Trx450r turbo (kms) project - Honda TRX Forums: Honda TRX 450R Forum

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Old 02-16-2013, 07:35 AM   #1 (permalink)
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Default Trx450r turbo (kms) project

Well I just bought a kms turbo kit from a member here for a darn good price where I couldn't pass it up. Comes will everything to set up, once it comes in I'll snap pics and do research. But I know this will be a big undertaking so please be patient as I know it's gonna take time. N e info on subject would help me out greatly. But first business is for me to find another engine and chassis to start building. Drags start in may so I'm gonna try my best to get it ready for opening day but if I get it ready this season all I gotta say is watch out banshees. I n e people can help with tuning or setup notes it would be great. Thanks

Jeff
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Old 02-16-2013, 10:12 AM   #2 (permalink)
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Cool man, you ever come down this way for a race we'll have to see how that kms kit runs against my pieced together build!
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Old 02-16-2013, 11:00 AM   #3 (permalink)
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I would definitely be down to test it out against ya I know some pple will be much faster than me but itll be fun. I'm just looking for low 4's in 300 and maye high 6 in 8th. We will see I guess, this may take a while to finish though. No one around here has tried a turbo drag quad out so I'm just curious how good she will go.
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Old 02-16-2013, 11:23 AM   #4 (permalink)
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Shouldn't be no reason why you cant get down in mid 6s in tje eighth. You puttin it on a sb/ss?
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Old 02-16-2013, 05:30 PM   #5 (permalink)
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If u don't no alot about turbo stuff u should check out Maximum boost by Corky Bell it has alot of useful info. just thought i tell ya.
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Old 02-16-2013, 05:40 PM   #6 (permalink)
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Turbo knowledge = nuckingfuts. Fastest most reliable turbo Honda I've seen, real nice guy too!

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Old 02-16-2013, 07:28 PM   #7 (permalink)
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tuning is the key, I've never put a turbo on a quad but i have put one on a truck with hptuners, are you still gonna be running a carb or efi?
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Old 02-17-2013, 08:30 AM   #8 (permalink)
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So my plan was going to be sb/ss but I dont think that will be the case. I will probly make it a 500cc with port but once I talk to r.e., kms and nuckinfuts I think it will give me a better idea of exactly what I wanna build. The main purpose will be a 300ft drag quad which I hope the turbo will work good but I think 500ft would work better but there is not n e around but there is a asphalt drag way close. Thanks for the tip brenny. I think I'm going carb cuz I heard f.i. Doesn't work well with kickstart. If any one has heard different please let me know. I think I'm gonna go with a 48 lectron to start with. If any one has another carb that worked well, please share. Thanks and I'll update as I go, I found a decent priced 04 trx I'm gonna check out tonight and hopefully bring home to start the project. Thanks for the interest.

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Old 02-17-2013, 08:41 AM   #9 (permalink)
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Dont blow tru a lectron, you can draw thru and id run alky. Im goin efi but im usin one f our stand alones and kickstartin. Ive got a 50mm setup with triple pjs and billet bowl i was gonna use but since im goin efi i dont need it. Another thing with alky you might not need an intercooler if its drag only but give john a call.
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Old 02-17-2013, 09:23 AM   #10 (permalink)
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I would stick with Kelly at KMS since it is his kit. RE and Futs have a ton of knowledge too but since it is a KMS kit, it makes sense to stick with them.
Be careful on how big or how much boost you go. The Honda cases can only handle so much power before they go "BOOM". I think it is around 120HP or so. I know Kelly found the limit. I am sure RE did too.
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Old 02-17-2013, 10:21 AM   #11 (permalink)
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Old 02-17-2013, 11:07 AM   #12 (permalink)
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Cryoed cases never hurt
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Old 02-17-2013, 08:16 PM   #13 (permalink)
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I to am also looking into a Kms turbo kit and would like all the info i can get. I did call them a few months ago but never mentioned limit in boost nor hp. No one here as ever seen a turbo quad here where i live in DE there just big on trails.

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Old 02-18-2013, 09:28 AM   #14 (permalink)
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One thing you may want to look into is having your crank beefed up. Kelly at Kms can do it. Having that mod will keep the crank from flexing under a boost which will keep the cases together. There are 2 turbo bikes out there that are making 120+hp, that i know of (hondas). I would use a 48hrs carb with a power jet, or possibly a 46-48mm Lectron.
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