1842 & 27 PD |
A motor wraps up faster when there is no load on it. |
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| Author: | Podcast [ Tue May 29, 2012 6:58 am ] |
| Post subject: | Update- 1842 & 27 PD |
| Author: | Podcast [ Tue May 29, 2012 6:04 pm ] |
| Post subject: | Update- 1842 & 27 PD |
Looked closer tonight. Took a nut out blockin the throttle linkage plate from turnin. Got 3800 at 23 mph with me, my boy-75 lbs, my ill gal-55 lbs, and my dog-65 lbs. I'm good with that. Lookin forward ta runnin er myself. |
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| Author: | mizzippi jb [ Tue May 29, 2012 6:20 pm ] |
| Post subject: | Re: Update- 1842 & 27 PD |
def. should turn 25 with just you. Get those heads done and you are gonna have a really nice rig I do believe. BTW, what is a 120# control unit? |
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| Author: | cb5331 [ Tue May 29, 2012 6:35 pm ] |
| Post subject: | Re: Update- 1842 & 27 PD |
| Author: | Podcast [ Tue May 29, 2012 6:58 pm ] |
| Post subject: | Update- 1842 & 27 PD |
Thanks Clay. Yup. You got er. Heads will be done in a month er two. Lookin forward ta that! |
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| Author: | Team Camo [ Tue May 29, 2012 8:08 pm ] |
| Post subject: | Re: Update- 1842 & 27 PD |
I think you kinda misunderstood what Woodie was sayin. The motor aint gonna turn up the same rpm under a load that it will in neutral. Think about it like your truck. With just you & a 12 pk of beer, it'll peg out the speedo, but put a load back there like a big tractor or something heavy, & you can give it all the throttle you want. If the horsepower aint there, the rpm's won't be either. |
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| Author: | Podcast [ Wed May 30, 2012 6:03 am ] |
| Post subject: | Update- 1842 & 27 PD |
Understood TC. Maybe I did a chit job a explainin it. Ta break er down simple, none a the linkage was adjusted right all between the throttle rod and the carb. |
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| Author: | Podcast [ Sat Jun 02, 2012 9:34 pm ] |
| Post subject: | Update- 1842 & 27 PD |
Final update. Ran er tonight and bumped 25 and steady 24. Gps said 29 at one point but darn sure that was a glitch. |
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| Author: | mizzippi jb [ Sun Jun 03, 2012 5:41 am ] |
| Post subject: | Re: Update- 1842 & 27 PD |
dang right! Getting it where you wanna be. |
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