VFJ is making some new std bore kits.



Vfj bbk kits - Kawasaki ATV Forum

70 rwhp with std bore would be cool have to what and see what happens


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www.fuelutv.com

John is the man. You can bank on any thing he does. Buy american.

Shouldn't be a problem,he got 71rwhp out of one of my 715cc kit in a V-Force the other day with stock 32mm carbs.

Seems weird to me to promote your competition

I don't look at it as competition,his stuff is going to be high dollar. He told me his cost on pistons is $20 more the what I sell mine for.

What's weird is Chine-O- Ray selling China cast cams welded and ground by Megacyle using their specs and calling them his. This comes from a guy that says I copied his cam with my stage 3's. The funny thing is like John said none of his cams made power,while my stage 3's have made good power for 8 years now and these Megacycle cams Ray says are his made about the same power as my 8 year old stage 3's. And as I told you I have 2 new sets of my stage 3's to test that I'm sure will make 2-3 more hp on my 840's and up kits.

Music to my ears. Saving up now to buy a FST 840.

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2008 Teryx, STI HD2 wheels, Muzzy dual exhaust, Dasa intake and filter, Dynatek CDI with NGK iridium plugs, Vapor Trail Tech computer, Dalton OD clutch cover, high flow water impeller, Muzzy radiator fan, Custom Creations front bumper, 4 seat cage with doors, PRP seats with 4 point harness, HID headlights, & black plastics all around

The FST840 runs strong I have it in my car and love it, I'll go higher compression next time.

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09 Teryx Sport

And I'm interested in new stage three cams as well

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09 Teryx Sport

Lets get ready to rumble. I dig my Vforce clutch can wait to see what these kits will do. Competition is good for the sport

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2010 Sport, XMF 4 seat cage with roof and XMF doors, XMF +5 LT, Beard seats and 5 points, Skats in back Dune Stars up front, Muzzy pros, MSD and VForce stage 3, 40" Rigid bar, 10" Rigid amber on an LIT bumper, BRP pod and gauges and Custom blanket in the back for my girls, courtesy of Gramma

I fly this black and pink flag for our mothers, daughters and wives.

The problem is going above 11.5:1 you should run race gas,not too many people want to do that. You will have some builders say 12:1 can be run on pump gas,and while that may be true you better have everything perfect every time you ride. On the east coast the weather changes 2-3 times a day let alone every week,so if you want the high compression of a race motor be ready to tune it like a race car. I believe in building them so even if you are not 100% tuned for the day you can get away with it and run pump gas. Be careful in what you buy,there are a lot of people getting into this market that have not had the time to test what works vs what will live in the long run.

If you already have my stage 3's 2-3 hp isn't worth getting the new ones if they do what I think they will. I made them for our 920cc stroker motors. I have had them since 7-11 but because I am working on the stage 4 race stuff and my 1100cc kit I have not tested them yet. I move too slow,I know,trust me I know!lol

The cams John tested were in a Fundy std bore 09' Brute and made 61.5 hp. I have not run my stage 3's in a std bore because I think they are too big. But my stage 2's made I think 58hp in LUVTHEMUD's Teryx that John mapped for me.Our stage 3's make 5hp more then our stage 2's in our 715,730 and even our 840 kits,so they should make at least 63hp in a std bore. John said he dyno a 4 year old 730 kit of mine with just the stage 3's and no porting last night and it still made 66hp. I just don't think my stage 3's would pull a big Teryx around like the stage 2's do even if it makes more hp. That's why I don't like HP numbers,they mean nothing unless it works on the ground. That's why I sold my dynos,both rear wheel and crank because my BUTT dyno serves me better.I still like going up to John's and dynoing stuff just to make sure my butt dyno still works

LOL, 70+ HP std bore was years ago, LOL

Long Travel Industries ran one of our std bore kits on a chassis dyno a couple years ago in a Teryx at 72 or 73 RWHP, on a chassis dyno that show's 26RWHP on a stocker.
Not that RWHP tells you anything and Long travel know that but they just wanted to see what they could show so they set up clutching and jetting for the dyno. The clutch and jetting setup didn't run even close to the setup that made 64RWHP.
Put it this way, I built and dynoed a motor here years ago. Just a basic 730 with stock carbs and heads and it made 91 or 92 HP on the engine dyno. I put it in a chassis and on our chassis dyno, which we normally don't do as it's a waste of time other then roughing in your jetting if you don't have an engine dyno, but this motor was going to a customer who was going to take it to VFJ for us to have it dynoed on his chassis dyno.
It made 62 and change RWHP on our chassis dyno and then it made just under 64 RWHP on John's dyno.
That basic 90HP engine kit ran 5.2's-5.3's in 300ft for pretty well everyone in trail form including that one.
Then we starting making better cams, pistons ect and more HP at the engine, running way quicker drag times but you don't see higher RWHP. What make a CVT driven machine fast is PEAK HP, what make big RWHP numbers is low RPM power.
John say's the best cams we ever made were our old Ultimate Trail cams at 0.355" lift and 236 deg duration at 0.050" and they probably were (THE BEST CHASSIS DYNO CAMS) we made for small bore's as they were the smallest, LOL
Ray

Well as long as the guys changing from stg 3 840's to our stg 2 std bores are gaining over half a second in drag races and eating everything else up in the dunes, I think we'll keep doing what we're doing, LOL
You just keep dreaming about chassis dyno's, since you already know that doesn't work, or did you forget again. If so I can post your thought's on engine vrs chassis dyno testing, LOL
Ray

I don't want either of you to take this the wrong way but damn, I have talked with both of you and both of you have lots to offer and both have good service and both build motors that make good power but the last thing we need on this forum is another "My D--K is bigger than your's" thread.

Don't worry about that,I have seen too much of his BS over the years I don't even get into it any more. John's dyno work has been a good benchmark for the past 8 years and hasn't changed so it's dependable.