Re:Hitting The Rev Limiter
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TOPIC: Re:Hitting The Rev Limiter
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Hitting The Rev Limiter 4 Years, 5 Months ago
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Can one of you technical types here tell me why hitting the rev limit helps keep the dreaded SVS at bay? I do it because I've read here that it's a good thing to do, but now I've wondering why it's a good thing to do.
Thanks in advance,
M7
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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The rpms at that level keep things clean. It's a shake down of the valve train, and does seem to help. Lots of folks do just Cruise on these puppies, and a S L O W moving twin really allows the carbon to build. I don't hit mine but on occasion, but I ride briskly all the time. For those that don't , it is encouraged to move some of that carbon build up out. That make any sense?  BB
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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BB said it all. Same thing goes for your car. It's good to wind it out every now and then. 
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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I remember growing up and dad always did something every now and then with all the cars we had. He called it blowing the sut out it  .
Back before all the electronics were on cars he was one of the best shade tree mechanics around. I just thought he hadn't grown up and wanted to see how many cars he could pass on the interstates as he would lick his finger and make a mark on the dash board. 
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Yakman (User)
Expert Boarder
Posts: 410
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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Out of curiosity, does anyone know of a study that actually proved that "blowing the carbon out" actually happens when you push an engine to higher rpms? I mean we all have heard that claim for years, and we all like the idea of having a "reason" to tromp on the gas. However, in the end I've never seen anything that showed this "technique" actually does anything besides giving the driver the thrill of going faster. 
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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I don't know of any sponsored research or anything like that. Some pretty knowledgeable people say it works. I guess it come down to - If you don't think it will help don't do it. 
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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Well, My pop used to call it an "italian tuneup" and I can say this..In the past when searching for a cheap used car, I would look for one driven by older folks as usually they were in better shape..after buying it I would run it up and you could see the black smoke coming out the tail pipe...after doing this a couple of times, it would no longer smoke, and idled alot better..I always assumed I was blowing the carbon out..no proof tho.... 
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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I ride more like BB, keep if moving when I am able and kick it in the ass every now and again.
No SVS so far, Knock on Chrome. 
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Paul

K&N, V&H Powershots, 185DJ, Stock Pilot, 3.25pms
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Re:Hitting The Rev Limiter 4 Years, 5 Months ago
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I had a 99 crown vic (company car) I got that was driven by a guy who retired and drove like an old lady. It had 110,000 miles on her and ran so so. Driving to Las Vegas about a month later a guy in a honda civic came up on me and slowwed down trying to get me to open'er up so I floored it and it made some odd knocking noises hesitated and backfired a huge poof of black smoke out the back and she took off!  She ran great after that! oh yea I did beat the civic at 120mph peged speedo 
I've got an 05 R* with the dyna 3000 with the rev set to 5500 rpm, 9800miles and no SVS...
For what its worth...
Steven
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