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Adding another liter of displacement

A deal I couldt refuse

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#16 Daag44

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Posted 17 September 2020 - 02:49 PM

It's not an X, but definitely an 07. The tell tale sign is the larger Harness ground.

 

What color are the rods? Dark bronze are the problematic ones, and the lighter are the stronger nitrided rods.


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Pictures - How to resize and upload to DooTalk
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REV Gen1 Gauge Display stuck on "SCALE"
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Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Stator testing for E-TEC using a T harness/Bridge
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Y-Pipe bolts loosening fix


#17 RX7MachZ

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    BTW: Amsoil is good for everything, including making french fries. It's perfect in every regard and even tastes great.
    In fact: Re-using Amsoil containers to store Walmart oil gives the cheaper oil special properties not available to the average consumer.
  • Sled:2006 Mach Z "X" / 2013 800R E-tec

Posted 17 September 2020 - 03:11 PM

The cases were rubbed, but not broke. The only real issue is the oil injection check valve. It'll need to be replaced. ec673dd5dee2f6c371a991e41630f28f.jpg2c38073682c0a18a1d9d492755a4f545.jpg

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Current sleds:
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1996 Arctic Cat Puma 340
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#18 RX7MachZ

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    https://youtu.be/odJNXaMQEfY

    BTW: Amsoil is good for everything, including making french fries. It's perfect in every regard and even tastes great.
    In fact: Re-using Amsoil containers to store Walmart oil gives the cheaper oil special properties not available to the average consumer.
  • Sled:2006 Mach Z "X" / 2013 800R E-tec

Posted 17 September 2020 - 03:14 PM

07x had red a-arms,springs and wheels. Sure its not an 06.

Someone added X package shocks to it. The sticker label is gone, but the VIN on the tunnel matches the registration and the VIN listed inside the ECU when I checked with BUDS.

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Current sleds:
2006 Mach Z X and a 2013 800r E-tec
1996 Arctic Cat Puma 340
1975 Arctic Cat Cheeta ROTARY


#19 RX7MachZ

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    https://youtu.be/odJNXaMQEfY

    BTW: Amsoil is good for everything, including making french fries. It's perfect in every regard and even tastes great.
    In fact: Re-using Amsoil containers to store Walmart oil gives the cheaper oil special properties not available to the average consumer.
  • Sled:2006 Mach Z "X" / 2013 800R E-tec

Posted 17 September 2020 - 03:18 PM

They put the front shocks on the wrong sides.

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Current sleds:
2006 Mach Z X and a 2013 800r E-tec
1996 Arctic Cat Puma 340
1975 Arctic Cat Cheeta ROTARY


#20 RX7MachZ

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    https://youtu.be/odJNXaMQEfY

    BTW: Amsoil is good for everything, including making french fries. It's perfect in every regard and even tastes great.
    In fact: Re-using Amsoil containers to store Walmart oil gives the cheaper oil special properties not available to the average consumer.
  • Sled:2006 Mach Z "X" / 2013 800R E-tec

Posted 18 September 2020 - 02:22 PM

And here it is:

The first start.

There are still many things to address, but I'm happy with it.



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Current sleds:
2006 Mach Z X and a 2013 800r E-tec
1996 Arctic Cat Puma 340
1975 Arctic Cat Cheeta ROTARY


#21 RX7MachZ

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    https://youtu.be/odJNXaMQEfY

    BTW: Amsoil is good for everything, including making french fries. It's perfect in every regard and even tastes great.
    In fact: Re-using Amsoil containers to store Walmart oil gives the cheaper oil special properties not available to the average consumer.
  • Sled:2006 Mach Z "X" / 2013 800R E-tec

Posted Yesterday, 08:29 AM

These are the parts I'm not reusing. Anybody know anyone who wants them? PM me.6b75c541adaaf8cdcf52b47debeaa89a.jpga1157dfbbf12e4b3a213b6b27fe3abd1.jpg

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Current sleds:
2006 Mach Z X and a 2013 800r E-tec
1996 Arctic Cat Puma 340
1975 Arctic Cat Cheeta ROTARY


#22 RX7MachZ

RX7MachZ

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    https://youtu.be/odJNXaMQEfY

    BTW: Amsoil is good for everything, including making french fries. It's perfect in every regard and even tastes great.
    In fact: Re-using Amsoil containers to store Walmart oil gives the cheaper oil special properties not available to the average consumer.
  • Sled:2006 Mach Z "X" / 2013 800R E-tec

Posted Yesterday, 08:32 AM

Holy %^^%^

Never, ever would I pay that much!97e057fe87e4327a0dd187f1957691bf.jpg

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Current sleds:
2006 Mach Z X and a 2013 800r E-tec
1996 Arctic Cat Puma 340
1975 Arctic Cat Cheeta ROTARY


#23 Skandic Wide Track

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Posted Yesterday, 08:50 AM

U forgot to put on the radiator cap!😂😂😂 just screwin around but what did u end up throwing in it for new parts and how long did it take u? Based on ur post it was like a day or so?

#24 RX7MachZ

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    https://youtu.be/odJNXaMQEfY

    BTW: Amsoil is good for everything, including making french fries. It's perfect in every regard and even tastes great.
    In fact: Re-using Amsoil containers to store Walmart oil gives the cheaper oil special properties not available to the average consumer.
  • Sled:2006 Mach Z "X" / 2013 800R E-tec

Posted Today, 09:16 AM

Monday I bought the sled, returning home mid afternoon.  At that point I wasn't sure if it was a a lower end issue, stuck piston or both. With a breaker bar I got it to turnover and then started it but there was obviously something very, very wrong inside.  

 

I think it was Wednesday when I tore it down and found the real culprit, a lower PTO connecting rod failure.  This was an OEM 2007 engine, unmolested.

 

Friday morning I used the lower half of the engine that I ran in my Mach this past season as a starting point (I'd previously removed the cylinders and sent them to Iantomasi

i for porting).  That lower end had been run for one season with a new MCB crankshaft while being bathed in lots of oil all year. Lets just say 32:1 as a generic number.  The pistons were also new last season with Swain's coating on the sides and ceramic on the crowns.  One of the 12.2 domes was replaced. The head and cylinders I used were the original's from the new sled.  The cylinders were miraculously undamaged and in very good condition.  I used new head gaskets and an E-rave gasket, while retaining the 1.1 mm base gasket.

 

Initially, I quickly assembled the top end to see what kind of compression it would make.  Once satisfied, the top end was removed and put back together with the new gaskets.  Then the engine was installed in the chassis.  2PM Friday I started it.


Edited by RX7MachZ, Today, 02:48 PM.

Current sleds:
2006 Mach Z X and a 2013 800r E-tec
1996 Arctic Cat Puma 340
1975 Arctic Cat Cheeta ROTARY


#25 maxmachz

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Posted Today, 09:43 AM

Someday, someone will find out why only one of these lower rod bearings would fail on these engines. No other issues, just one disintegrated lower rod bearing.

 

Never the upper, only a lower, and always just one. 

 

Can't tell you how many of these I've seen fail this way, but no cause is ever found for just that one bearing failing. 


----------------------------------------------------
"The only protection mode that the 1000 SDI has is if the ECU realizes the current driver is not capable of handling this high performance machine it will seize a cylinder or crank bearing hence protecting the driver from bodily harm."




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