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Showing results 1 to 14 of 14
Search took 0.01 seconds. Search: Posts Made By: leftturn31
Forum: Indiana Open Wheel Forum 3/14/17, 9:50 AM
Replies: 10
Views: 3,922
Posted By leftturn31
Re: Cheaper HP for gsxr750 in pulling tractor

I bought the 05 750 as a long block for $700. I plan on putting that in and retuning it. I will run that this pulling season. So I will have the 03 on the bench. Would the horsepower gain be worth...
Forum: Indiana Open Wheel Forum 3/8/17, 3:32 PM
Replies: 10
Views: 3,922
Posted By leftturn31
Re: Cheaper HP for gsxr750 in pulling tractor

I do have Methanol injection. I built the setup myself using a Yoshi engine management system and a wego III that data logs AFR, RPM & Throttle Position. I just can't afford to do aftermarket high...
Forum: Indiana Open Wheel Forum 3/8/17, 1:06 PM
Replies: 10
Views: 3,922
Posted By leftturn31
Re: Cheaper HP for gsxr750 in pulling tractor

No it's against the rules. I ran 13% Nirtomethane in this motor but they outlawed that too. lol
Forum: Indiana Open Wheel Forum 3/8/17, 12:12 PM
Replies: 10
Views: 3,922
Posted By leftturn31
Cheaper HP for gsxr750 in pulling tractor

Was wondering if anybody has ideas to give my 03 gsxr750 a boost. The engine is in a mini pulling tractor and I typically run between 9k to redline. the engine is stock inside but I converted it to...
Forum: Indiana Open Wheel Forum 4/18/14, 10:46 AM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

I was going to ask about the timing because the fuel box I'm using does have timing control built in. So should I add 3 deg. on the whole map or if I'm just using 8-14k just do it there? On the...
Forum: Indiana Open Wheel Forum 4/18/14, 10:25 AM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

So my best bet is to just tune everything to 4.5. Then idle at 5.5-6 to build some heat before the run? What does a normal methanol plug color look like? I'm using the NGK double ground strap plugs...
Forum: Indiana Open Wheel Forum 4/18/14, 10:02 AM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

Thanks again. With all your knowledge you said 4.5-5 ratio. Should I start with the 4.5 and work down to 5 after some runs watching temps. to make sure they stay the same or slightly rise during run...
Forum: Indiana Open Wheel Forum 4/17/14, 11:45 AM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

Thanks. got the new alum banjo last nite and machined a solid lugnut to act as a cap over stud to crush washer. $2.00 vs $20 from Porsche need a few fittings coming Fri. then should be ready to fire...
Forum: Indiana Open Wheel Forum 4/16/14, 3:58 PM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

Everything in the system is stainless steel or anodized alum. it will never sit more than 2 weeks between runs and I will prob. start once a week. the banjo bolt is the same as any car brake fitting...
Forum: Indiana Open Wheel Forum 4/14/14, 10:17 AM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

1 more question I'm using a bosch 044 pump similar to walbaro but has 1/2" inlet. On the outlet side it has a banjo stud with a check valve should I run it that way so the methanol stays in the rail...
Forum: Indiana Open Wheel Forum 4/8/14, 3:54 PM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

Thanks for your help!
We only turn left off the end of some tracks. :6: I use to run a Wissota super before I married and had kids!
Forum: Indiana Open Wheel Forum 4/8/14, 9:27 AM
Replies: 17
Views: 6,640
Posted By leftturn31
Re: New to methanol powered motorcycle engine!

I got the right injectors from Ryan Greth billet rail SS filters and tuning computer so I should be good there. The oil cooler is the type that looks like an aluminum can about 3" diam. bolted to...
Forum: Indiana Open Wheel Forum 4/7/14, 5:26 PM
Replies: 17
Views: 6,640
Posted By leftturn31
New to methanol powered motorcycle engine!

I'm converting my 03 gsxr750 powered pulling tractor over to methanol and can't find to much info on what kind of engine oil to run and how often to change it. Hoping some mini sprint guys could clue...
Forum: Indiana Open Wheel Forum 2/22/13, 5:04 PM
Replies: 1
Views: 1,888
Posted By leftturn31
Need injection help for GSXR 750

I'm working on getting more power out of a 03 GSXR 750 engine that i've installed in a mini pulling tractor. I'm hoping the mini sprint guys on here might have some advice on maybe using a mini...
Showing results 1 to 14 of 14





 
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