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| stock 6 rib wanting more speed http://www.woodsbuggy.com/phpBB3/viewtopic.php?f=12&t=4813 |
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| Author: | duneracer01 [ Sun Oct 05, 2008 11:37 am ] |
| Post subject: | stock 6 rib wanting more speed |
ok fellows need help i have a stock 6 rib that im fixin to rebuild and i need to know what gears i need to run for good low end tourge plus good top end speed.thanks in advance for all the information. |
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| Author: | MadMike [ Sun Oct 05, 2008 2:51 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
Need more information. What motor? What tire size? What are you doing with it, hill climbing, trail riding or interstate? How much are you willing to compromise on gear ratios? |
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| Author: | duneracer01 [ Sun Oct 05, 2008 8:59 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
1915 engine 10.5x28x15 hillclimbing,trail riding and on road driving |
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| Author: | kyjr.buggy1 [ Mon Oct 06, 2008 11:07 am ] |
| Post subject: | Re: stock 6 rib wanting more speed |
I'd think a 6 rib has fast enough gearing for a 1915. But you can gain speed by installing taller gears, but it will have slower acceleration unless you change the size of your ring and pinion. -Dakotah |
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| Author: | turboblue [ Mon Oct 06, 2008 11:40 am ] |
| Post subject: | Re: stock 6 rib wanting more speed |
Stock 6 rib gearing with a 28" tire puts you about 65mph at 3000 RPM. 3K is pretty optimal for cruising speed. Besides that I don't think you will find a taller 4th or a R&P for an 091. |
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| Author: | chris38375 [ Mon Oct 06, 2008 5:30 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
that 6 rib with 28" tires and a 1915 should last a really long time stock and it should have good hiway speed |
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| Author: | duneracer01 [ Tue Oct 07, 2008 7:04 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
highway speed is great wanting faster take off in 1st and 2nd gears |
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| Author: | chris38375 [ Tue Oct 07, 2008 8:00 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
4;13 1st 2;46 2nd and stock 3rd and 4th |
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| Author: | turboblue [ Wed Oct 08, 2008 11:13 am ] |
| Post subject: | Re: stock 6 rib wanting more speed |
duneracer01 wrote: highway speed is great wanting faster take off in 1st and 2nd gears You said in your first post your wanted more highway speed.............  Yeah use what Chris suggested for 1/2 or go to a 5 rib. That gives you almost the same 1/2 but a little more rpm in 3/4. |
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| Author: | duneracer01 [ Wed Oct 08, 2008 10:28 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
you are correct turbo sorry if i miss led everybody highway speed is good but would like 1st and 2nd to be more aggressive |
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| Author: | MickeyMouse [ Thu Oct 09, 2008 4:30 am ] |
| Post subject: | Re: stock 6 rib wanting more speed |
Hey Duneracer, Just wondering, what is your top speed with a 6 rib? I run an 1835 with a 3rib and 30in tires. I can easily cruise at 65mph but it will go upto 85mph with the RPM around 4500. Just wondering what would happen if I changed from a 3 rib to a 6 rib.. |
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| Author: | Odyknuck [ Thu Oct 09, 2008 11:25 am ] |
| Post subject: | Re: stock 6 rib wanting more speed |
3 rib uses a 532 or so and the 6 rib uses a 457 so you would get a higher top end. |
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| Author: | duneracer01 [ Thu Oct 09, 2008 6:14 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
hey mickey mouse not really sure what top speed is just yet havent hooked odomiter up since having this engine built still working all bugs out first but it looks to be promising |
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| Author: | Baddvw [ Mon Oct 27, 2008 11:07 pm ] |
| Post subject: | Re: stock 6 rib wanting more speed |
It will be hard to find a transmission set-up the way you want it, there will be alot of trial and error until you like it.....I would personally run a 6-rib stock, it will be better than a 3-rib or 5-rib for a 1915cc, but you will lose bottom end unless you have a stroker motor or change the R&P in it for a set of lower ones like 5.13:1 or something like that. I run 3.44 1st and 2.77 2nd in my 6-rib with 4.56:1 R&P and that gives me killer speed and torque on the hills with my 2276cc on the old Packrat so imagine how much more I will gain by shaving off almost 500lbs. by putting the same engine and transmission on my new single-seater. 
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