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Old 05-20-2014, 02:21 PM   #141
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Default Re: Bonneville & LSR Update

Made a fuck load of dyno pulls today with and without velocity stacks,air cleaners,exhaust and jetting. Best power was 55.5 hp at the rear wheels on a Super Flow dyno. Maximum torque was 46 ft pounds with 42 ft lbs from 4800-6800 rpm. The air density was 1700 ft during the test.
This engine build does not like long intakes or velocity stacks or long exhausts. Best power was #220 main jets in the 34 MM Mikuni flat slides.
This chart shows some of the runs. The aborted runs happened from a failed battery...Had a spare battery this time. The engine will pull to 7800 rpm but power falls off after 7300.
We set the ECTA class record with about 49 HP at the wheel. So we will see if 6 more HP and higher gearing means more speed.
Alp,it's always a pleasure to see your success!!!

Me on the dyno

https://www.youtube.com/watch?v=-y94Yje2lzc




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Old 05-20-2014, 03:37 PM   #142
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Default Re: Bonneville & LSR Update

That thing screams!! Impressive, big improvement in hp.
Are you using the stock oil pump?
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Old 05-20-2014, 04:12 PM   #143
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That thing screams!! Impressive, big improvement in hp.
Are you using the stock oil pump?
Yes stock oil pump about 80 psi with Redline 20/50. The engine oil never really get warmed up ..
We have to do a shoot out when your MPG650 bike is ready...The only track sort of halfway in between is the Texas mile.
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Old 05-20-2014, 04:46 PM   #144
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Originally Posted by cajun View Post
Any videos of that 139 MPH run I would like to hear that thing at speed. The last one you put up was music.
I have found a video, I shared it on my fb page here https://www.facebook.com/pages/Alp-R...5093045?ref=hl

Hey Tony that would be fun, maybe I bring mine to the ECTA event, running on smooth surface would be a dream come true for us.
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Old 05-20-2014, 05:22 PM   #145
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running on smooth surface would be a dream come true for us.
Coming home with a clean bike is an even better dream.
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El Mirage record 500 APS/PG 129.817 mph
El Mirage record 500 SC/PG 122.240 mph
El Mirage record 500 SC/PF 120.157 mph
Bonneville record 500 SC/PG 119.667 mph
Bonneville record 500 SC/PF 117.186 mph
Bonneville record 500 SC/PBG 111.494 mph
Bonneville record 500 SC/PBF 112.717 mph
Bonneville record 650 SC/PF 128.703 mph
Bonneville record 650 SC/PG 121.553 mph
El Mirage record 650 SC/PG 130.224 mph
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Old 05-20-2014, 05:46 PM   #146
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Default Re: Bonneville & LSR Update

And you can start and ride the bike in pits and up to the starting line...With no riding gear on ...ECTA is very laid back, guys run on their word ,no protesting . And there are brutal fast bikes and cars there...
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Old 06-11-2014, 04:30 PM   #147
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Default Re: Bonneville & LSR Update

Here is my new LSR frame. Purposefully designed and fabricated for high speed. While the stock frame makes you feel like you're going 140mph at 110 on this frame it feels like 110 at 140mph. Best part is that it does not shake/vibrate at all, it accommodates a wide range of balance factors.

Don't attempt to recreate design it is a very tricky geometry, bad things may happen!



You can see the new race bike at the L.A. Roadster Show this weekend. It is being held at the Pomona Fairplex in Pomona, California on Saturday, June 14th & Sunday, June 15th.
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Old 06-11-2014, 08:25 PM   #148
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Default Re: Bonneville & LSR Update

That frame looks like a beautiful, tall blond all stretched out, all the curves in the right place...
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Old 06-12-2014, 05:04 PM   #149
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Default Re: Bonneville & LSR Update

Wow that frame looks wild,great bit of fab work.
Cheers R
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Old 06-12-2014, 06:51 PM   #150
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Default Re: Bonneville & LSR Update

Thanks a lot,

Putting the bike back together for the show this weekend.
I made the exhaust set-up out of 18ga pipes, all free hand bends in one piece, welded on a megaphone.
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Old 06-12-2014, 08:14 PM   #151
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Default Re: Bonneville & LSR Update

that frame looks like its doing 140mph sitting still on the table
really nice
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Old 06-12-2014, 08:52 PM   #152
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Default Re: Bonneville & LSR Update

Gorgeous frame for certain.
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Old 06-13-2014, 06:47 AM   #153
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Default Re: Bonneville & LSR Update

Alp, I like the look of the long megaphones on your machine so I fabricated a set for my bike...I'll see if they add any power....

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Old 06-13-2014, 08:03 AM   #154
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Default Re: Bonneville & LSR Update

You guys that are land speed racing really inspire me to build something. I'm impressed with all of the ingenuity and the remarkable craftsmanship. I swear I'm going to build something before I'm 50. At 45 now so the clock is ticking and I have to find another plumbing gig. Work is slow. Anyway, thanks for sharing all the pics and ideas you throw out there.
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Old 06-13-2014, 11:38 AM   #155
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Default Re: Bonneville & LSR Update

You don't need to build something from scratch. Start with a bike, stock or otherwise and go from there. I have only basic handtools. "angle grinder engineering". That's the beauty of LSR. You don't need a huge bank account (but it won't do any harm if you ave one).
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El Mirage record 500 APS/PG 129.817 mph
El Mirage record 500 SC/PG 122.240 mph
El Mirage record 500 SC/PF 120.157 mph
Bonneville record 500 SC/PG 119.667 mph
Bonneville record 500 SC/PF 117.186 mph
Bonneville record 500 SC/PBG 111.494 mph
Bonneville record 500 SC/PBF 112.717 mph
Bonneville record 650 SC/PF 128.703 mph
Bonneville record 650 SC/PG 121.553 mph
El Mirage record 650 SC/PG 130.224 mph
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Old 06-14-2014, 06:14 AM   #156
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You don't need to build something from scratch. Start with a bike, stock or otherwise and go from there. I have only basic handtools. "angle grinder engineering". That's the beauty of LSR. You don't need a huge bank account (but it won't do any harm if you ave one).
Yes,I do all the work on the modified production Triumph shown above.We have no sponsors. It was made with hand held tools , MIG welder,modified stock parts and parts made from steel scrap. Of course money has to be spend on tires and the engine.The engine was not cheap when the build includes aftermarket performance parts and dyno time.And the track fees and travel expenses.....But all added up the money wouldn't buy a decent used Harley big twin.
And it's fun...
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Old 06-14-2014, 06:37 AM   #157
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Default Re: Bonneville & LSR Update

You guys I really dig. Trucked up Congrats mate, that back yard boogie is awesome.Keep on Truckin Muddatrucka!!
From Browny and Mr Pete.
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Old 06-14-2014, 06:17 PM   #158
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You guys I really dig. Trucked up Congrats mate, that back yard boogie is awesome.Keep on Truckin Muddatrucka!!
From Browny and Mr Pete.
Pete gave me a lot of tuning info on Brit Bike when I was building it.
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Old 06-22-2014, 12:25 PM   #159
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Default Re: Bonneville & LSR Update

OH ME OH MY!!!!!

This is some good stuff!! Can you give any more details on the FRame? Like stretch, rake and trail? I am considering taking my lil frame to the chopping block and goosenecking and raking it. Just a stock lil 400 xs. Would like to race in the a/g class in the ecta.

Then maybe come out west and play at el mirage next year...

thanks
matt morgan

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SMRacing
Dayton OH
937-902-5092

-ECTA Modified 1000cc OHC World Record Holder- OHIO MILE 129MPH
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Old 06-23-2014, 02:18 PM   #160
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Can you give any more details on the FRame? Like stretch, rake and trail?
thanks
matt morgan

-ECTA Modified 1000cc OHC World Record Holder- OHIO MILE 129MPH
Hey Matt, the rake is 39.5 , trail is 5-6" with these forks.. I designed/fabed the frame from scratch with a bolt on hardtail, there is no stretch figure but it has adjustable height & length axle plates.
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