1250 kit info
As said by cHarley no gearing change = no theoretical change in top speed. I agree that wind resistance takes down top speed due to lack of power, but on a dyno (no wind) the top speed will be the same after power changes. Take a stock 96 and your 120 and put them on the dyno and run through the gears I can guarantee the top speeds will be close to the same. Your's will just get there faster and easier = a more fun ride.
I could most definitely make any power motor go as fast as I want with enough gears. Why do you think semis have 18 gears? They would have to have massive amounts of HP (which they do not) to get up to speed with just 5 or 6 gears.
I could most definitely make any power motor go as fast as I want with enough gears. Why do you think semis have 18 gears? They would have to have massive amounts of HP (which they do not) to get up to speed with just 5 or 6 gears.
By your logic, every race team in all of history, would, rather then use all their resources to exploit every last drop of HP out of a motor, just put the highest gearing they could cram in their trannys. Funny, I haven't seen any 400mph NASCARS in a while. Damn, imagine the fuel economy they would get if rather then building high HP motors, just build say a 100 HP motor. I mean really, you could just work your gearing magic on it and it would run say 1000 mph. (maybe you could put a 50- speed tranny in it!) It would be so fast, that even though it would take quite a while to get up to speed, once it did, it would pass all the other cars when they went into the pits for fuel. You are an engineering genius! (Honestly, this is getting like Mike Tyson beating up an invalid)
So, I task you braniac. Show me. Show me your 200 mph 20HP machine. Google awaits you. Or better yet, put your money where your mouth is and build one yourself. I just can't wait for you to solve all of the worlds problems when you develop a vehicle with gearing tall enough to make 200 mph from 20 HP.
In all seriousness, I'm just messing with you, please don't take anything as a genuine insult. Just good natured ball busting.
Last edited by dgdamore; Jun 2, 2012 at 01:55 PM.
Thread Starter
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Tourer
Joined: Sep 2008
Posts: 474
Likes: 1
So, just jugs and pistons will give me a good boost. What would the total cost of parts be? Also, on average, how many hours of labor am I looking at for a shop to do it? Think I may test ride a dyna this week and see if it's worth all the extra money or if I should just stick with my Sporty and do the basic 1250 kit to start.
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Tourer
Joined: Sep 2008
Posts: 474
Likes: 1
One more question for NRHS. Would I need to make adjustments to my clutch (new clutch or spring) with only the 1250 kit and no head work. I think I was reading on the XL forum that guys were finding the stock clutch wasn't handling the increase in power. Not sure if they had head work and cams.
Intermediate
Joined: Apr 2012
Posts: 40
Likes: 0
From: whittier
So, just jugs and pistons will give me a good boost. What would the total cost of parts be? Also, on average, how many hours of labor am I looking at for a shop to do it? Think I may test ride a dyna this week and see if it's worth all the extra money or if I should just stick with my Sporty and do the basic 1250 kit to start.
-1250 kit
-top end gasket kit
-set ring end gaps and assemble pistons
-cam cover gasket
Labor cost $600 kit and cams installed
Road Captain
Joined: Apr 2012
Posts: 523
Likes: 0
From: Chicago
Doing the labor would be free, as I can easily do it
dgdamore, this is just me being a smart *** and chiming in, since no specified vehicle was stated with a 20hp motor to do 200 mph, heres a vid of an rc car doing 200mph. I doubt a motor that small even makes close to 20hp too.
http://www.youtube.com/watch?v=T31juxlQuGA
http://www.youtube.com/watch?v=T31juxlQuGA
Thread Starter
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Tourer
Joined: Sep 2008
Posts: 474
Likes: 1
So, you did cams without head work? I'm looking at $70/hr labor. Was it around 8-9 hours to do your 1250 kit? Keeping costs under $2k would make it more a more likely route.
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dgdamore, this is just me being a smart *** and chiming in, since no specified vehicle was stated with a 20hp motor to do 200 mph, heres a vid of an rc car doing 200mph. I doubt a motor that small even makes close to 20hp too.
http://www.youtube.com/watch?v=T31juxlQuGA
http://www.youtube.com/watch?v=T31juxlQuGA
Road Master
Joined: Aug 2011
Posts: 858
Likes: 17
From: victoria bc
So, just jugs and pistons will give me a good boost. What would the total cost of parts be? Also, on average, how many hours of labor am I looking at for a shop to do it? Think I may test ride a dyna this week and see if it's worth all the extra money or if I should just stick with my Sporty and do the basic 1250 kit to start.
https://www.hdforums.com/forum/sport...i-version.html