Awww you two, how sweeeeeet.

Both have valid points both are experienced both have ego's as anyone else but I've seen this issue first had not closing off causes dirt issue after closing it cut down the dirt. Fighting isn't cool were too old and too solve this fun battle I say let's do it the old fashion way solve it on the track head to head challenge.

CRE verse Houston. Pick your team drivers hit a track and race with you guys tuning and supporting your team who ever wins has bragging rights.

how bout neal the driver and me the driver

of course that is wayyyy unfair butttt ...... put up or ........ well , you know the rest

btw , no EGO on this side of the border Jay

i have spent a lonnnng time learning the hard way and from many great engine guys with valuable knowledge that cant be purchased or taught by any instructor at some college , i know quite a bit about rc car engines Jay , that i can guarantee

ego is not me , arrogant is not me , opinionated definitely , the opinions come from alot of learned experiences that i have had at 100's of races and the experience of thousands of racers who have purchased engines from me over the years and we have shared the experiences they have had and solved many o problems that may have arose .

to the o.p. ,your front bearing is leaking because your engine is rich , absolutely without a doubt , it may be a pretty crappy front bearing also

I was going to suggest this but deleted it just as I was about to hit post. IMO engine selection plays a small role in racing. I'm not saying all engines are equal, but there are quite a few that are in the same ballpark. I don't care how much power you can make. If you can't drive you're not winning jack diddly.

Front bearings leaking oil is perfectly normal and does not contribute to bearing wear. As long as the seal is not damaged and the bearing is smooth and not worn then all good.
I've only been playing with model Heli, boat, car and plane engines for 42 years.

I think Houston is on the money with rich settings causing wear as the oil is diluted due to excessive methanol/nitro present when running rich so wear has to be faster imo.

Ive seen it a hundred times over smelly , rich lsn especially , that is 99% of the time the cause of front bearings seal being compromised and letting dirt get sucked back as pressures change in the crankcase

I mean dont get me wrong , if your track surface or area you bash in is super dusty and fine dirt its pretty dam hard to keep from having to change front bearings often

Its no coincidence that every time i pull my engines down for inspection that the front bearing is very clean and dry on the outside , but i do use either byrons race 3000 or pro driver 3000 which has a fair amount of castor and i keep my lsn pretty lean , i also get exceptional runtime and have a very driveable car

Change my statement Ego was wrong opinionated is a better word at the end of the day we all wont agree OMG me and my wife are prime examples. I see blue she sees red man very hard to figure out but you got to love them.

Ive seen you wheel forget where some video but your no slug your actually good for a old man (Joke).

As they say different strokes for different folks. Neil is a great guy he knows his stuff as you but I honestly love these threads cause the rest of the threads are boring

CRE Verse Houston Nitro Challenge Dec 9th, 10th and 11. Early opening on Friday (8am) for tuning and testing , Saturdays three rounds of Qualifing, Sunday one main 1 hour long. Admission is FREE as long as you bring a 12 pack MUST be a GREEN bottles.

Im only 37 ya dork! Sheesh

If neal can find a way to get down to phoenix with moxley for the nitro challenge that wouldbe great , when i am coming up to lap him for the third time in the first qualifier he might be able to chase me down the straight

Well it does sound plausible, I have an engine where the bearings are "past it" by some slight margin, and I noticed the entire front of the seal was all covered in a thick layer of sand, so it had been sucking dust in there.
Similarly I have a healthy engine which had a small oil drip in the front there after storage, and when I took that flywheel off it was completely clean on the seal.
So the sucking in dirt bit clearly happens.

Really 37 man I was think you were in your 50's for some reason Im older then you respect your elders

Agree and also another reason that suction may occur with a rich setting is as I mentioned before the oil being diluted preventing it from providing a proper seal in the oil groove thats machined in the block right behind the bearing.

You don't have to be a great driver to be an engine expert...

Agreed , very much so ,but being able to use an engine in a way that it is solely intended , for racing, to its full capacity and feel is verrrry useful.

Frigging Canadians