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04-27-2008, 10:31 AM
| #133 (permalink) | ||||||||||||||||||
| Bad-ass Super Contributer!   Join Date: Nov 2007 Location: Port Orchard, WA Age: 58
Posts: 2,753
 |  Re: THE NEW MT 57CC ENGINE
__________________ "Electric things run on smoke, Let the smoke out and they won't work" Al Lewis AMA #821623 IMAC #5457 http://www.geocities.com/lou_98366 One Nation, Under God!!! | ||||||||||||||||||
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04-28-2008, 07:53 PM
| #135 (permalink) |
| Doo It! Doo It!  Join Date: Jul 2006 Location: berlin hts. oh. usa Age: 55
Posts: 99
 | Re: THE NEW MT 57CC ENGINE
well i got 45 minutes of run time on the 57 now,here's what i got. ES composite pipe 12" header that was made for a 58gx2,just moved the holes in a 1/16. pennzoil, 32-1 air cooled,87 octane 6800 on a 23-8 mejzlik 6700 on a bolly 23-8.this is about 100 rpm's off peak. engine runs good, i do half to say i got the china plug in it and have a small mid to high end miss, still need to get the rite plug. |
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04-29-2008, 10:12 AM
| #136 (permalink) | ||||||||||||||||||
| Bad-ass Super Contributer! Join Date: Nov 2007 Location: Port Orchard, WA Age: 58
Posts: 2,753
| Re: THE NEW MT 57CC ENGINE
__________________ "Electric things run on smoke, Let the smoke out and they won't work" Al Lewis AMA #821623 IMAC #5457 http://www.geocities.com/lou_98366 One Nation, Under God!!! | ||||||||||||||||||
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04-29-2008, 12:58 PM
| #138 (permalink) |
| Gettin' Lower!   Join Date: Mar 2008
Posts: 30
| Re: THE NEW MT 57CC ENGINE
I did tell u the Plugs are naff and best put in the bin.6700rpm isway to low on that prop.You should be achieving 7100 -7300 easily.I would agree that your set up or tuning is out of whack.Must admit that the hype surrounding the ES composites pipe,for me,is a bit overstated and i ended up selling it to some other unsuspecting Englishman.Personally i didnt like it at all,now using an MTW on 1 of the 88 Yaks and and a KS pipe on the other Yak  |
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04-29-2008, 03:08 PM
| #140 (permalink) |
| Bad-ass Super Contributer! Join Date: Nov 2007 Location: Port Orchard, WA Age: 58
Posts: 2,753
| Re: THE NEW MT 57CC ENGINE
I would certainly hope that a 57cc would do better then spin a 23 X 8 at 71-7300 rpm. With the added displacement you would expect it to spin up a 24 X 8 or 10 to 7200. Somebody throw a Vess 23A on one and let's get a benchmark. My DL-50 currently is tuned to spin a Vess 23A at 7350 rpm on a stock muffler and Belray H1R at 40:1. Anyone out there got similar numbers from a DA or 3W we can use?
__________________ "Electric things run on smoke, Let the smoke out and they won't work" Al Lewis AMA #821623 IMAC #5457 http://www.geocities.com/lou_98366 One Nation, Under God!!! Last edited by Al Lewis; 04-29-2008 at 03:18 PM. |
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04-29-2008, 04:02 PM
| #141 (permalink) |
| 3D wantabe   Join Date: Nov 2007 Location: Middletown, NJ o7748 Age: 59
Posts: 137
| Re: THE NEW MT 57CC ENGINE
23A Vess with a header I got 7400rpm and 33 pounds 8 ounces of thrust. The header is about the same as a stock muffler. Pennzoil at 32:1.
__________________ Rich Border AMA 77727 Those that beat there swords into plows farm for those that didn't. Last edited by soarrich; 04-29-2008 at 04:04 PM. Reason: added oil info |
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04-29-2008, 04:12 PM
| #142 (permalink) |
| Doo It! Doo It! Join Date: Jul 2006 Location: berlin hts. oh. usa Age: 55
Posts: 99
| Re: THE NEW MT 57CC ENGINE
i am going to remove the pipe and try the stock muffler.also going to check timing just to make sure. also what spark plug are you guy's using? you know i can lean out the top end a little but there is just not that many rev's left in it. and as far as the low end i have had it so lean that it would not transition and so rich that it did nothing but burble.it may just be the plug, i tried a RDJ7Y plug but was to small. |
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04-29-2008, 04:19 PM
| #143 (permalink) |
| 3D wantabe Join Date: Nov 2007 Location: Middletown, NJ o7748 Age: 59
Posts: 137
| Re: THE NEW MT 57CC ENGINE
To quote Ralph....... Go to your local auto supply...ANY 14mm thread spark plug will work, resistor or non...
__________________ Rich Border AMA 77727 Those that beat there swords into plows farm for those that didn't. |
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