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 Dynamak racing mower build

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F150F250F350
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F150F250F350


Age : 26
Join date : 2011-09-28
Posts : 52
Location : Oskaloosa Iowa

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PostSubject: Dynamak racing mower build   Dynamak racing mower build Icon_minitimeOctober 12th 2011, 3:30 am

I have a big race coming up on the 4th of July and my old racer is junk so instead of fixing it I am starting fress. Picures coming as soon as I can figur out how to do it I am new. I put a 18 hp aposed twin on it and just like I did on my old one I put a bike handel brack for the gas pedal. Then I locked the front and rear ends.(by front I put two bolts in so it didn't have that flex in the front when you are going 50mph that can make you tip over prety fast.) Then it was time to speed it up I put a 10'' pully on the engine and a 4'' pully on the trany and in 5th gear the trany is 2 to 1.5. Has to be a belt and original cluch lawn mower cluch wher I race but I got mine off of a old murry.


Dynamak racing mower build DSCN0215

The moter instaled and runing.

Dynamak racing mower build DSCN0218

Not much room between the engine and the hood it was a tight sqeez to get my fingers in there.

Next is the gas pedal and exost and locking both of the axels.
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F150F250F350
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F150F250F350


Age : 26
Join date : 2011-09-28
Posts : 52
Location : Oskaloosa Iowa

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PostSubject: gas pedle   Dynamak racing mower build Icon_minitimeOctober 27th 2011, 8:52 pm

I got it done I used a bike brake like feerles.
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ferg
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ferg


Join date : 2011-10-24
Posts : 45
Location : Cheshire, England

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PostSubject: Re: Dynamak racing mower build   Dynamak racing mower build Icon_minitimeOctober 27th 2011, 9:28 pm

For the ratios and speed you are talking about you are going to have to set up steering similar to a go kart or 'direct steer'. I would also highly recommend lowering whole frame to lower your Center of gravity, making it a lot more stable.
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dangeroustoys56
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dangeroustoys56

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Age : 51
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Location : Florida, USA

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PostSubject: Re: Dynamak racing mower build   Dynamak racing mower build Icon_minitimeOctober 28th 2011, 2:04 pm

Yepper, i learned over the years stock and speed dont mix - my last scarey fast tractor was 90% stock and im darn sure it could go over 50mph . After some near misses with the ground, i wont build anything anymore w/o proper brakes, lowering, ect.
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F150F250F350
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F150F250F350


Age : 26
Join date : 2011-09-28
Posts : 52
Location : Oskaloosa Iowa

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PostSubject: lowering   Dynamak racing mower build Icon_minitimeOctober 31st 2011, 12:45 pm

It is stock highth but i lowerd the frount a little the axel is all the way up to the frame and locked steering has to stay the same and I have not had a problem yet.
I know that locking the stearing helped a lot. 18x8.50x8 tires on the back I don't remember the front ones but they are not the original front ones.
Any one have a good Idea for brackes that is cheap! Smile
The rules for were I race is stock stearing NO drict srear or I would they prefer you dont lock the rear ether but I got them to chang that one I said that they would lose me if I had to put a new tany in it. That didn't fly with the stearing tough. But I have not had a problem with it yet.
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F150F250F350
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F150F250F350


Age : 26
Join date : 2011-09-28
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Location : Oskaloosa Iowa

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PostSubject: wiring    Dynamak racing mower build Icon_minitimeNovember 8th 2011, 1:53 pm

well I got a choke and wiring done the last cuple days I think I am going to elimenat a fuse though. I put a 1988 F350 starter silenoid in it it was all I had it works.
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F150F250F350
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F150F250F350


Age : 26
Join date : 2011-09-28
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Location : Oskaloosa Iowa

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PostSubject: a little update   Dynamak racing mower build Icon_minitimeDecember 22nd 2011, 8:46 pm

I got the belts all lined up and not falling off as fast as they are going I had to put lots of guids on it. sorry for no updates for so long.
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MurrayMudder
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Join date : 2011-12-11
Posts : 42
Location : New Hampshire

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PostSubject: Re: Dynamak racing mower build   Dynamak racing mower build Icon_minitimeDecember 22nd 2011, 8:58 pm

me and my buddy made his craftsman II go 40+mph stock with just new pulleys and past 4th gear it got a little squirly and almost flipped a couple of times goin down the road haha fun stuff, he also set a track record in the modified class against mowers with nitrous in my town for the anual mower races
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F150F250F350
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F150F250F350


Age : 26
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Location : Oskaloosa Iowa

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PostSubject: a chang of plans   Dynamak racing mower build Icon_minitimeMarch 26th 2012, 8:32 pm

why didn't I look at this first I got all in to this mower and restarting fresh but guss what it is 3'' to short so I had to go back to the other frame back on the homelight frame and all is good. I need to figur out if I am just going to run a raguler clutch or a centrifical the problem is all the centrificals I see are rated at 12-13 not 18 without a govener. lookin for ideas!!
Right now I am working on making it the altumit trany. It will be welded spiders, oil filed with drain and fill plugs, and gress zerts on the spindels.

I droped my camera so I need to get a new one no pics till I figure it out I do have and ipod touch does it all work the same I just got it like 3 weeks ago and have not realy used it I don't even know if it takes good ones. How would I upload them from there?
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F150F250F350
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F150F250F350


Age : 26
Join date : 2011-09-28
Posts : 52
Location : Oskaloosa Iowa

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PostSubject: Trany update   Dynamak racing mower build Icon_minitimeMarch 27th 2012, 10:21 pm

So this is the first to second trany lockdipends what you count as a lock this one was the first welded one. I cant wait to try it out the last one I bolted and it started to brack / slip I dont know.
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PostSubject: Dynamak racing mower build   Dynamak racing mower build Icon_minitimeMarch 27th 2012, 10:39 pm

spell check is your friend... use it.

I'm out. trying to read this shit is giving me a headache.
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PostSubject: Re: Dynamak racing mower build   Dynamak racing mower build Icon_minitime

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