2011 GT I think I have rod knock - Mustang Evolution

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Replace with new longblock 2 100.00%
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Old 08-14-2019, 07:14 PM   #1
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Location: Greensboro, NC
Region: North Carolina
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2011 GT I think I have rod knock

Hello all!

I think I posted this in the wrong forum earlier...

I believe I have developed rod knock after a series of questionable decisions.

My primary question: is it worth it to replace or rebuild the motor?

I know this question is highly subjective, but I'm hoping someone can share their own experiences to help me decide what to do.

So I have a 2011 GT/CS 6sp that I daily drive. It has 149k on the ODO and it has been stock for all of it's life up until spring of this year when I replaced the clutch with a SPEC stage 3+ and SPEC steel flywheel. At that time, I also purchased a REV X by BAMA so I could perform the crank relearn.

I put their Stage 1 tune on around May. Around The turn of July, I got a P0349 - Camshaft Position Sensor A Circuit Intermittent Bank 2 and my research told me that it was actually a problem with the alternator. I was having headlight issues and battery issues earlier in the year so this seemed to make sense.

I got around to replacing the alternator two weeks ago (I used all Ford OEM parts - New, not re-manufactured), and cleared the codes using the REV-X. Two days later the code came back. I have ordered a sensor and it should be here soon, but I have continued to daily drive the car as it hasn't shown any signs of misfire or losing power. Today I accelerated more aggressively than I had been since getting the code and I start hearing the dreaded clak clak that I am convinced is rod knock. The sound appears around 2K RPM and gets progressively worse with the revs. I will have the car towed to a mechanic to confirm my diagnosis tomorrow.

I'm fairly well experienced with replacing engines. I've swapped 3 motors on 90's Escorts and I've had the motor in and out of my 02 WRX more times than I can count. I'm not shy of doing the labor of installing a motor in this car either.

My biggest concern is that this motor seems to be incredibly expensive relative to the car, at least from a quick google search for replacement motors. Long blocks seem to be in the $5-8k range, and I haven't seen anyone selling a shortblock with rotating assembly (any suggestions?). Short of that, I would also be open to having the motor rebuilt, so if anyone could recommend a shop (preferably close to central NC though I'm not opposed to freight), I would greatly appreciate it.

Thanks for your time and I hope I'm able to get back on the road soon!
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Old 08-15-2019, 02:59 AM   #2
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Ford Gen2 longblock that is ready to drop into any 11-14GT. Done.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.

Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.
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