Documenting a coyote 5.0 build
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Thread: Documenting a coyote 5.0 build

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    FST Junkie! SIstomper's Avatar
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    Documenting a coyote 5.0 build

    I have found myself tasked with building a coyote from a 2016 5.0 that recently didn't like boost or winter gas. Car is procharged and belongs to @StormTrooperST Car was running fine and made loads of power. As soon as they switched to winter gas we lost cylinder 8. The factory ring gaps are way too tight. The gap on the compression rings were 0.016. For boost thats no bueno. There was no damage to cylinders or block. This will be a stock bore motor. Cylinders are getting honed only. Motor was removed and now the fun begins. MMR supplied all the forged parts. Motor is getting Manley forged pistons and rods, MMR billet oil and timing gear, all long block bolt are ARP, and MMR upgraded timing chains. Heads will remain stock. Cylinder 8 valves will be replaced and chamber polished. I'm dropping the rotating assembly off tomorrow to be balanced with the new rods/pistons. We are shooting for 900 whp. I will keep you all updated as the build progresses.

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    Last edited by SIstomper; 10-31-2016 at 10:53 PM.

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    I work second shift now so this morning I was able to finish the disassembly of the block. Dropped the rotating assembly off to be balanced.

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    I spend too much of my life on FST! angrychair's Avatar
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    Nice, my local friend Joe Holt is running low 9's @ 15xmph with his TT coyote stock motor and auto trans. This should be quite the capable beast once built.
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    Quote Originally Posted by angrychair View Post
    Nice, my local friend Joe Holt is running low 9's @ 15xmph with his TT coyote stock motor and auto trans. This should be quite the capable beast once built.
    Nice, this car is also automatic. Adding a couple pounds of boost and larger injectors and see what it does.

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    Got bored at work tonight and was browsing the interwebs looking for a tapered ring compressor. After not being able to find the bore size I need for under $60 bucks I said screw it and machined one. Picked up the rotating assembly today and will be honing and pressure washing the block tonight. Assembly will start tomorrow.

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    Wow, looks like a fun build.

    Just out of curiosity, which compressor and tune? P1SC and canned procharger tune?

    I feel like these things shouldn't be tuned so close to the ragged edge that a switch to winter formulation causes them to grenade...
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    Quote Originally Posted by ZX3ST View Post
    Wow, looks like a fun build.

    Just out of curiosity, which compressor and tune? P1SC and canned procharger tune?

    I feel like these things shouldn't be tuned so close to the ragged edge that a switch to winter formulation causes them to grenade...
    The shouldn't be boosted at 11:1 compression with cast pistons and rods LOL. The ring gap was too tight and the extra heat and a little knock popped it. This was the infamous cylinder 8. I went to the dealer to get parts and they had 2 new Mustangs with blown cylinder 8 with just tunes. We are installing the coolant bypass mod on the motor. There was a safe low timing tune in it with the P1SC at 9 lbs

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    Short block is done. All bearings are in spec and rings are gapped. Crank thrust is also in spec. Red things in the pics are oil squirter deletes. Went together smoothly.

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    Billet oil gear and head cooling mod

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    Why delete the piston cooling jets/oil squirters? Going with coated pistons and trying to increase oil pressure to the rod bearings then eh?
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