Yes you do need to break it in like your going to ride it, dumbass. Its a proven method, click that link. Theres a shop in my area called R&R cycles. They build some sick v-twins. They're well known throughout the US now. Reggie built a motor for a friend of my brother's, and he pussyfooted the thing because he was listening to people like you. Reggie rebuilt it for him and told him if he drives it like that again, he's not fixing it. But the one he built for my brother has been running extremely strong for the last 5 years without a problem. Read the article in the link that welby posted. And being such a newbie, I wouldn't recommend coming on here calling people dumbasses. How old are you anyway?

 

You obviously know nothing about engines do you? Did you even bother to read the link I posted? These machines are not the old Iron sleeved, rough bore relics that they used to be. You probably know nothing of the inner workings of an engine, of flame front propagation, of the torsional loads involved, or the tiny vortices created by the air rushing past the lips of the vavles during the intake stroke. Don't attack people on here that obviously have a lot more knowledge of the subject than you do. Read up, or shut up, you're boring me.

stocks, I broke my engine in rather hard, nearly two years ago. I've put a lot of hard ridden hours on it and have had no trouble. I pulled it apart a couple months ago to add a thinner base gasket, valve springs and a set of cams. Prior to disassembly I did a compression test. I was at around 130psi. Stock is supposed to be 140-145psi. However my slight loss wasn't anything to worry about, and was definately not rings. I had some build up on the valve seats from a rich condition.

The cylinder still had visible cross hatching on it, so no need to touch the nice Nikasil coating. My rings were well within spec. I gapped some new rings, lapped the vavles, dropped everything on with new gaskets and ran it. My cams were already broken in so no need to do a cam break in, so I ran it hard. Tested it @ around 220psi (12.1:1 with old style HotCams, no auto decompression). Two months later, still 220psi.

 

I know it's hard to take the "opinion" of a few against the opinion of everyone from the last 50 years. Even though the basic concept of engines still remains, the technology used is very different. You may remember in the '80s when Dodge was producing it's many turbo powered 4 cylinders. The simple fact is, with a turbo car, you want the absolute least restriction in the exhaust. But try telling that to any auto mechanic, motor head, V8 hot rodder, or exhaust shop of the 80's. They would tell you that you NEED backpressure for that turbo, because that's what applies to most naturally aspirated motors to run their "best", they need some sort of backpressure, some sort of exhaust because of things like vavle overlap and scavenging. Sadly this would probably still happen today with a lot of people.

This is a similar situation, with age old thinking applied to new technology.

 

I think that his comment either comes down to ignorance. There has been a train of thought that the "Take it Easy" methodoloy of break in was quite popular. I have information from a source that has broken in more engines in his lifetime than we ever will. My father in law is a former Indycar Driver, Nascar Driver and did some time in a SCCA car and NHRA Dragster. He's one of the good ole boys of racing, friends with Bill Simpson, AJ Foyt, Rusty Wallace and Mark Martin. He knows motors and said that for the engine to properly work over the life of the vehicle and to make max power, run it like you intend to and you will not have a problem. Hell, he had a Aerostar work van that had near 400k miles when he sold it on the original top end, and that thing was beat to the ground.

Jorfrommaine may not be right, or wrong, but his approach by calling someone a dumass is completely uncalled for and I can say that the last thing he wants is my complete and undivided attention. I can be quite formidable to those that think degrading others for sport is fun.

TPR

 

Lets keep the a$$ whoopin going.

 

I see our friend has piped down....good chioce![img]i/expressions/face-icon-small-wink.gif[/img]

TPR

 

We are keeping an eye open though. [img]i/expressions/face-icon-small-wink.gif[/img]

 

I think I'll wink to that too [img]i/expressions/face-icon-small-wink.gif[/img]