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(Moderator:
Nick Badame Refrig/ACC
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MCI motor mounts
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Topic: MCI motor mounts (Read 5310 times)
Tom Y
Hero Member
Posts: 1073
80 5C With Cummins L10 in Progress
MCI motor mounts
«
on:
April 02, 2011, 10:58:37 AM »
Does anyone have a source for a softer motor mount (Other than stock)? I have a 5C and would like to see if I can get some vibration out at idle. Thanks Tom Y
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Tom Yaegle
luvrbus
Hero Member
Posts: 26051
Re: MCI motor mounts
«
Reply #1 on:
April 02, 2011, 11:08:49 AM »
Tom, go to marine engine mounts I use the Dual/Flex find their site on the web and it will have your engine a little pricey but they are nice and sorry I forgot the link but will look it up for you if you don't find ot
good luck
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Life is short drink the good wine first
Tom Y
Hero Member
Posts: 1073
80 5C With Cummins L10 in Progress
Re: MCI motor mounts
«
Reply #2 on:
April 03, 2011, 05:32:55 AM »
Clifford, Do you think the Dual Fex will remove more vibration? I will see if I can find them, if not I'll get back to you. Thanks Tom
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Tom Yaegle
Tom Y
Hero Member
Posts: 1073
80 5C With Cummins L10 in Progress
Re: MCI motor mounts
«
Reply #3 on:
April 03, 2011, 05:44:25 AM »
Clifford, I see a lot of places to buy. But not the MFG. Do you know who makes these? My other concern is if these are meant for something other than a boat? I can see me running into something and the motor now sets beside the driver? Thanks Tom
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Tom Yaegle
luvrbus
Hero Member
Posts: 26051
Re: MCI motor mounts
«
Reply #4 on:
April 03, 2011, 06:58:52 AM »
Tom says on the box
www.bushingsinc.com
I just looked and they have a listing for all marine engines with weight and size
good luck
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Life is short drink the good wine first
bevans6
Hero Member
Posts: 6205
1980 MCI MC-5C
Re: MCI motor mounts
«
Reply #5 on:
April 03, 2011, 12:41:51 PM »
Does your installation of the L10 use the stock MCI motor mounts? Front and rear? Just curious how you did it.
Brian
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1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Allison MT-647
Tatamagouche, Nova Scotia
Tom Y
Hero Member
Posts: 1073
80 5C With Cummins L10 in Progress
Re: MCI motor mounts
«
Reply #6 on:
April 03, 2011, 06:13:42 PM »
I made the mounts and used the(used) MCI rubbers. I replaced them a couple years ago, with new. I had the motor out this weekend and started thinking about trying something else. Tom Y
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Tom Yaegle
Brian Diehl
Hero Member
Posts: 1180
Re: MCI motor mounts
«
Reply #7 on:
April 04, 2011, 07:38:27 AM »
Tom, why did you have the motor out?
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bevans6
Hero Member
Posts: 6205
1980 MCI MC-5C
Re: MCI motor mounts
«
Reply #8 on:
April 04, 2011, 09:41:24 AM »
The guys who put series 50 engines in MC-8's and 9's have some soft motor mounts to accomodate that shaker. Look for some S50 motor mounts and see if you can adapt them. The 8v from the MC5 is very smooth compared to a 4 cyl engine.
Brian
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1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Allison MT-647
Tatamagouche, Nova Scotia
luvrbus
Hero Member
Posts: 26051
Re: MCI motor mounts
«
Reply #9 on:
April 04, 2011, 10:07:03 AM »
Most of the guys with series 50 and 60 do use the marine mounts
good luck
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Life is short drink the good wine first
Tom Y
Hero Member
Posts: 1073
80 5C With Cummins L10 in Progress
Re: MCI motor mounts
«
Reply #10 on:
April 04, 2011, 12:48:39 PM »
Brian, That's another topic. But I am changing transmissions.
I am not sure I want to spend a few hundred on motor mounts right now, and i know my wife doesn't. Tom Y
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Tom Yaegle
mikelutestanski
Sr. Member
Posts: 410
Mikes Metal Mistress
Re: MCI motor mounts
«
Reply #11 on:
April 04, 2011, 04:57:54 PM »
Hello
Can you get the standard mci rubber mount bushings anymore?. I had trouble when I installed the L10 but I had a set of the rubber ones leftover from a previous job. I used the rubber 892 bushings for the front of the engine. I only could get the polyurethane rubber mounts..
If you have a source for the old style rubber mounts let me know.
thanks and regards mike
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Mike Lutestanski Dunnellon Florida
1972 MCI 7
L10 Cummins B400R 4.625R
Chopper Scott
Hero Member
Posts: 1303
MCI 7
Re: MCI motor mounts
«
Reply #12 on:
April 04, 2011, 05:37:23 PM »
I've had to do some strange things with Cummins irrigation motors (industrial). The earlier ones would shake everything apart. I didn't change anything on the motor but had to seperate things that generally are attatched to it.
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Seven Heaven.... I pray a lot every time I head down the road!!
Bad decisions make good stories.
luvrbus
Hero Member
Posts: 26051
Re: MCI motor mounts
«
Reply #13 on:
April 04, 2011, 06:01:45 PM »
Yep the L10 Cummins can dance on the same floor with a series 50 when it comes to vibration on my L10 Cummins engines in the service trucks Cummins changed the vibration damper every 2500 to 3000 hrs or they would shake lights off a truck
good luck
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Life is short drink the good wine first
Jaime
Newbie
Posts: 44
Re: MCI motor mounts
«
Reply #14 on:
April 04, 2011, 10:54:58 PM »
Just as a thought I thought I would might mention that on my 5a when I lost my fan belt I could not fell the engine run, turned out that all the vibration I was feeling was being caused by a bad pulley on the fan drive. after replacing pulley I had very little but more than with out the fan belt.
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