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Sitting here at my desk, I find myself reflecting on the way this Midwest winter is playing out, and how in two weekends, I have blasted my slides down to the wear lines, in spite of the fact that the other sleds I shared the trail with are pratically unaffected. The first weekend I managed...

I finally got the chance to try out my summer project; my 06 MPI Apex. It is a stage 1, with pulleys designed to produce 9-10psi, but, with an HSK blow off valve that vents to about 7-8psi. With stock compression, 7-8 is all that I dare on 93 octane. This setup builds boost very quickly but...

http://www.accuweather.com/blogs/news/s ... the-mi.asp

With the present MPI setup, the GEMS is plumbed into the high pressure side of the system, right before the throttle bodies on the intercooler. The boost gage, on the other hand, is plumbed behind the throttle body blades, in order to read true psi as seen in the cylinders. If you can see...

Is there a way to install a map without the engine running? I must have inadvertantly altered a setting(s) while I was tuning last night with my wide band, and the motor now will not idle without a lot of throttle adjusting. So it is almost impossible to man the throttle while trying to...

I have my new wide band wired into the red/white wire in the ignition switch, to give 12 volts when the key is on, but the sensor is erroring with an E9 code,,,,"insufficient voltage for gage operation". How should I address this?

Just as the subject reads, my newly installed MPI / GEMS unit causes a code 15 84 to display. 15 = throttle position sensor and 84 = TORS. TORS will display anytime the throttle position sensor faults so I'm convinved 84 will clear upon clearing code 15. When I take the GEMS out and...

With 5200 miles on the odo, I decided to inspect/replace the exhaust donuts. I found pretty much what I expected: replacement required. Unfortunately, one titanium flange was worn through and unacceptable for reuse. So, I did what I said I would do if that happend. I eliminated the donuts...

Like the title says, a 128 will crash into your tunnel and snow flap support bracket if you do not extend it a little. (I was told that no extension was needed, but the guys on the TY give-away ride will confirm its need!) see attached images of home-made extension

I just ordered a pair of the 2011 spindles for installation in my 2006. I want to try the offset ski pivot location. Hopefully they arrive in time to install and try them before the Feb Muni ride. I will be there to report the results and continue to use them if they prove out.

I have been running the pilots for three years now, one year on the SRX and two on the Apex. I feel they are the sports best kept secret. The dual keel minimizes hunting/darting better than a traditional dually, based on the wider spacing of the cutting surfaces. The concave under surface...

Anybody get on the list to have a set made for their Nytro based short track sled? I spent some time talking with the inventor and SuperTrax magazine (who did a full test/write-up), and must say that there seems to be solid science behind the concept.

I just installed the Ulmer Oil-Lite bushings into my 06 Apex. UR was very responsive to me and I want to thank him for his speedy service. I have an observation and a question. Observtion: After reassembling everything and checking the action of the front end, I noticed that the longs...

I did a search in the tech section in the stock suspension forum, with no luck. My 06 Apex on the last ride, threw about half of its clips and a few others had that vertical tab broken off. When I bought the sled at the end of last season, I noticed that it was missing a few clips and it...

2 weeks ago I seized a mag side rod bearing in my 02 SRX (bad crank seal), so rather than give up on the season, I pulled the trigger and brought home an Apex GT (low miles 2006) last Saturday. I have been wanting one since my TY ride in Munising last year. I put on 250 miles in Paradise MI...