Rode a Vipec HM Turbo last night...

[Scott]

11lbs boost.

The Vipec was SPOT ON!!! Not a hiccup for the 60 minutes I rode it. I was all over the throttle and I couldn't get it to do anything except make power at all throttle positions. Hit the rev limiter twice though, no big deal. I was trying to get it to hiccup. Not once did it.

This thing really is a very neat product.

I likey.

It was HARD to hold on at that power on hard cupped spring snow. I have old callouses that blisterd from 60 mins of that. LOL

No vids, but I do have just a couple of pictures. No action shots though. Too busy with the throttle on the bars.

 

[AKSNOWRIDER]

me thinks you are just getting too old to hold on to something like that..if you want..we can detune your new pro so you wont get any blisters next season....bwahahaa..good report scott...wheres the pics?...

 

[Scott]

HAHA. Pics are on my camera...still in my truck.

It was the 240ish horse tune.

 

[LoudHandle]

Scott,

Does the HM have the lazy bottom end? Typical with the automotive turbos. I noticed at our local hill climb last month that the turbos did well in a straight line, but in the gates when on and off the throttle they were being beat by the well tuned stock sleds. It would be a similar situation when riding in the trees.

Trying to decide, Brad's big bore 910 or billet 1100, vs stock with turbo (and which one).

Did you measure your arms before and after to gauge the G's?

 

[Scott]

We got onto an interesting conversation about straight race fuel or AV gas and it's effects on bottom end performance on a turbo system. Obviously a naturally aspirated sled will have a quicker throttle response on the bottom end.
Race gas hurts bottom end performance , but obviously you need it for the top end when you are on boost.

Ideally a guy could run pump gas on the bottom end, up to about 7 pounds of boost and the save race gas for 8 and up (with a mixture of both for that 7lb boost range.

I said he needed something like the auxilary fuel tank that BOSS NOSS was using draws separate high octane fuel for the nitrous, for when it was on the button.


So I got to thinking....and asked if the VIPEC could run what would be like a 2 stage system. Pump gas on the bottom end up to a certain preset boost level....and then have a second fuel program that kicks in at a certain boost, that drew from a separate fuel tank that gives the needed octane for high boost.


The answer is YES, the VIPEC will easily support up to FOUR management programs on one application, if you wanted to.

Especially on the Dragons. You would only need two programs though. With the 4 injectors...the first program would run pump gas two of the injectors...and then at some desired, or present boost level, that 1st program tapers down and the 2nd program tapers in race gas to the other injectors. There would be some appropriate overlap where the octane needs to be a mix of pump and race gas...then the second program totally takes over for the upper boost levels.



Did I explain that clearly? Maybe pictures and graphs would help, but I don't have those. LOL

 

[gmustangt]

We got onto an interesting conversation about straight race fuel or AV gas and it's effects on bottom end performance on a turbo system. Obviously a naturally aspirated sled will have a quicker throttle response on the bottom end.
Race gas hurts bottom end performance , but obviously you need it for the top end when you are on boost.

Ideally a guy could run pump gas on the bottom end, up to about 7 pounds of boost and the save race gas for 8 and up (with a mixture of both for that 7lb boost range.

I said he needed something like the auxilary fuel tank that BOSS NOSS was using draws separate high octane fuel for the nitrous, for when it was on the button.


So I got to thinking....and asked if the VIPEC could run what would be like a 2 stage system. Pump gas on the bottom end up to a certain preset boost level....and then have a second fuel program that kicks in at a certain boost, that drew from a separate fuel tank that gives the needed octane for high boost.


The answer is YES, the VIPEC will easily support up to FOUR management programs on one application, if you wanted to.

Especially on the Dragons. You would only need two programs though. With the 4 injectors...the first program would run pump gas two of the injectors...and then at some desired, or present boost level, that 1st program tapers down and the 2nd program tapers in race gas to the other injectors. There would be some appropriate overlap where the octane needs to be a mix of pump and race gas...then the second program totally takes over for the upper boost levels.



Did I explain that clearly? Maybe pictures and graphs would help, but I don't have those. LOL

http://www.youtube.com/watch?v=tDHX9GQwQcE

Just like that ^ @ 2:30

 

[Scott]

Scott,

Does the HM have the lazy bottom end? Typical with the automotive turbos. I noticed at our local hill climb last month that the turbos did well in a straight line, but in the gates when on and off the throttle they were being beat by the well tuned stock sleds. It would be a similar situation when riding in the trees.

Trying to decide, Brad's big bore 910 or billet 1100, vs stock with turbo (and which one).

Did you measure your arms before and after to gauge the G's?

LH,
I have never been on a turbo that behaved on the bottom end like a naturally aspirated sled does. Not YET.

As for the automotive...he's still running Aerochargers. Any turbo shop will experiment with different types to maximize or learn. I suspect that Shane is no different.

Yes, in the trees (or around the gates), a turbo is a different animal than on the open hill. You have to have momentum and R's to keep the boost up. That's not always easy to do. A pump gas turbo system will do better on the bottom end that a full race set up...that bottom end is snappier on pump gas than race gas since the race gas burns slower and cooler.

I was hoping to get seat time on the 600 Pro Turbo last night, but Levi was doing a couple of things and I ran out of day light. I hope to get on it soon.
THAT might be the one to really test in the trees. I hope the snow holds out for him to put me on it.

 

[LoudHandle]

We got onto an interesting conversation about straight race fuel or AV gas and it's effects on bottom end performance on a turbo system. Obviously a naturally aspirated sled will have a quicker throttle response on the bottom end.
Race gas hurts bottom end performance , but obviously you need it for the top end when you are on boost.

Ideally a guy could run pump gas on the bottom end, up to about 7 pounds of boost and the save race gas for 8 and up (with a mixture of both for that 7lb boost range.

I said he needed something like the auxilary fuel tank that BOSS NOSS was using draws separate high octane fuel for the nitrous, for when it was on the button.


So I got to thinking....and asked if the VIPEC could run what would be like a 2 stage system. Pump gas on the bottom end up to a certain preset boost level....and then have a second fuel program that kicks in at a certain boost, that drew from a separate fuel tank that gives the needed octane for high boost.


The answer is YES, the VIPEC will easily support up to FOUR management programs on one application, if you wanted to.

Especially on the Dragons. You would only need two programs though. With the 4 injectors...the first program would run pump gas two of the injectors...and then at some desired, or present boost level, that 1st program tapers down and the 2nd program tapers in race gas to the other injectors. There would be some appropriate overlap where the octane needs to be a mix of pump and race gas...then the second program totally takes over for the upper boost levels.



Did I explain that clearly? Maybe pictures and graphs would help, but I don't have those. LOL

Your verbiage worked for me, that would be the best of both worlds, and still be reliable and ridable in the trees or on and off throttle doing the large chutes. Will be pondering that for a while.

 

[Scott]

Your verbiage worked for me, that would be the best of both worlds, and still be reliable and ridable in the trees or on and off throttle doing the large chutes. Will be pondering that for a while.

Cool. I suppose that if a guy wanted to build a fuel tank that is partitioned, one with 6 gals of 91 pump and one with 6 gals of C-112 and a second fuel pump, etc, it could be one easily.



Can you imagine having the boost of both worlds? HAHA

 

[Scott]

http://www.youtube.com/watch?v=tDHX9GQwQcE

Just like that ^ @ 2:30

I'll watch that at lunch.

 

[AKSNOWRIDER]

you need to swing a leg over a boost-it fueled turbo..word is they are better then stock on the bottom and the snap...but yeah getting around the hi-octane fuels lazy characteristics is going to be tough to do..wonder how neals fuel system on a BB would do ?

 

[LoudHandle]

Cool. I suppose that if a guy wanted to build a fuel tank that is partitioned. One with 6 gals of 91 pump and one with 6 gals of C-112 and a second fuel pump, etc, it could be one easily.



Can you imagine having the boost of both worlds? HAHA

That could be done very easily, CF tank with a length wise baffle in the middle and two fill caps, twin pump assemblies. Would definitely justify the cost of a Vipec in my opinion.

 

[Scott]

That could be done very easily, CF tank with a length wise baffle in the middle and two fill caps, twin pump assemblies. Would definitely justify the cost of a Vipec in my opinion.

Yep. We talked about those C3 tanks. LOL

 

[Scott]

you need to swing a leg over a boost-it fueled turbo..word is they are better then stock on the bottom and the snap...but yeah getting around the hi-octane fuels lazy characteristics is going to be tough to do..wonder how neals fuel system on a BB would do ?

I have heard Brad Wursten has said on here that he's working on the Vipec for his big bores.
Would be a SWEET deal.


What I like is how once you have the Vipec dialed (which Shane Hart will do FOR you), you never have to adjust boost or cluthing or ANYTHING from sea level on up. It self-corrects every thing. You don't look at A/F, EGTs, boost or fuel pressure or anything. It's all done internally and self corrects. No need for gauges.

I have not been on a Boost-it system yet. Have not seen one locally at all. I would like to get them side by side, boost for boost with Shane's set-up.

 

[LoudHandle]

May have to buy the large trail tank and pull a mold. They say build it and they will come. We will see.

 

[Scott]

May have to buy the large trail tank and pull a mold. They say build it and they will come. We will see.

Funny you say that. Shane has a trail tank on the sled I rode last night. HAHA

 

[4Z]

Vipec is the real-deal. The Fastrax shop Pro has one on it and now is getting the PA big bore as we speak.

 

[diamonddave]

Is/was the det sensor being utilized with the Vipec???

 

[Scott]

Good question.
I don't know if it was last night, we didn't talk about it. BUT, I THINK that it was.
I will find out.


I know that it will be, of course, utilized for the end-user/consumer.

 

[Scott]

http://www.youtube.com/watch?v=tDHX9GQwQcE

Just like that ^ @ 2:30

YEP YEP YEP!!!!!