Lower revs when idle
#11
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#13
Join Date: May 2013
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OMG i bet your one them guys who swear your exhaust has to have back pressure as well. Your really not sure why it needs to have it but by golly you must have it. I should learn to stay off this site. While there some good to great poster's on here there some real fruit loops too.
Last edited by latrobedyna; 01-19-2015 at 07:36 PM.
#14
I'll go ahead and do the search, but doubt oil threads contain input on low revs. I recently read a lot of threads on oil before switching to Mobil 1 V-Twin.
I read all comments people leave on my post. I don't take any answers as wrong, just the best opinion a fellow rider and owner can offer. I will take all comments to consideration before doing anything as always. The more comments I get from everyone the more informed I am to troubleshoot problems or prevent them 👍😎
I read all comments people leave on my post. I don't take any answers as wrong, just the best opinion a fellow rider and owner can offer. I will take all comments to consideration before doing anything as always. The more comments I get from everyone the more informed I am to troubleshoot problems or prevent them 👍😎
#15
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What will drop is the charging voltage however. And the op or any one else can check all this very easy if the just stop listening to the crap that's floating around the net and simply set the RPM @ 800 let the bike idle several minutes and check both the oil pressure and the charging voltage. They will then find out what is what. LOL but don't listen to me if your want to ride long. I liked that comment i sure he too has logged well over 500K miles on his bikes over the years. and i did all that on a knuckle Shovel (gasp a AMF) and a twinky not bad i say.
Last edited by latrobedyna; 01-19-2015 at 07:25 PM.
#16
Running the idle too low on rpm's will result in premature bearing and compensator failure as the sumping mechanics of the Twincam engine cannot provide enough oil pressure to lubricate and remove heat build up on internal components of the motor. And yes the stator on the twin cams will not provide enough charging to the system to give the energy required to constantly pressurize the fuel pump. Haven't logged over 500 K on my bikes but I'm right there @ 200.
#17
Generally speaking, I avoid taking advice from people who say "OMG" and can barely speak proper English.
Having said that, I do think that electrical charging is the biggest issue with the EFI TCs. However, every bit of literature from the Moco says VERY specifically that TCs will not oil properly below 900rpms. So just keep it above 900 and you should be fine. And honestly, unless you do cams, your stock TC isn't going to sound like an EVO no matter how low the rpms.
Having said that, I do think that electrical charging is the biggest issue with the EFI TCs. However, every bit of literature from the Moco says VERY specifically that TCs will not oil properly below 900rpms. So just keep it above 900 and you should be fine. And honestly, unless you do cams, your stock TC isn't going to sound like an EVO no matter how low the rpms.
#18
One thing I recently learned going to the Harley museum in Milwaukee is that ALL of the earliest Harleys had VERY pinched off exhausts. All those F-heads, flatheads...you name it in the early 1900s, pretty much all came stock with 2 into 1 exhausts with very closed-off ends. And this had nothing to do with noise or emissions regulations, it was because all those *stupid* engineers knew that in order to develop good torque, you can't have a fat, wide-open exhaust. That **** started much later, mostly by guys who wanted to make a lot of noise. I'm not sure why I'm even telling you all of this though, cuz you obviously know better.
#19
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Because of this statement alone, you truly are an idiot.
One thing I recently learned going to the Harley museum in Milwaukee is that ALL of the earliest Harleys had VERY pinched off exhausts. All those F-heads, flatheads...you name it in the early 1900s, pretty much all came stock with 2 into 1 exhausts with very closed-off ends. And this had nothing to do with noise or emissions regulations, it was because all those *stupid* engineers knew that in order to develop good torque, you can't have a fat, wide-open exhaust. That **** started much later, mostly by guys who wanted to make a lot of noise. I'm not sure why I'm even telling you all of this though, cuz you obviously know better.
One thing I recently learned going to the Harley museum in Milwaukee is that ALL of the earliest Harleys had VERY pinched off exhausts. All those F-heads, flatheads...you name it in the early 1900s, pretty much all came stock with 2 into 1 exhausts with very closed-off ends. And this had nothing to do with noise or emissions regulations, it was because all those *stupid* engineers knew that in order to develop good torque, you can't have a fat, wide-open exhaust. That **** started much later, mostly by guys who wanted to make a lot of noise. I'm not sure why I'm even telling you all of this though, cuz you obviously know better.
Last edited by latrobedyna; 01-20-2015 at 01:13 AM.
#20