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anybody try changing their top sprocket on 35hp gdsd
http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=25520
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Author:  jared!!! [ Fri Jan 06, 2012 3:09 pm ]
Post subject:  anybody try changing their top sprocket on 35hp gdsd

im running a 35gdsd with heads rockerrollers mukuni carb and evt exhaust ... im looking to get a little bit more speed out of her im running the stock 34 tooth right now turning up 4400 with new prop i just ordered a 36 tooth for it i was told it should bring my rpms down to 4200 and give me another 200rpm at the wheel......any good imformation will be appreicated ..

Author:  Robn1020 [ Fri Jan 06, 2012 5:14 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd


Author:  T-Bubba [ Fri Jan 06, 2012 5:25 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

i think yall mean pullys... not gears

Author:  bayouboy [ Fri Jan 06, 2012 8:25 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

Gay ass go slow devil thread, best thing to do is sell that piece of shit and buy you a real upto date motor! Pulley's are for pussies!

Author:  Robn1020 [ Fri Jan 06, 2012 8:26 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd


Author:  bayouboy [ Fri Jan 06, 2012 8:31 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd


Author:  jared!!! [ Fri Jan 06, 2012 8:33 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

bayou fagg i cant piss u off because u gotta change it out for me and ummm how many times has that peice of shit broken with over 700hrs on it?

Author:  Robn1020 [ Fri Jan 06, 2012 8:34 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd


Author:  jared!!! [ Fri Jan 06, 2012 8:36 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

robn i bought the "pulley" from coco at go-devil it cost me $90 he said it should help me but hes not for the upgrades on the motors lol......

Author:  jared!!! [ Fri Jan 06, 2012 8:37 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

hey bubba teets i didnt ask about u about a prodrive ur on the wrong thread buddy

Author:  Robn1020 [ Sat Jan 07, 2012 9:13 am ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd


Author:  T-Bubba [ Sat Jan 07, 2012 9:36 am ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

It's a pulley. Not a sprocket or gear you fuckkstickss

Author:  jared!!! [ Sat Jan 07, 2012 2:04 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

i hope ur clutch goes out right after ur trim as$hole

Author:  Gigafowl [ Sat Jan 07, 2012 4:06 pm ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd


Author:  flatboat [ Mon Jan 09, 2012 11:03 am ]
Post subject:  anybody try changing their top sprocket on 35hp gdsd

Man frik all these fukin prodrives keep smokin my ass .....in my jared!! voice

Author:  deadbird8 [ Fri Jan 13, 2012 6:36 am ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd


Author:  Gigafowl [ Fri Jan 13, 2012 7:35 am ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

DB,

In his opening posts he said he had gotten a 36 tooth replacement from GD to change out
from the stock 34 tooth - do you have the math on those pulley ratios handy ???

Can anyone verify what the pulley tooth count on a stock 35 GDSD is for each pulley ???

I'm unsure but guess the stock setup is 48 / 34 @ 1.411
if that assumption is true then 48 / 36 = 1.333
or roughly a 5 % change like your example

Author:  MaXXis85 [ Fri Jan 13, 2012 7:44 am ]
Post subject:  Re: anybody try changing their top sprocket on 35hp gdsd

5.8% difference from 36 to 34
So if he is running 4400 RPMs and swaps the pulley (I assume Upper pulley cause the lower pulley is usually bigger) from a 34 to a 36 he will drop Approx 5.8% in RPMS which turns out to be 4,144 RPMs Roughly.

Making the top pulley larger is the same concept as making the bottom smaller... The closer you are to 1:1 ratio the more load you put on the motor and the Faster the prop will spin in relation to the crankshaft RPMs.

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