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Camaro V6 LLT Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 06-09-2013, 10:10 AM   #1
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Misfire problem solved: MACE intake manifold FAILURE

So I've been complaining about a misfire for I think weeks now. I tried a lot of different things to fix it but none worked so I had to take my car back to the dealer. They reprogrammed my car and said I was good to go. It stopped misfiring after I took my mods off (vararam, elite catch can, mace stage 3 intake manifold + 25mm spacer), but I thought the mods were exacerbating a larger problem. Tracy from RX and I didn't see how the mods could have caused the misfires. The car ran fine for 400 miles too with th mods on.

So for those who don't know, MACE fills in this portion here on the bottom of the manifold right after the throttle body to allow better airflow.


You'll notice you can see the hole, well, thats because the filling they put in there became DISLODGED and was nearly SUCKED INTO my engine!!!!!!! :confuse d0068:



IF YOU HAVE A MACE PORTED INTAKE MANIFOLD, I HIGHLY SUGGEST YOU REINFORCE THIS PIECE WITH SOME REALLY STRONG GLUE!

I'm extremely lucky that damn thing didn't break into pieces because that would have been the end of my engine, NO warranty coverage at all.

Fortunately I caught this. This manifold is sold but it is now very safe. I put a mass amount of strong glue and sealant so it won't get break off again.

I'm just incredibly thankful nothing serious happened...
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Old 06-09-2013, 10:12 AM   #2
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Damn that's crazy! That's the first time I've heard of something like that happening. I know both RX and MACE fill in that portion. Good thing you caught it when you did!
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Old 06-09-2013, 10:17 AM   #3
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That's crazy man. Glad you caught it in time beiges it completely destroyed your engine.
What are your plans now that the problem was fixed ?
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Old 06-09-2013, 10:18 AM   #4
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Wow!
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Old 06-09-2013, 10:25 AM   #5
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Originally Posted by lscamaro View Post
Damn that's crazy! That's the first time I've heard of something like that happening. I know both RX and MACE fill in that portion. Good thing you caught it when you did!
I've never seen anything like this and honestly I got so damn lucky here its not even funny. I really couldn't believe what the hell I was looking at when I noticed it.

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That's crazy man. Glad you caught it in time beiges it completely destroyed your engine.
What are your plans now that the problem was fixed ?
I'm in a great position now, I've got 14k and an engine that obviously is perfectly fine. I have a great deal on a SS lined up that will probably go through. If for some reason it doesn't I think I might go FI.
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Old 06-09-2013, 10:34 AM   #6
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I'm in a great position now, I've got 14k and an engine that obviously is perfectly fine. I have a great deal on a SS lined up that will probably go through. If for some reason it doesn't I think I might go FI.
Awesome, let us know how it goes man. Either choice is going to be great
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Old 06-09-2013, 10:35 AM   #7
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Quote:
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I've never seen anything like this and honestly I got so damn lucky here its not even funny. I really couldn't believe what the hell I was looking at when I noticed it.


I'm in a great position now, I've got 14k and an engine that obviously is perfectly fine. I have a great deal on a SS lined up that will probably go through. If for some reason it doesn't I think I might go FI.
Holy crap! I need to check mine haha.

I think with the left over money you have from going FI you should give it to me jay kay . Glad you figured out the problem!
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Old 06-09-2013, 10:37 AM   #8
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That's crazy
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Old 06-09-2013, 10:59 AM   #9
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Wow that sucks, glad I had mine ported and polished from a different company that didn't do that filler.
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Old 06-09-2013, 11:14 AM   #10
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Whoa! I had worried about the possibility of this with repeated heat cycles, etc... No matter what kind of adhesive used, I think you'd have to weld it in place (not just JB Weld). Which is what I thought Mace (Bmore) was using.

How long you had that IM and how many miles on it?
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Old 06-09-2013, 11:40 AM   #11
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WOW! I'm shocked myself. This is the first we seen this happen out of hundreds we sold! I personally apologize that you had to experience this op. We try to make sure every IM that goes out is checked for trouble free operation but I guess there's always going to be at least one bad Apple out the bunch. The material we use is heat resistant capable to withstand everyday operation of your vehicle. Heat wasn't the issue I can assure you, and especially if you are also running a insulator. The problem was probably prepping before the material went on.

If for any reason anyone would like us to check this area and redo for assurance please drop me an email directly to velocityport410@gmail.com and we will sort this out for you but please understand that this is the FIRST we heard of this. We have guys that put on thousands and thousands of miles with zero issues.

Again, I truly apologize this had to happen op.
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Old 06-09-2013, 11:46 AM   #12
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Now that is great customer service
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Old 06-09-2013, 11:51 AM   #13
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Now that is great customer service

Mine's been on for over 25000 miles so I have to agree that I don't think heat is the problem
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Old 06-09-2013, 11:56 AM   #14
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Holy cow! Thank goodness it held together!

Yeah I bet your car is running better now for sure.
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Old 06-09-2013, 12:33 PM   #15
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Wow I can't believe it - definitely makes me think twice about the cost/benefit of a ported IM. I'm happy to hear you caught it before any damage occured.
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Old 06-09-2013, 12:36 PM   #16
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Quote:
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Awesome, let us know how it goes man. Either choice is going to be great
Yeah I'm super excited! The SS does seem like the better choice because its practically new, 15,000 miles...

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Originally Posted by kjkjr27 View Post
Holy crap! I need to check mine haha.

I think with the left over money you have from going FI you should give it to me jay kay . Glad you figured out the problem!
Lolol race me for it!

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Whoa! I had worried about the possibility of this with repeated heat cycles, etc... No matter what kind of adhesive used, I think you'd have to weld it in place (not just JB Weld). Which is what I thought Mace (Bmore) was using.

How long you had that IM and how many miles on it?
~400 miles of use...I bought it from USAFBOY, I think he said it had 5,000-10,000 miles on it, possibly even less but it wasn't much.

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Holy cow! Thank goodness it held together!

Yeah I bet your car is running better now for sure.
Much smoother as its bone stock right now, but it does feel a lot slower.
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WOW! I'm shocked myself. This is the first we seen this happen out of hundreds we sold! I personally apologize that you had to experience this op. We try to make sure every IM that goes out is checked for trouble free operation but I guess there's always going to be at least one bad Apple out the bunch. The material we use is heat resistant capable to withstand everyday operation of your vehicle. Heat wasn't the issue I can assure you, and especially if you are also running a insulator. The problem was probably prepping before the material went on.

If for any reason anyone would like us to check this area and redo for assurance please drop me an email directly to velocityport410@gmail.com and we will sort this out for you but please understand that this is the FIRST we heard of this. We have guys that put on thousands and thousands of miles with zero issues.

Again, I truly apologize this had to happen op.
I definitely appreciate the quick response. I think I reattached it really well. Its sold anyway so if the new owner is concerned I'll send him your way. Hopefully it doesn't happen to anyone else!
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Old 06-09-2013, 12:41 PM   #17
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Haha ight I'll race you for it, just let me borrow my friends 600rwhp ss .

I remember you saying you had this problems after you either seafoamed or had that deep cleaning done. Do you think that cause the piece to get dislodged?
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Old 06-09-2013, 12:44 PM   #18
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Haha ight I'll race you for it, just let me borrow my friends 600rwhp ss .

I remember you saying you had this problems after you either seafoamed or had that deep cleaning done. Do you think that cause the piece to get dislodged?
Lololol ite then I'll get my friend's 630 rwhp E46 Mtrizzle!

Interesting theory on the foam, and not out of the question. I seafoamed right when I put the manifold on. Its completely possible it ate away at it over those 400-500 miles.
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Old 06-09-2013, 12:50 PM   #19
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Glad to hear you found the problem and in time before something more serious happened.
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Old 06-09-2013, 12:59 PM   #20
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Glad you got to it before the engine got damaged. Makes me leery now of ported IM's.
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Old 06-09-2013, 02:21 PM   #21
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Glad you got to it before the engine got damaged. Makes me leery now of ported IM's.
Why? This is the first I've heard of anything happening like this in the hundreds that have been sold. I'm sure more than a few members have put thousands of miles on theirs with no problem. I know I have.
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Old 06-09-2013, 02:24 PM   #22
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Why? This is the first I've heard of anything happening like this in the hundreds that have been sold. I'm sure more than a few members have put thousands of miles on theirs with no problem. I know I have.
Same here I haven't had any issues, knock on wood.
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Old 06-09-2013, 02:54 PM   #23
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Why? This is the first I've heard of anything happening like this in the hundreds that have been sold. I'm sure more than a few members have put thousands of miles on theirs with no problem. I know I have.
Thousand of miles does not equate to tens of thousands of sales verifying the build. Most Camaro's will remain stock. Most of the modded ones will not have the ported IM in it. Add in the Caddy motor using the same intake and you still have a high PPM rate of failure.

Not worth the risk to me to lose the engine due to a failure of this sort.

Hence why I am slow to pull the trigger on mods and read, read, read and ask many questions before I do pull the trigger.
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Old 06-09-2013, 02:56 PM   #24
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I think he is just meaning that people have been reporting very noticeable gains from the ported IM so it's probably not worth the cost or risk for him, I know that's how I feel.
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Old 06-09-2013, 03:02 PM   #25
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Thousand of miles does not equate to tens of thousands of sales verifying the build. Most Camaro's will remain stock. Most of the modded ones will not have the ported IM in it. Add in the Caddy motor using the same intake and you still have a high PPM rate of failure.

Not worth the risk to me to lose the engine due to a failure of this sort.

Hence why I am slow to pull the trigger on mods and read, read, read and ask many questions before I do pull the trigger.
I actually have more than 25,000 miles on the manifold.
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