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Old 12-03-2008, 01:49 PM   #1
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Default Screw stuck in engine block

Ok guys I was working on my novarossi plus 21-5k today and when I was reinstalling the backplate one of the screw heads broke off. I wasn't even applying very much torque and it snapped clean off flush with the block. So now i'm trying to figure out a way to get the screw shaft out. It is flush with the block(mabey even slightly in from the block) so trying to grab it with pliers it out of the question. I don't think I can slot it with a dremmel because that would scar up the block too much. Any help is appreciated. Thanks guys.
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Old 12-03-2008, 01:54 PM   #2
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You could always drill it out and re tap it with a slightly larger diameter screw however I had the same thing happen to me on my axe rossi mamba and since it had 4-5 gallons through it already I just sealed the backplate with carb sealant and locktighted all three other screws and swear on the man upstairs I never had one single issue with it. A buddy of mine still runs it.
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Old 12-03-2008, 01:56 PM   #3
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You could always drill it out and re tap it with a slightly larger diameter screw however I had the same thing happen to me on my axe rossi mamba and since it had 4-5 gallons through it already I just sealed the backplate with carb sealant and locktighted all three other screws and swear on the man upstairs I never had one single issue with it. A buddy of mine still runs it.
Yeah I thought about sealing it up and just using 3 screws. That is what i will do if I have to.
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Old 12-03-2008, 01:59 PM   #4
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what do you mean the screw head ?? like literally the screw head ?? is it a hex or regular
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Old 12-03-2008, 01:59 PM   #5
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Just looked at the price of a new Plus 5 case.....249....wow that is ridiculous. If the three screw/sealant method doesn't work, and you have a lot of life left in the P/S/R Id say just ask around for a worn out plus 5 and take the case.
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Old 12-03-2008, 02:03 PM   #6
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ya WTF

http://www.amainhobbies.com/product_...oducts_id/8842
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Old 12-03-2008, 02:03 PM   #7
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i would try a screw extractor first... i had to use one on a motor mount one time.


i really doubt that it will seal good enough with just three screws and sealant.
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Old 12-03-2008, 02:05 PM   #8
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Originally Posted by clarksib View Post
Just looked at the price of a new Plus 5 case.....249....wow that is ridiculous. If the three screw/sealant method doesn't work, and you have a lot of life left in the P/S/R Id say just ask around for a worn out plus 5 and take the case.
Yup and they are selling the motor for $270. you would have to be an idiot to buy that case.
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Old 12-03-2008, 02:06 PM   #9
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what do you mean the screw head ?? like literally the screw head ?? is it a hex or regular
Yes the whole screw head. It was a standard flat head screw. stock nova screw.
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Old 12-03-2008, 02:08 PM   #10
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i would try a screw extractor first... i had to use one on a motor mount one time.


i really doubt that it will seal good enough with just three screws and sealant.
Do you know who makes one small enough? I have a couple larger ones that never seemed to work for me.
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Old 12-03-2008, 02:13 PM   #11
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Yes the whole screw head. It was a standard flat head screw. stock nova screw.
well if you get the screw out ive got like 100 of those dam things i will give ya some screws
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Old 12-03-2008, 02:14 PM   #12
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I would run it with 3. I had a similar situation happen with an RB engine. After about 1-2 laps it just rattled itself out of the block.
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Old 12-03-2008, 02:14 PM   #13
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well if you get the screw out ive got like 100 of those dam things i will give ya some screws
That's not the problem. I have plenty of the screws.
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Old 12-03-2008, 02:14 PM   #14
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Do you know who makes one small enough? I have a couple larger ones that never seemed to work for me.
koby go look in rc driver i forget which one but glance at them i saw those in there and there was a specific company they said to use
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Old 12-03-2008, 03:08 PM   #15
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Would a reverse drill bit work?
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