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UTV's Off Road ( RZR, YXZ, Mini Buggy, Carts,etc.) => UTV General Discussion => Topic started by: dsrace on March 02, 2015, 07:01:31 PM

Title: interesting read
Post by: dsrace on March 02, 2015, 07:01:31 PM
http://www.hayabusa.org/forum/busa-mods/109948-sandrail-chain-belt-convesion.html (http://www.hayabusa.org/forum/busa-mods/109948-sandrail-chain-belt-convesion.html)

it's a shame he didn't dyno to find out loss through a chain drive center. the rev box he is replacing with this build is a tom pro rev box.
Title: Re: interesting read
Post by: fabr on March 03, 2015, 06:19:02 AM
True. I'm fairly sure the belts eat up HP . I may be incorrect tho. IMO,the idea is sound but the belts need positive protection from sand.That is lacking. I noticed he says he lightened the belt pulleys but it never is shown even on his completed drive. From what he posted the 2 of them are 40 pounds by themselves! Personally,I think it didn't work out as well as is let on,reading between the lines.
Title: Re: interesting read
Post by: Carlriddle on March 03, 2015, 07:55:28 AM
I wondered about the lack of "followup".  I was excited with the 475 hp but always wonder how to get it to the ground. 
Title: Re: interesting read
Post by: fabr on March 03, 2015, 12:29:41 PM
ditto
Title: Re: interesting read
Post by: dsrace on March 03, 2015, 04:57:50 PM
well the pics of the rail with the pipe going from the turbo directly to the intake also has a pressure switch on the side of the motor. not sure if that is water meth since he doesn't have an innercooler or nos?
Title: Re: interesting read
Post by: dsrace on March 03, 2015, 05:05:41 PM
after reading it i thought the pics of the one rail were someone elses and i was hoping to see what kind of boost #'s or some info on how he built that motor for that hp. i read some vague statement or meantion of nos but nothing more.
Title: Re: interesting read
Post by: dsrace on March 03, 2015, 05:09:56 PM
i have been considering water/meth instead of an inner cooler for the cooling effect and octane bump ( to a point) but given that these motors lack an alternator or amperage above 45 i feel i am at my limits now lol but have been considering giving up 1 of the 20" led bars and the 6" then putting the 2 4" on the nose to lighten the amp draw load. not having dead batt issues or anything i just know i am at that mark. 

so any thougths on water/meth vs innercooler and the only reason i am considering it is as not to block any of my radiator, more plumbing and the slight octane bump for pre det on premium pump fuel even though i don't trust it is actually premium lol i will not be running over 8 lbs at this time  ;D
Title: Re: interesting read
Post by: dsrace on March 03, 2015, 05:53:40 PM
another interesting read  http://www.hayabusa.org/forum/turbo/110557-boost%3Dhp.html
Title: Re: interesting read
Post by: fabr on March 03, 2015, 06:13:17 PM
i have been considering water/meth instead of an inner cooler for the cooling effect and octane bump ( to a point) but given that these motors lack an alternator or amperage above 45 i feel i am at my limits now lol but have been considering giving up 1 of the 20" led bars and the 6" then putting the 2 4" on the nose to lighten the amp draw load. not having dead batt issues or anything i just know i am at that mark. 

so any thougths on water/meth vs innercooler and the only reason i am considering it is as not to block any of my radiator, more plumbing and the slight octane bump for pre det on premium pump fuel even though i don't trust it is actually premium lol i will not be running over 8 lbs at this time  ;D
Intercoolers don't fail. Water/meth pumps do fail.Water/meth run out. If it fails/runs out under high boost,you lose an engine. Is that what you are wanting? It's not rocket science building a high output /high boost engine that will live. Good pistons and the best rods you can buy along with the usual durability stuff is all there is to it . $$$$$$ How fast you want to go?
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