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-   -   blown 900 ate a distributor gear over the weekend, what now...... (https://www.offshoreonly.com/forums/general-q/313924-blown-900-ate-distributor-gear-over-weekend-what-now.html)

rob vanharten 06-17-2014 10:07 PM


Originally Posted by MILD THUNDER (Post 4139161)
Or the distributor height was off for some reason being a tall deck and using a slip collar. Sorry to hear this Rob!

I thought about the tall deck thing as well! Went out and looked at the gear again and it seemed to be meshing well, not to low...

rob vanharten 06-17-2014 10:08 PM


Originally Posted by rmbuilder (Post 4139249)
Rob,

It is likely a material compatibility or alignment issue. You are welcome to email the photos directly and we will assist you with an assessment of the failure.

Bob

Thanks Bob, I will get you some pics in the morning.

rob vanharten 06-18-2014 12:35 PM

Just wanted to thank Bob at Marine Kinetics, had a great conversation with him this morning and feel we will be headed in the right direction. Unfortunately it means my season is done and motors are coming out, but it will be worth it in the end. Bob took 20 minutes to explain some different scenarios in detail and it was very helpful. Thank you!!!

BenPerfected 06-18-2014 05:37 PM

You might consider the composite distributor gear when you rebuilt.

SB 06-18-2014 06:52 PM

He mentioned he's taking out the solid rollers and going HR, so he'll have better options gear wise.

ezstriper 06-19-2014 07:12 AM


Originally Posted by rob vanharten (Post 4139603)
Just wanted to thank Bob at Marine Kinetics, had a great conversation with him this morning and feel we will be headed in the right direction. Unfortunately it means my season is done and motors are coming out, but it will be worth it in the end. Bob took 20 minutes to explain some different scenarios in detail and it was very helpful. Thank you!!!

you are working with the right guy..but as you know by now, going to have to come apart...metal is everywhere...also seems to me you are running to much oil pressure, these engines do not need that much to live...just overtexting the dist and killing H/P but doubt that was the whole issue why yours failed...

rob vanharten 06-19-2014 12:18 PM

Yes oil pressure was definitely to high, my sae 50 oil was not helping matters either.... Both motors will be coming out for freshening, getting bearing clearances in check, new hydraulic rollers and valve train. Hopefully after that we will get a few season of trouble free boating. Although in this hobby that never seems to be the case.... :)

fbc25el 06-19-2014 12:46 PM

I have one of Bob's cams and he also supplied the dist. gear. I pull my dist. at the start of the season to prime the oil system and the gear always looks good.


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