It happened cylinder 8! Now what?

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Sean@LethalPerformance

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I think Beefcake still has a long block for sale. I'm sure it can handle all the abuse you can throw at it.

ill look into that, was also looking at ford racing boss block, and the mmr options.

FORD RACING BOSS 302 FORGED SHORT BLOCK KIT -- M-6011-BOSS302

would this be a good start?

Sorry to hear about the motor problem OP. I guess i have a few questions though. I know you made mention of you being at a different tuner/dyno to get the car retuned for the T body, did this any other place tune the car for the other mods, or was it always on a BBR tune up till the T body dyno? Also, you put a hell of ton of miles on the car, do you always use 91-93 octane or do you change up to mid/low grade for commute? Do you fill up with a certain brand or do you bounce around to what is priced well. Just asking these questions because a single bad tank of gas could be the culprit by itself. Also i know you said you aren't very good mechanically but is it possible any parts installed may of contributed to any air leaks causing a lean condition. As i browse through threads it makes me realize a lot of people's problems are caused by possibly their improper install as well. Not saying you did anything wrong, but how many threads people's forget Injector O rings, snap bolts, leave things disconnected, create air leaks with manifold installs, ect.

this was the first time i was coming to this shop because i;ve heard they do some very good fine tuning, their white gt500 is the cover story on svtp right now. so no i havnt used them for any tunes and never got the chance once he checked the spark plug and confirmed the issue.

Yeah ive drove the snot out of this car since i bought it, bc i love driving this thing so much!! lol. but yeah maybe only once after first buying the car regular was put in for the drive from orlando to southflorda, after that only 93o and only usually from shell or mobile gas stations.
And right that could be that, my jlt intake and the tb where the only things i put on myself, maybe something with the tb occurred during install missing something or not tq'ing it down enough.
 
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69camaro...

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You started to notice signs before throttle body. Isn't that your first clue to get it to BBR and resolve whats wrong? Your local to me, i hear about your car alot
 
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01bluesnake

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ill look into that, was also looking at ford racing boss block, and the mmr options.

FORD RACING BOSS 302 FORGED SHORT BLOCK KIT -- M-6011-BOSS302

would this be a good start?



Yeah ive drove the snot out of this car since i bought it, bc i love driving this thing so much!! lol. but yeah maybe only once after first buying the car regular was put in for the drive from orlando to southflorda, after that only 93o and only usually from shell or mobile gas stations.
And right that could be that, my jlt intake and the tb where the only things i put on myself, maybe something with the tb occurred during install missing something or not tq'ing it down enough.


The boss short block is a great bottom end, and if not looking to go all out racing or make the most HP, will be perfect for most anyone N/A or even FI. <<(wrong shortblock though) Ok, wasn't sure if about the fueling habits but good to know you stuck to premium and kept to a brand or two. I can't see the T body causing a problem since it was there prior to the T body install. It's hard to say what really caused the piston to fail since these motors are very sensitive. I doubt it was install of parts that caused the cylinder to fail but giving a quick look over everything to check for loose fittings, connections, manifold bolts wouldn't be a bad idea. Either way whats done is done, and hope the best for you and the car. :beer:
 
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Sean@LethalPerformance

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Sure, if you have an old Mustang. That's the wrong engine.

doooyyy :read: thanks


The boss short block is a great bottom end, and if not looking to go all out racing or make the most HP, will be perfect for most anyone N/A or even FI. <<(wrong shortblock though) Ok, wasn't sure if about the fueling habits but good to know you stuck to premium and kept to a brand or two. I can't see the T body causing a problem since it was there prior to the T body install. It's hard to say what really caused the piston to fail since these motors are very sensitive. I doubt it was install of parts that caused the cylinder to fail but giving a quick look over everything to check for loose fittings, connections, manifold bolts wouldn't be a bad idea. Either way whats done is done, and hope the best for you and the car. :beer:
well i did encounter a small hickup during that install that once i went back to it the next mourning in the daylight i saw the obvious issue, that the tb wasn't tq'd down tight enough, using the little allen wrench i was using and that resolved the issue starting the engine up. I cranked the engine up and it start up and cut off for obvious reasons, did that twice before i let it alone to look at it the next mourning. But it was from that point, where things felt MORE noticeably wrong, getting a different exhaust smell from the car, like a richer gasoline smell compared to that of your typical o/r setup and the low idle and puff of white smoke on wot and what seems to also be upon start up from what i saw today.
 

Bizarro

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Gonna have to check the ECU when I get home.
I was going to put off the CAI and Tune due to needing to point that money towards a family situation for me. But with my car only having about 50 miles before it falls out of warranty (2011 GT)...I may go ahead and at least do the BAMA tune to warranty the #8 cylinder as a safety net.

Lots of good information in here - thanks.
 

Deranged2013

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ill look into that, was also looking at ford racing boss block, and the mmr options.

FORD RACING BOSS 302 FORGED SHORT BLOCK KIT -- M-6011-BOSS302

would this be a good start?.

Thats a good block if you want to go old school, ei. single cam and pushrods.
Look into the Livernois short block.
block comes assembled, balanced and blueprinted with their costum forged pistons. God forbid, if my engine takes a dump, this is the route I'm taking.
Livernois customer service is very good also.
5.0L Coyote 4-Valve Street Series Shortblock (10:1,11.5:1) - Livernois Motorsports
 

Gus from Steeda

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stock is fine. again. if this was so common. there would be a tsb or recall. i dont care what people claim. the car stock is great.

Just because you don't see cars blowing up left and right doesn't mean there is not an issue present. The datalog that Shaun provided is the hard evidence of the conditions in the factory tune that could possibly cause a failure, and in rare cases it has. We have seen this issue from day one since the 2011+ Mustangs came out.

Many aftermarket tuners now have the knowledge to prevent this issue from happening under the circumstances that would cause it to happen in the stock tune, and some of us can eliminate the issues under any circumstance all together.

For us, this was extremely critical in our road racing. "We race what we sell" doesn't just help us make better suspension parts. It helps us make sure we don't blow up engines as well. Imagine a car going lean on us running the high banks at Daytona or the back stretch of Sebring… that would be an engine disaster. But we don’t have those issues because we have full accurate control of WOT fueling and have over ridden the factory issues that would cause the car to go lean when you don't want it to.
 

MR.SVT

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Just because you don't see cars blowing up left and right doesn't mean there is not an issue present. The datalog that Shaun provided is the hard evidence of the conditions in the factory tune that could possibly cause a failure, and in rare cases it has. We have seen this issue from day one since the 2011+ Mustangs came out.

Many aftermarket tuners now have the knowledge to prevent this issue from happening under the circumstances that would cause it to happen in the stock tune, and some of us can eliminate the issues under any circumstance all together.

For us, this was extremely critical in our road racing. "We race what we sell" doesn't just help us make better suspension parts. It helps us make sure we don't blow up engines as well. Imagine a car going lean on us running the high banks at Daytona or the back stretch of Sebring… that would be an engine disaster. But we don’t have those issues because we have full accurate control of WOT fueling and have over ridden the factory issues that would cause the car to go lean when you don't want it to.

That is why I only deal with Steeda!:rockon:

To the OP, Sorry that truly s**ks. I hope you get your car back on the road soon.
 

kingnut

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first post in 5 1/2 years after signing up, wow.
 

Fabbed5.0

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OP just made me go out and check my plugs lol. thankfully all good. Hope you get this straightened out whether it be a stock or built motor.
 

Deespeed99

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This definitely wasn't fixed for 2013 and I'm surprised more people didn't know this. I actually recorded videos of the A/F gauge trying to command stoich and running very lean at WOT. I can upload them if people wanted to see but figure more knew this wasn't fixed.
 

kingnut

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OP just made me go out and check my plugs lol. thankfully all good. Hope you get this straightened out whether it be a stock or built motor.

lol also check under you bed tonight for the boogie man. :beer:
 
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