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Month of September

Sat 9/2 still have HTG's IQ600EFI on the dyno, just received a Bikeman modded stock single via UPS today, will test tomorrow, were promised a production DynoPort single w/ temp sensor bung hope that shows up as well. Rob Schooping is coming to see final dyno tests,...

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Hardcoresledder-no more for me

I've gotten inquiries from DTR subscribers about my absence from Hardcore Sledder. For a few years I was a banner advertiser on HCS, and the last time it expired I was a few weeks late with my check, no arguments there but instead of calling me (my phone number is on...

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Month of August

STOCKERS WE SHOULD HAVE WITHIN 30 DAYS: Fusion EFI, Phazer, Cat 1000 2 stroke.8/7 Monday 10 AM  Derek LaPorte Boondocker tuning an F7 Improved Stock. I love to tune Boondockers--Derek's homebrew 700 Improver took about three hours to hook up all flowmeters/ dyno...

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Month of July

Tuesday 7/18 finishing up Billy Howard's Bikeman big bore Mach Z twin, cast cylinders, 1250cc. Crankshop quiet can big bore twin pipes, Boondocker tuning. Last session last week was over 156 lb/ft CBT and 230 CHP (should have had cameras on, but Billy wanted private...

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Month of June updated

I'm planning Tuesday 6/6/06 to post lengthy dyno results from Shylock44's Fusion 600 with pipes/ airbox mod/ VForce 3 and four petal reeds, and a cut head. Also I have a session where Rich Daly from DynoPort, after he heard his Fusion 600 stampings were not so good,...

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Month of May updated

5/4 Thursday, Erich Long Bikeman dyno testing 06 Rev800 stock and with Bikeman single pipe stock muffler, fit under stock heat shields. Also Bikeman trail port 06 Rev800 with Bikeman pipe. Tonight 5/8 I'm baching with my seven year old son Marty while his mom goes to...

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Stock sleds needed for drive belt testing

I'm in the process of putting together a dyno test program for aftermarket snowmobile drive belt performance comparison.The concept is to take a stock sled, dyno at crankshaft like we usually do, then install drive clutch and driven clutch, slide the sled forward on...

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Week of 4/9/06 and beyond

4/9 Sunday AM Jimmy and Lynn Cooper dyno tuning a HTG prostock 1000 That was John Cleveland's Price stock stroke 990ish XCR triple w/ Jaws pipes, those of you who watched saw a classic tuning session jockying MSD timing, Lectron jetting wound up with 253 HP.4/11...

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week of 3/26

Only dyno scheduled this week is Thursday 3/30 10 AM, ProX800 ported with SLP twin pipes, XC600/660 big bore I think SLP ported, 3 sets of twin pipes to test, several CDIs.Finished both sleds in five hours, 800 made about 170 HP, 660 close to 150 but the 660 pipe...

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week of 3/19

Thursday 3/23 3:00 pm, dyno tuning a troublesome XC700 stocker w/ SLP pipes Internet connection disabled by lightning, cameras should be running again tomorrow. XC700 was dialed in, jetted timed perfectly, plus took off loud can put on stock muffler added 3hp.Friday...

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weeks of 3/5 and 3/12

Monday 3/6 AM more testing on yamaha motoctross bike w/ aftermarket silencer.Mon 3/13 nothing scheduled from here on out. Jimmy Cooper planning to stage tune a sdi600 this time with lower compression and added timimg plus we can dial in the Skidoo sdi600 shootout sled...

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weeks of 2/19 and 2/26

I forgot to mention on 2/14 we spent four hours boondockering (and installing a key) with Sam from South of Detroit, a Bikeman F8 with BM single and stock muffler came up with four beautiful Boondocker fuel curves, HP from 155 to 161, posted power/ fuel curves on...

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