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 Can you mod a mower with a 16.5hp Briggs to go fast?

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redneckcarrow
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PostSubject: Can you mod a mower with a 16.5hp Briggs to go fast?   Tue Jan 29, 2013 7:48 pm

can a 16.5 briggs push a mower to around 40 mph and still be able to trail ride with gov attached have a 5 speed transaxle to go with it
i know the safty concerns upgrade brakes steering and etc
i know most peaple lock the front but i have other ideas about a suspension for the front and rear
for my idea for the rear google tomcar and check out the website drove one of these in alaska it was a blast
the front maybe something like the twin i beem on the old ford pickups

might have posted this in wrong area

later redneck carrow
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TheRainbowBoxer
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Tue Jan 29, 2013 9:01 pm

With a 5 speed you could readily do 40 and still trail ride with that size engine. We ran forever on 11-14 hp engines and split time going fast with going through trails.

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Chopperhed
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Tue Jan 29, 2013 9:02 pm

16.5 hp at 3500 rpm or so should be able to hit 40 or so, but your low gear won't be so low anymore.
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AcreFarm
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Tue Jan 29, 2013 9:59 pm

My mower in semi-original form would top out at 35mph and still had enough low end for trail riding. That was with a 12hp (Not governed) Briggs and 3 speed Foote transaxle on 18" tires.

You should have no issues getting that speed from that engine/trans... you've got more power and a better transaxle than I had at the time.
Setting up a good, working suspension is a different animal all on its own.
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redneckcarrow
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Wed Jan 30, 2013 5:37 pm

thanks guys thought it might
still working out the suspension in my head but getting close i think try to use things i have laying around the garage
now all i have to do is wait for the weather to warm up (live in maine) to attempt this
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Thu Jan 31, 2013 7:38 am

yeah dont expect to be able to haul heavy loads around in a low gear but you'll be able to get 40mph with what you have.
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Thu Jan 31, 2013 10:42 pm

Most of the lawn tractor have nylon busting in the front tire, you'd be much better off with barrings.
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Thu Jan 31, 2013 10:44 pm

yeah ill be doing that on mine for sure.
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Thu Jan 31, 2013 10:47 pm

Make sure you get unground bearing, (they have a lip on one side) f you do, keeps them from wobbling in the rim, and they look good as well.
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dangeroustoys56
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Sat Feb 02, 2013 5:54 am

I ran a 14.5 OHV governed briggs on a 6 speed murray 'shift on the go' , 6" pulley on motor and 3" on trans - with all stock wheels, that got me around 20-25 MPH - i wasnt happy with it.

I put a 18.5 twin opposed ( governered) on it with 8" tires all around - it went insanely fast , way too fast for a near stock tractor with no brakes - i was hitting around 30-35mph in 3rd - and that was a handful - never did go over 3rd to see what top end was, had my hands full trying to keep from crashing.

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CornishMorgan
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PostSubject: Re: Can you mod a mower with a 16.5hp Briggs to go fast?   Sat Feb 02, 2013 6:04 am

dangeroustoys56 wrote:
I ran a 14.5 OHV governed briggs on a 6 speed murray 'shift on the go' , 6" pulley on motor and 3" on trans - with all stock wheels, that got me around 20-25 MPH - i wasnt happy with it.

I put a 18.5 twin opposed ( governered) on it with 8" tires all around - it went insanely fast , way too fast for a near stock tractor with no brakes - i was hitting around 30-35mph in 3rd - and that was a handful - never did go over 3rd to see what top end was, had my hands full trying to keep from crashing.


sounds dangerous but fun Razz
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