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post #1 of 3 (permalink) Old 03-30-2012, 05:56 AM Thread Starter
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Head Bold torque

I've been working on an 840 kit for a while now. Got everything put together, and my Teryx runs great and sounds even better.

I only have one problem. When I drive it, the cooling system is pressurized from somewhere and all the coolant gets pushed out the overflow catch can.
When it gets low on coolant, it starts to get hot.

I believe it's an issue with the heads, either gaskets, head bolt torque, or possibly the heads them selves.

I wanted to reference my Muzzys instructions for the torque sequence and actual head bolt torque settings. Unfortunately, I cant find the instructions.

Does anyone have a set of Muzzys 840 instructions they can share?


2010 Teryx LE,
Muzzy's Duel Exhaust
Dalton Clutch Kit
HW Overdrive Clutch Cover
K&N Modded Air Filter
HID Light bar
Odyssey PC925 Battery
Black Rhino gauge Pod (Tach, volt, W Temp)
27" Zilla's
Muzzy 840, Stage II cams, 38mm throttle bodies,
324 injectors, Water impeller,
new stock crank, rods and barring
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post #2 of 3 (permalink) Old 03-30-2012, 06:22 AM
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I don't but doubt they are different from stock setting of 18 first torque then 36 next. If that is happening I got bad news, you gotta find the head that is doing it and remove it.


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post #3 of 3 (permalink) Old 03-31-2012, 11:23 PM
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I had same exact problem with mine. Head gaskets were the culprit. I had the cylinders and heads surfaced and all is well now.
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2012 VIBRANT Blue Teryx 4, Muzzy pro's, ECU reflash, custom cage & roof, windshield, 14" STI HD Beadlocks & 32x10x14 STI Roctane's/Tatou 4S Tracks, Rigid Lights, Custom bumpers, Warn XT4000 winches front & rear, bedlift

2010 black, FST 840 stage II cams, DASA intake & injectors, BF throttle bodies, Msd, Muzzy Pro`s, Snorkeled, Warn XT 4000, EMP, 2 seat race cage, Custom rear Radiator, Unisteer, STI HD beadlocks and 30x10x14 EFX motoclaws
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840, big bore, head gaskets, heads, muzzys

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