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Mounting gas engine to firewall

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Old 05-06-2005, 10:10 PM
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sportflyer-RCU
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Default Mounting gas engine to firewall

Would spring washers be enough to hold the engine in place without the use of thread lock ? Tks
Old 05-06-2005, 10:45 PM
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BobH
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Default RE: Mounting gas engine to firewall

They might but why take the chance of loose engine bolts?
Old 05-06-2005, 10:50 PM
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DMcQuinn
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Default RE: Mounting gas engine to firewall

I like the nylon-insert nuts.
Old 05-06-2005, 11:11 PM
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Default RE: Mounting gas engine to firewall

BLue Loctite. Works good, lasts a long time.
Old 05-06-2005, 11:55 PM
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3dd
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Default RE: Mounting gas engine to firewall

i would say never without blue locktite and nylock nuts.why take the chance for a minutes work
Old 05-07-2005, 12:13 AM
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Default RE: Mounting gas engine to firewall

Looks like blue loctite will have to do as I can't get access to the rear of firewall to install nylon insert nuts.
Old 05-07-2005, 12:22 AM
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Default RE: Mounting gas engine to firewall

You can get a "vibration proof" washer set from Microfastners that works very well in keeping machine bolts tight. I have used them and not had one loosen. Much better than the "split" lock washer.
Old 05-07-2005, 06:48 AM
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sillyness
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Default RE: Mounting gas engine to firewall

If you double up the locktited nut and a nylon lock nut, be sure that you install the locktited nut first. Let it cure over night. In the morning wipe off any excess locktite, then install the nylock nut. Locktite has a tendancy to destroy plastics and that would render the nylon portion of the nylock nut useless. Maybe this is overkill, but I've never been in so big a hurry I couldn't wait an evening. Mounting the motor is usually the first thing I do anyway.
Old 05-07-2005, 07:22 AM
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Default RE: Mounting gas engine to firewall

I agree with sillyness. Locktite and nylon are not a good combination. I use just locktite and have not had a problem so far.

Steve
Old 05-07-2005, 01:53 PM
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Default RE: Mounting gas engine to firewall

What is the correct way of applying the anti vibration washers ? Tks

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