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Post by oldchopperguy on Jun 12, 2014 1:18:28 GMT -5
Drz,
Sounds like you really know your way around tools and fabricating! Please post regularly on your projects... And being able to make your OWN oil-cooler at cost... VERY cool! (No pun intended...).
Leo in Texas
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Post by drz on Jun 12, 2014 15:55:34 GMT -5
i did find out what was making my motor "ping" so much. it is a gy6 150 157qmj i installed 58.5 mm kit and high comp piston and did and do run premium fuel and also install the performance coil and ignition. come to find out the ignition module has to much timing advance in it ... put stock back on and running way better. So need to find the ignition module with adjustable timing or one that just removes rev limit.
Still working on oil cooler will post updates on the fabrication and how well it works... probably be about 2-4 weeks to get it totally done. waiting right now on the new case. built 4 different size "coolers" have a small 3"X3" then a larger 5"X5" and then a 6"x6" and a 6"x6" with fewer fins per inch on the tubes .... gonna see which will give me the results i want.
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Post by joaoeu on Jun 12, 2014 17:44:24 GMT -5
Did you try the performance coil with the conventional CDI?
Might as well try that combination.
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Post by drz on Jun 16, 2014 20:31:18 GMT -5
yea i did try that .... that is how it is running now seems to run best that way ....think may have to do a little work on carb jetting aswell .... did upgrade to a 30mm carb from a 24mm ..... but now thinking may be a little to much for it and need to lower the jets a little but really debating a tbi system
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Post by onewheeldrive on Jun 19, 2014 21:34:01 GMT -5
Why are the oil coolers so expensive?! Are they expensive to make or is it just because it's quite nifty so they can charge an arm and a couple legs?
If they could somehow get the cost down while still being of good quality, if possible, everyone and their brother on here would probably have one.
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Post by sasquach on Jun 20, 2014 16:09:29 GMT -5
i didnt come here for an argument i never used tiny pic today at all . Anyway there are other places where I dont have Problems Gay! |
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Post by rockynv on Jun 20, 2014 22:33:23 GMT -5
Why are the oil coolers so expensive?! Are they expensive to make or is it just because it's quite nifty so they can charge an arm and a couple legs? If they could somehow get the cost down while still being of good quality, if possible, everyone and their brother on here would probably have one. There is a bit of technology in the better ones to allow better transfer of heat and then there are the special fittings to adapt the oil screen plug if you don't have access to oil plugs already machined into the block for adding a cooler. Regular fuel line usually won't take heat nor will most transmission cooling lines so add for real high temperature oil lines and the cost just keeps going up. |
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GY6 Oil cooler
by: speed0meter - Jun 21, 2014 7:41:55 GMT -5
via mobile
Post by speed0meter on Jun 21, 2014 7:41:55 GMT -5
Thanks for bringing that to attention that some "cheapo" oil coolers could actually do more harm than good. I know this first hand. Had 1 burn up my top end so never again will I buy a cheap version
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Post by drz on Jun 24, 2014 18:50:12 GMT -5
did come across some one some where selling a kit ....almost identical to what i plan on doing ... $250... but forget where i saw it ...and google searching doesn't turn it up. closing off pressure side of oil passage and tapping into it and returning it back in on the other side of the block. the kit included a new crank case half and fittings and cooler. I still plan on building my own .... me finding that one just proved it is feasable ...lol but my cost would be the money for crank case thaselfts it to make it myself .... seen them around 35-50 for a 157qmj...... now anyone at all had any luck or tried adding oil filter system? i put about 250 miles a week on my scoot ... changing oil close to weekly ..... its cheap ...but a pain... so anyone ever try a filter? found it again link |
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Post by rockynv on Jun 24, 2014 22:45:42 GMT -5
I was considering those mods as I was changing oil sometimes twice a month on my Lance Vintage 150. In the long run I found it cheaper to buy an Italian 250 when it was on factory incentive and got the whole package with fuel injection, full flow oil filtration, water cooling which translates into 6,250 mile oil/filter changes, 12,500 mile valve adjustment checks (many times you will only have to look and they won't need adjustment) and 12,500 mile belt/roller life. Side bar benefit is better interstate manners, real automotive H7 headlamps and better fuel economy too riding on 15 inch tires with a 465 lb rider/passenger/gear capacity.
I am going past 3 years on the Italian bike closing in on the 25,000 mile mark and have spent less on maintenance than I did in 6 months/3,003 miles on the GY6 150. Makes the $2,999 purchase price seem like a real bargain now. I know many will find this offensive however with your amount of usage an air cooled GY6 150 derivitive may not be your best choice.
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