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Post by muttsnuts on Feb 12, 2013 20:56:42 GMT 1
ok, phase 2 of my little quest. I've got all the parts for the PWK28 carbs now, so will get them modded and if I think on make a thread up on how to mod them etc and what parts I've used and where from I need to sort out some fibre reeds (still got steel ones in ) ), I have a few sets of them, some are an unknown make and I don't know their age either - so will probably give them a miss !, I do have a new set of Hytech reeds, but I don't know if they are any good. So, next conumdrum for you guys, which reeds to get ? Next steps are;; 1. Sort the PWK28 carbs out 2. Sort out some fibre reeds 3. Order some of Kenny's pipes and then wait............ and then back to the dyno once I have all of the parts, this time I intend taking the following approach 1. Fit the reeds and carbs 2. Set up and dyno to best performance 3. Baseline the settings 4. Fit Kenny's pipes instead of the Allspeeds 5. Dyno and set up for best performance etc 6. Baseline 7. Compare results I am now in 2 minds as to bother skimming the head or setting the squish as in stock trim its doing good power and while I appreciate I could probably unleash another 5BHP by modding the head etc, as it stands the bike should be totally reliable and best of all in stock trim barrels and head wise, which also means I can always put it back to stock dead easily without the need to strip/swap the head and barrels Anyway, thoughts, suggestions etc as always welcome......
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Post by rdorvfr on Mar 6, 2013 11:03:58 GMT 1
Hi Muttnuts, great read, very informative. It will be great to get more dyno reads from what you are planning....
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Post by Roofmonster on Mar 6, 2013 11:32:19 GMT 1
It will be great to see the results on a set of stock barrels and head too. Will be really helpful to see what "bolt on" changes make the most difference.
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Post by muttsnuts on Mar 6, 2013 11:53:15 GMT 1
well my carbs are all but ready, still not sorted any reeds but I have loads of fibre ones so I am just going to choose the best set I have, unfortunately they aren't marked up so I can't actually say what make or anything they are
In respect of Kenny's pipes, I need to sort out some funds first, so can't do that side of things, would love to, but until I've got some free cash to buy some pipes I can't do it - unless some one has a set they want me to fit on to my bike and test them for them - happy to do that if that's of interest to anyone let me know
I reckon it will be a week or two before I put it on the dyno again with the PWK's and fibre reeds
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Post by bryan on Mar 6, 2013 22:35:50 GMT 1
I have the part number for the Banshee reeds, Ill try and find it. Be careful doing barrels and head yourself without knowing whats been done to them already and measuring head volume and not just the squish. Barrels could have been machined top or bottom and ported and without the correct measurments you could wreck them. head could have already been machined and you wont know the volume. Also need to be careful on larger bore sizes that your not bringing the squish band down to the piston crown. When Ive had heads done Ive had them taken out larger than the bores and squish machined, so not just 1mm off the gasket face. Machining head and squish will sort out the massive standard squish and low compression. Programmable ignition is a good option too, as LC CDI is crap and has virtuly static timming as below but dose retard the faster the rpm is. You will get a good improvement in midrange with it as you can program alot more advance, this showes you how much more advance YPVS have and will improve the midrange alot. Curve 5 is the standard 31k curve. Here is another pic of a few of the standard curves and some myself and a few forum members use.
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Post by bryan on Mar 6, 2013 23:30:10 GMT 1
here is the port map so you can check your barrels.
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Deleted
Deleted Member
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Post by Deleted on Mar 7, 2013 0:40:16 GMT 1
since mutts has put the banshee coils on he cant fit a zeeltronic unless he goes back to a standard coil, as the banshee coils and zeel wont work together
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Deleted
Deleted Member
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Post by Deleted on Mar 7, 2013 3:38:42 GMT 1
This is a great thread. It will really give us a good idea of what works, and what doesn't. Sounds like you want the same from your LC as I want from mine, so good on you for getting this info out there.
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Post by midlifecrisisrd on Mar 7, 2013 9:24:39 GMT 1
since mutts has put the banshee coils on he cant fit a zeeltronic unless he goes back to a standard coil, as the banshee coils and zeel wont work together Oh bollock, never realised that and I just ordered a pair from Norbo 10 minutes ago. Looks like refund time Steve
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Post by speedysquires on Mar 7, 2013 9:33:56 GMT 1
since mutts has put the banshee coils on he cant fit a zeeltronic unless he goes back to a standard coil, as the banshee coils and zeel wont work together Is this the case with YPVS also??? If so will a zeeltronic work with a dyna coil or similar?
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Post by flames on Mar 7, 2013 9:34:52 GMT 1
thats a 5hit!! plannin to order banshee coils from norbs soon,but i planned on trying a zeeltronic in the future.anyone got any ideas if they work with dyna coils? ive got one of them i was plannin to use on my next project.ive got the big chunky one,not the lil diddly.if zeel will work with that,i fit one to the next bike,n fit banshee to this one.
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Wez350
Drag-strip hero
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Post by Wez350 on Mar 7, 2013 13:59:50 GMT 1
Best thing i fitted was a set of dyno coils and pwk carbs but in the end my ypvs engine had to go in the lc. On the pipes front it comes down to in my eyes do you want that old school look in a time were it was seat of your pants dyno or modern pipes for that extra few brake that i doubt you will notice on the road any way.For me it's Allspeed/Microns the look the sound and it still does 150 everywhere or thats what my arse tells me ;D ;D
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Post by bryan on Mar 8, 2013 13:55:11 GMT 1
since mutts has put the banshee coils on he cant fit a zeeltronic unless he goes back to a standard coil, as the banshee coils and zeel wont work together why cant you ues them with a Zeeltronic, dont see any reason.
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Post by muttsnuts on Mar 8, 2013 14:04:00 GMT 1
Hi Bryan, thanks for ll that info, that's all very useful, ypou couldn't email me a copy of those pictures/diagrams etc could you so that I've got them for reference in the future?
In respect of the head and barrels I know they are standard as I've owned them from new and I've never touched them, which is why I scrounged, begged and stole any I could find in case I want to go down the modified route, would prefer to screw some unknown ones up rather than my standard set !
Thanks again
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Post by midlifecrisisrd on Mar 8, 2013 15:59:39 GMT 1
since mutts has put the banshee coils on he cant fit a zeeltronic unless he goes back to a standard coil, as the banshee coils and zeel wont work together why cant you ues them with a Zeeltronic, dont see any reason. Does any one know? Steve
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Post by bryan on Mar 14, 2013 2:09:42 GMT 1
Hi Bryan, thanks for ll that info, that's all very useful, ypou couldn't email me a copy of those pictures/diagrams etc could you so that I've got them for reference in the future? right click on image and save to your hard drive.
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Post by bryan on Mar 14, 2013 2:11:46 GMT 1
why cant you ues them with a Zeeltronic, dont see any reason. Does any one know? Steve they are only a coil thats fired buy the CDI.
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Post by bare on Mar 14, 2013 18:51:02 GMT 1
Interesting.. Notably yours is wayy up on the 37 'measured' hp that an LC 350 actually produced back in the day..when tested on other than a Yamaha Dyno. Given your mods it's...erm... possible that you also managed to find/use a Yama dyno? Or.. you have found 10 extra hp?
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Post by muttsnuts on Mar 14, 2013 20:37:23 GMT 1
the dyno I am using is known for being on the tight side of BHP, its a Dyno star and used for tuning allsorts of big horse power bikes, nitro, turbo'd Busa's normally 400+bhp beasts !
John's dyno is also regularly checked against another one that's the same in the country (its a 500BHP dyno) and there are not that many in this country for bikes, so its checked regularly, its quiet possible that if I put it on another dyno it would read higher, say maybe 50BHP.
It will be interesting to see how it goes when its on next with the PWK's etc.
I had another 350LC on it last weekend and that was doing 42BHP, which is probably about right for something that's 1mm O/S on the piston.
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Post by tsa on Mar 30, 2013 12:12:20 GMT 1
I contacted Borut direct and he said the Dyna 0.5ohm coils will be fine on a Zeeltronic.
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Post by muttsnuts on Mar 30, 2013 19:14:23 GMT 1
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Post by Norbo on Apr 29, 2013 11:54:44 GMT 1
very intoresting and very helpfull
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