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Author Topic: Motor differences Intruder  (Read 4465 times)

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mrcsnow

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Motor differences Intruder
« on: February 16, 2015, 06:25:14 PM »
I'm wondering if any changes in the motor on a Intruders over the years 78-82?

I have a 79 Intruder motor with 550 miles and also a 82 with 4,100 miles.   I'm going to transplant into a 1983 Liquifire. 

Just curious on what is the best choice.  I'm also missing ignition coil/ plug wires on both motors!  (if anyone has one let me know)

mrcsnow@yahoo.com

Thanks -Matt

Rochelle Illinois
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mswyka

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Re: Motor differences Intruder
« Reply #1 on: February 18, 2015, 02:18:01 PM »
There are a few differences between the 78 and the 82 - one of which being the coil that you are missing.  But, what are you doing putting a fan cooled engine in a liquifier?  Why not put a  liquid engine back in that sled?
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Intruders:  1978, 1979, 1981 Custom (Pink)
Invaders:   1980 440
Projects:    1981 Invader 440

Tory944

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    • Torys Vintage Sleds
Re: Motor differences Intruder
« Reply #2 on: February 18, 2015, 05:21:33 PM »
Put a 4/6 engine in it! 8)
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Torys Vintage Sleds
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gixxer6

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Re: Motor differences Intruder
« Reply #3 on: February 18, 2015, 08:32:34 PM »
Quote from: mswyka on February 18, 2015, 02:18:01 PM
There are a few differences between the 78 and the 82 - one of which being the coil that you are missing.  But, what are you doing putting a fan cooled engine in a liquifier?  Why not put a  liquid engine back in that sled?

83's are quite rare.  Put a liquid back in it!   8)
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5kaws

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Re: Motor differences Intruder
« Reply #4 on: February 19, 2015, 05:32:26 AM »
Ya a 4/6 would be nice, better than a fan.
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JDmatt

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Re: Motor differences Intruder
« Reply #5 on: February 19, 2015, 06:49:58 AM »
Several of the Deere guys have been talking about putting an Intruder motor into a Liquifire for a while now for the sake of the simplicity of a fanner, but better performance then a Sportfire (single carb and didn't originally have oil injection).  It should bolt right in to the Liquifire bulkhead. 
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Matt
www.JDsleds.com - John Deere Snowmobiles
www.newbreedparts.com - New parts for John Deere & Kawasaki Snowmobiles

kawhead

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Re: Motor differences Intruder
« Reply #6 on: February 19, 2015, 08:04:42 AM »
imo invader motors are more reliable than intruders motors......and i'd miss the 15/20 hp ;)
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Lloyd (ljm)

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Re: Motor differences Intruder
« Reply #7 on: February 20, 2015, 06:48:08 AM »


 I can see the attraction to the Intruder engine in a Liquifire if your using it for a run around sled. The Intruder engine would be a little less finicky than a LF engine
But you have a little better handling than a Sportfire.

 Thinking about it. That would have been a great way for Deere to have built the Sportfire.

 
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77 SST
78 Intruder
79 340 Invader
80 440 Invader
80 Drifter (bought new)
80 LTD 4/6    X2

Several Deeres

mrcsnow

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Re: Motor differences Intruder
« Reply #8 on: February 20, 2015, 12:00:41 PM »
Quote from: Lloyd    (ljm) on February 20, 2015, 06:48:08 AM


 I can see the attraction to the Intruder engine in a Liquifire if your using it for a run around sled. The Intruder engine would be a little less finicky than a LF engine
But you have a little better handling than a Sportfire.

 Thinking about it. That would have been a great way for Deere to have built the Sportfire.

Perfectly said.  Thanks for all the responses!
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