SRX 1108 Race Sled Buildup

valin said:
The sled is going to only weigh about 400 lbs, at most, with 270hp, and I am running a carpet track in 2000'. 150's will be easy.


Ok let me fix that.... 160MPH club here we come! That's light and WILD!
 

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hey ryan how are coming havent seen anything from you in a few days???we had our first radar run last sunday...you guys must be ready up there?
 
Our lakes are shot. We had a bit of ice, followed by a ton of snow, so they are all screwed up. We are going to have to wait for the bigger lakes to freeze and hopefully the snow stays away for a bit to build some ice.

As for the race sled....it has been over at a buddy's place having the prostock seat built, so I haven't worked on it at all. I am expecting it to be finished on Monday or Tuesday, so I will continue on it then.

I fired up the trail sled finally, and went for a ride on Friday. I ran into a few issues with it. The lighting was very dim, and didn't have a taillight. When I put it on highbeam, the sled would only pull 500rpm, and the tach went all screwy. I ended up tearing it apart and finding a broken wire that leads to the charge coil. Hopefully that fixes all the electical issues. Everything else tests out good. I'll know in a few days. I also find that is is running fairly rich on the PTO, better in the MID, and not bad on the MAG, at -17 degrees celcius. The probes were reading 1150 on the mag, which is accurate of the wash (1300 is burning very nice at my probe locations). My middle pyro is damaged (new one on order), and the PTO was reading about 950-1000, which is also accurate according to the excessive wash I was having. What is strange is that these are the readings while running on the needle (jetting for the 40.5mm bored MachZ carbs is at 400 mains, middle clip, 40 pilots). I am wondering if the electrical issue was affecting the available spark on the MID and PTO cylinders. I'll know within a few days..........when I get around to putting it back together.
 
Fired up the trail sled again tonight. The lighting issues have been fixed. I also jetted it down to 380's. I'll do some testing later in the week.
 
We are unable to run on Mud Lake any longer. The property all around the lake is owned, so it is illegal for us to drive to the lake, and park. Last year I did some testing on Ella Lake, and Joe Lake. This year all of the lakes are messed up from the early snowfall, so we are unsure where we will end up building a track.
 
Lol. Ya, but when you chew through the 1/2" of ice, it's hard on studs :) The trail sled seems to work ok so far. There's more left in it.
 
well i know whitewater is safe now. they started landing planes on it. might have to go behind the islands on the left heading down the lake for a good test spot. no camps/houses there.
 
We finally got started on the hood for the build. We pulled off the gauge console, and epoxied it and the headlight to the hood using a very strong epoxy that is used to mount bumpers on vehicles. After the epoxy hardened, we sanded everything down, and threw on some body filler to fill all the gaps so it will look like a 1 piece hood. You could see the corners of the headlight before, so we also filled all of that, and blended it all in. Tomorrow we'll prime the hood and see how it all looks.

I also pulled the suspension out of the sled and sent the track out to have it cut down to 13" wide.
 

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Here's what the hood looked like before. I hated how you could see the corners on the headlight. It just looked incomplete to me.
 

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All of the bodywork is now done on the hood, and it is primed. We used a heavy build primer, threw on quite a few coats, and then levelled it completely. We then threw on a final coat of the heavy build primer to finish it up. All we have to do now is sand it down smooth, and we will start to paint. It's going to turn out nicely.
 

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No painting today.

I picked up the track today. The guy did a great job cutting it down from 15" to 13". It ended up shaving about 2.5 lbs off of it as well, so the track now weighs about 14.5 lbs, without pics. I threw all the pics and stainless steel wear plates in it today, so it'll be ready to go in the sled as soon as I finish the lube system.

I also threw the motor into the chassis, aligned it, and bolted it down for the last time.
 

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WOW, Talk about traction. Now I have a few questions. LOOKING GOOD.

1: Why do you run the pics on the outer edge of the track. *I'm assuming you're not running any Idlers, and the Pics would be right under the rail as set up??

2: I'm just curious why you have chosen Price over Iantomasi. I mean no disrespect from this question, I know you do you dyno's with Ger and Flav and speak very highly of them.

3: What did the 1136 make for #'s over the 1108.

Nik!
 
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Nik, this is a carpet track......notice that it is perfectly smooth on the outside. It does not have clips or windows in the track. You have to install stainless steel wear plates on the inside for the sliders to run on. On each side of the stainless steel wear plate, you install a push through ice pick to hold it into place. You have to run 96 wear plates, which forces you to run 192 picks. I would have liked to run less. They are so close to the outside now because 1" has been cut off of each side of the track, narrowing it to 13".

The motor only has Price cylinders and head cover..........it was not built by Price. It was actually built my Mark Herek of Herek Motorsports. The motor is based on an SX bottom end, and has been stroked to 70mm, with an 83mm bore. I have only owned it as an 1136, so I do not know what it made as an 1108. It makes in the 270hp range. It made 263.4hp for me at Iantomasi, with very conservative jetting.
 
valin said:
Nik, this is a carpet track......notice that it is perfectly smooth on the outside. It does not have clips or windows in the track. You have to install stainless steel wear plates on the inside for the sliders to run on. On each side of the stainless steel wear plate, you install a push through ice pick to hold it into place. You have to run 96 wear plates, which forces you to run 192 picks. I would have liked to run less. They are so close to the outside now because 1" has been cut off of each side of the track, narrowing it to 13".

The motor only has Price cylinders and head cover..........it was not built by Price. It was actually built my Mark Herek of Herek Motorsports. The motor is based on an SX bottom end, and has been stroked to 70mm, with an 83mm bore. I have only owned it as an 1136, so I do not know what it made as an 1108. It makes in the 270hp range. It made 263.4hp for me at Iantomasi, with very conservative jetting.


Oh ok, that all makes sense now!
 
ryan:

the sled is looking good!
who is the track manufacturer?
if you want less studs could you shorten the ones you want to eliminate so they don't contact the ice yet still hold the plate on?

bob
 


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