sminsta
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Hi guys, I'm after a Novarossi or an OS carb to fit my LRP .28 spec 4 as the XTEC carbs are garbage! Or even a broken engine I can salvage the carb from! Any help would be appreciated, I've searched high and low and cannot seem to find one (understandably)! Appreciate your help. Chigs
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Hi, I managed to get it to idle yesterday, possibly a little high but seems to be happy! I reset all the needles to factory and richened the LSN slightly more and backed off the idle needle even further. Hopefully it stays happy now, just needs a tune. Although it bogs under acceleration and cuts out from time to time I'm going to have a play around either during the week or over the weekend.
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So after some tinkering I got the below result! Engine pings and then settles after very minimal throttle. I know the air filter is off that's only because I was setting the idle gap and was only ran for the duration of this video. The second video is after it was warm and it still doesn't idle. I can only assume this is clutch related even though I've tried everything to do with that now. It sounds lean but setting are all rich. Clutching at straws now lol, I may have to take it to a shop if I can't figure it out and pay them to sort it.
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I wouldn't say that was normal. A friend and I had an old hyper 7 running very rich and that lasted much longer!
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So after trying to have a bash today and installing the new clutch and 1.1mm stiff springs this is the outcome. Even more baffled to say the least, this time the buggy ran away with itself and adjusting the throttle trim on my controller makes it die. It is running very rich as said previously, I've tried to lean it out a little but no real changes. I may try switching the shoes around tomorrow and see what happens but this is becoming very frustrating
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Finished making up carbon shock towers and diff plate and steering arms. Not bad for using a drill and a dremel All transferred onto a brand new chassis, just waiting for a clutch to turn up tomorrow and then to set up my new radio gear and hopefully get a bash in tomorrow
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Sorry for the lack of response, I got a bit carried away with making some carbon shock towers and centre diff plate! I took the clutch off yesterday to install new springs (which don't fit, great!) But I have found that the springs were also rubbing on the inside of the clutch bell although they were installed as they should have. I have ordered a fastrax aluminium clutch shoe and spring set for tomorrow! I may even try and change the orientation of the shoes so that they engage at a higher RPM. Looking at the wear I would have thought these are engaging way to soon?
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Thank you all!
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Nice one dude! Looks ace! Had a little idea for when my buggy clear shells are in stock and wanted a purple that was deep like that, thanks mate
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Yeah that's it, my buggy itsn't really a race buggy like the mp9 or the mp10 so I keep mine slightly rich too! The spring in there at the moment are a medium spring, so maybe a stiffer spring will solve it like yours. This is the only paint with nitro haha lots of tinkering but the rewards are endless. I'll have a play around probably tomorrow or during the week as I plan on rebuilding the diffs hopefully with an update. I'll try and post up images and videos as I said of it currently and after the rebuild etc and new spring during the week a comparison if it's not solved
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Ah yes that's exactly what mines is doing. Noticed you are having to stop the buggy from rolling and the stiffer springs that you used solved the buggy moving on idle? Yeah I get plenty smoke at the moment as I purposely left it rich as the engine is fairly new (break in is done) just don't wanna start making it scream straight away. Again, thanks for the response! I'll take everything on board and have a play with some images and videos to follow.
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Sweet, I'll take this advice on board and have a play around in the garden (abiding by the rules and all that). I'll reset everything again and start a fresh. I've had nitro buggies before and never had this issue before, always been fairly straight forward and all idled correctly and tuned nice. Very strange to see this for the first time! I'm going to playing with real cars today especially and try and finish the job and hopefully, get a video of what it's currently doing and get some pictures of the buggy with how it's all currently set up. Thanks for the response too! Wasn't expecting anyone to reply to quickly
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That is beautiful! How did you go about getting the purple so deep or cadbury like?!
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sminsta changed their profile photo -
Hi all, hope everyone is doing okay given the current climate! Just a little background, I have been in the hobby in and out over the years. Had a fair few buggies, on road, electric and nitro. After many years away I had the urge and bought myself a HPI Trophy 3.5! New to some areas and have knowledge in some, all a learning curve though, every day is a learning day as they say! Have a real interest in real cars too so I guess these go hand in hand! If anyone is in the Leicester area and wants to meet or know of any meets hit me up! Would be good to meet a few people on here and along the way!
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Do you reckon with some tuning of the high speed and low speed needles it should solve the issue? If I have the trim set dead on 0 or neutral it applies the brakes which isn't something I want it doing ideally as its unnecessary stress on the servo. There's a little pinging sound from the clutch bell also when it's edging forward only every now and then though. Reckon it could be a clutch issue or should I play around with the mixtures first?
