Blew a hole through the bottom of my engine from a chunk of piston.

[JJT143]

I gotta question for ya people. I blew a hole through the bottom of my engine from a chunk of piston. I replaced both cases and cylinder and crank and piston. Stupid me I was in a hurry to put it back together soI used RTV gasket maker for a case sealant. I replaced both crank seals and it still burns a good amount of gear oil. could it be the RTV i used?

 

[blasterkid1998]

I gotta question for ya people. I blew a hole through the bottom of my engine from a chunk of piston. I replaced both cases and cylinder and crank and piston. Stupid me I was in a hurry to put it back together soI used RTV gasket maker for a case sealant. I replaced both crank seals and it still burns a good amount of gear oil. could it be the RTV i used?

i use rtv ultra grey on the cases. sounds like a bad crank seal or the cases didnt seal between the cankcase and the transmission. did you leak test?

 

[JJT143]

i use rtv ultra grey on the cases. sounds like a bad crank seal or the cases didnt seal between the cankcase and the transmission. did you leak test?

I replaced both crank seals this week and still burns oil. I used RTV blue. Idk how good it is but I'm pretty sure I didt miss any spots. No I didn't do a leak test how would I do that?

 

[dirtysquared]

I replaced both crank seals this week and still burns oil. I used RTV blue. Idk how good it is but I'm pretty sure I didt miss any spots. No I didn't do a leak test how would I do that?

Did you clean and lap the cases? I'm not to sure of blue rtv can withstand oil and fuel. Use some threebond or yamabond, thats what its designed for.

 

[blasterkid1998]

you could build one http://www.blasterforum.com/threads/build-and-use-a-leakdown-tester.10663/
or buy one http://www.blasterforum.com/threads/leakdown-testers.55015/
and i know your new to the forum but if you want to get some more answers from other people create your own thread.

 

[JJT143]

Did you clean and lap the cases? I'm not to sure of blue rtv can withstand oil and fuel. Use some threebond or yamabond, thats what its designed for.

I cleaned the cases thoroughly and I was about to order three bond I just wanted to hear what you guys have to say thanks for the help I'll let you know how it goes!

 

[JJT143]

you could build one http://www.blasterforum.com/threads/build-and-use-a-leakdown-tester.10663/
or buy one http://www.blasterforum.com/threads/leakdown-testers.55015/
and i know your new to the forum but if you want to get some more answers from other people create your own thread.

Thanks yeah I don't really know how to use this much haha

 

[Blaaster]

RTV is not recommended to bond case halves, it may not withstand the effects of oil/fuel and may break down and create an air leak.

I would be removing it and using the correct bonding agent.

 

[cbaber]

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@JJT143 , I moved your posts (and their responses) to this separate thread. This will ensure you get a better response to your question and keep the other thread clean and on topic.
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