Pretty quite in here…🤔
What’s your Dragy times for a stock ECU, stock ride height, Stock gearing, trail stud BOOST ?
2024 VR1 BOOST 137”’skid, 1.352” Cobra, 2 1.83” triggers per row in the center and 1.63s on the outside every 2nd row.
Jaws trail Silencer as well.
This is my best run but steady high 6:8s 6.90s
I can’t say for sure I ran the full 1/4 mile as I didn’t have it marked off.

Looks like you let off just a tic before the 1/4 mile, you were probably down a mph because of that.

 

Yup pretty sure that’s the case.

 

That’s running pretty much right on the money. tad slow to the 1/4 but that maybe just that you let off early.

 

Yup that’s why I mentioned it.
I noticed looking at that screen shot the MPH was slow for 1/4 mile

 

Btw dragy times are very accurate. My drag car will run 3.90 in the 1/8 and the dragy is always within.03 and 1mph of the clocks

 

What's your drag car? What part of the country you in?

 

Not many willing to share dragy numbers.

Anyone have any fast modified Boost dragy slips?

 

how do you post pics? I will try to post some new pulls Monday on the boost. my Boost is geared for very short trail pulls from corner to corner. It won’t go past 119. My best 1/8 mile mph was 117.7. It out runs the Yamaha to about a 100 With the 400hp tune in it

 

All you do to post pictures is select the paper clip icon and select photo library when it’s selected.

 

Being old and not hip to all this techno chit. Just got a smart phone last yr and had to have my grandson show me how to use it and he is 8yrs old

 

not fast but it’s coming along. I have no idea where it would be with traction on ice. Way faster than this . I’m shocked looking at my dragy runs how much traction can kill mph in a sled. Much different than car drag racing. Even getting partial traction I gained 5-7 mph in the 1/8 and 1/4

23 boost 129. 96 octane bcm tune with weights. Stock otherwise. 250 lb rider. 1.3 cobra. Uphill on a dirt road with 1-2 inches of snow. Hard underneath. I’ve got 165 1.63 angled triggers and I still wasn’t even partially hooking until after the 1/8. I wish I could because I think I could probably hit 120 in the 1/4 on a good surface. This was the only run I even managed to partially hook. On this run even past the 1/8 i could still feel it skating and hooking/jerking the bars in my hands.

is something wrong with my setup or is a hard dirt road a tough surface to hook on? I haven’t tried ice yet but it hooks pretty hard on hard pack trail. Starting to think penetration is difficult on frozen dirt? Also contemplating 1 inch track next year with even a bit more past the lug than I have now.

 

dbl post

 

The better the traction and quicker you get off the line the faster the sled will go most times. It’s completely different than car racing because of the clutches.

 

in your experience is a hard dirt road tough to hook on? Getting frustrated

 

It’s definitely not gravel. Frozen dirt with thin layer of frozen snow on it. To me it looks like it’s just too hard of a surface. That or I need more penetration. Idk. I haven’t messed with the suspension much

I did manage a 1.76 as my best 60. Running in the same spot I had chewed up with several attempts . But I still just lost traction again about 100 foot out and only ran a 7.1. 1/4 mile ended up even worse by the end. That’s how bad it spun long after launch . The one run I posted had decent mph i felt the sled fully hook for a bit after the 1/8 as it about pulled the bars out of my hands. But that run is still nowhere near what it should be / is capable of

 

Those times I posted above were on the lake with maybe 2” of snow.
I found a few times the same thing you were mentioning that it felt like it was slipping.
It’s prob that the trail studs will not hook as well as chisles on ice and actually break traction.

 

if it’s all out traction chisels are the only thing to use. I can go 1.09 6oft with the boost. To run those 60ft time I had 18x37 gearing with 2.86 drivers 10 tooth anti ratcheting. Cut off track lugs with 300+ titanium chisels.

 

 

On vanilla ice ice. 20hp tune.

 

I’d love to see this boost cutting 1.09 60’

 

Changing tracks sucks. It has the arrow track on it right now. Will pull 1.30s with this track and clutching. That clutch engagement was 5600 also. its about 50 pounds lighter then a stock one.

 

Changing tracks sucks. It has the arrow track on it right now. Will pull 1.30s with this track and clutching. That clutch engagement was 5600 also.

How are you recording these times ?

 

100‘s of dragy times And timing lights. It’s faster on ice then it is on cement or grass.

 

Post a pic of a 660’ time or hit the upload button in the app.

 

When we post times and leave out all the details it not fair to the reader. The stuff done to this sled is way beyond what most think of. i spend 100 of hrs making titanium and billet aluminum stuff on the cnc. Well I should say my kid programs it and I run it lol. We make rods, piston etc etc. carbonfiber rails. Bearings that cost 200 bucks a piece in the drive systems. I’m retired professional race car engine builder and fab guy. My brother is a mechanical engineer with a phd the thermal dynamic. Worked for skidoo for 27ish yrs

 

That’s all standard stuff in the racing world. Nothing that you have described yet would have a boost running a 1.09 60’

 

standard hmm ok. Like my brother hyperMotorsport 800hp is nothing also. Cool.

 

Time slips or it never happened ….Oldman70

 

Lol. then it never happened.

 

So it didn’t happen!

 

been around racing for over 40yrs. Nothing I post or say will make you happy. The only way this get solved is I do it right in front of you under the perf condition. It 60ft 1.12-1.14 must the time with the best of 1.09.

 

I’m kinda curious about the old

Nah, you’re wrong. I think we’d be grinning if you were able to post some pictures.

 

Well where at it so you can pile on and assume I’m lying the sidewinder been 169.7 on a radar gun,

 

i cant defend myself without my kids iPad with all the dragy stuff. I have one old dragy time on this iPad sitting here. That time won’t Make you any happier. I don’t really care to old to care lol

 

Correct we really don’t care . Are you from NH ?

 

In the meantime, while you're getting the picture situation figured out let's hear about the 2019 XCR with the 930 NA making 251hp???