I hope nobody had stock in aftermarket engine mounts
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07-05-2021, 11:17 AM
Former Vendor
I've only shared this data in my classes before I shot this very impromptu video last week. This is nothing new to us, I first saw this in 2008, and even before that.... I just never did a back to back till then. Once we did the back to back all the odd tuning and crappy plots shapes made sense. Looking at ignition angle and EGT simultaneously was alarming.
I'm sure the people that love these things will have an "issue" with these results, and will post their response videos. If they do that, well I'll throw in the ignition angle retardation, and exhaust gas temp data and a few other things that can't be disputed.
This is not an isolated experience, or manufacturer dependent- we see this with every brand of mount, some are worse than others but none are better than stock.
The next video will show me smashing these mounts with a tank, then melting the remnants with a flamethrower.
I'm sure the people that love these things will have an "issue" with these results, and will post their response videos. If they do that, well I'll throw in the ignition angle retardation, and exhaust gas temp data and a few other things that can't be disputed.
This is not an isolated experience, or manufacturer dependent- we see this with every brand of mount, some are worse than others but none are better than stock.
The next video will show me smashing these mounts with a tank, then melting the remnants with a flamethrower.
#2
Racer
I knew false knock was an effect but that 10-15 wtq difference in the 5700-6200 range (where the fun really happens) is substantial. This video should be cross-posted in every M9x subforum, at the very least.
Last edited by NAMR6MT; 07-05-2021 at 08:53 AM.
#3
Former Vendor
I've only shared this data in my classes before I shot this very impromptu video last week. This is nothing new to us, I first saw this in 2008, and even before that.... I just never did a back to back till then. Once we did the back to back all the odd tuning and crappy plots shapes made sense. Looking at ignition angle and EGT simultaneously was alarming.
I'm sure the people that love these things will have an "issue" with these results, and will post their response videos. If they do that, well I'll throw in the ignition angle retardation, and exhaust gas temp data and a few other things that can't be disputed.
This is not an isolated experience, or manufacturer dependent- we see this with every brand of mount, some are worse than others but none are better than stock.
The next video will show me smashing these mounts with a tank, then melting the remnants with a flamethrower.
I'm sure the people that love these things will have an "issue" with these results, and will post their response videos. If they do that, well I'll throw in the ignition angle retardation, and exhaust gas temp data and a few other things that can't be disputed.
This is not an isolated experience, or manufacturer dependent- we see this with every brand of mount, some are worse than others but none are better than stock.
The next video will show me smashing these mounts with a tank, then melting the remnants with a flamethrower.
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#4
Rocky Mountain High
Rennlist Member
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Interesting data!
#5
RL Community Team
Rennlist Member
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That knowledge, and the difference in price, made installing new OEM mounts a no brainer.
Thanks for sharing your knowledge Jake!
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wildbilly32 (07-05-2021)
#6
Three Wheelin'
Mounts , Plenums ,Cold air mods , Aftermarket air filters and intakes .... all a bunch of malarky ... Nice vid !!
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#7
Former Vendor
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#8
Drifting
Damn, I just went "all in" on an engine mount ETF!
I wonder if you would see a similar difference with worn-out stock mounts versus new OEM mounts.
.
I wonder if you would see a similar difference with worn-out stock mounts versus new OEM mounts.
.
Last edited by peterp; 07-30-2021 at 03:02 PM.
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Gingerman (07-07-2021)
#9
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Eurocarguy911 (07-07-2021)
#10
Former Vendor
A before and after test using an anemometer or other device that could measure airflow would put this baby to rest.
"Modded to death" is my favorite term these days.
#11
Rennlist Member
OMGoodness! I love this data. What poor thinking I went through when replacing my mounts to semi-solid. My thoughts were about power transfer loss due to mount stiffness. WRONG! Vibration sensors driving fuel and ignition circuits are very clearly affected. Guess I need to get rid of my '60's - '70's muscle car mentality... Super thanks for sharing!
#12
Former Vendor
OMGoodness! I love this data. What poor thinking I went through when replacing my mounts to semi-solid. My thoughts were about power transfer loss due to mount stiffness. WRONG! Vibration sensors driving fuel and ignition circuits are very clearly affected. Guess I need to get rid of my '60's - '70's muscle car mentality... Super thanks for sharing!
Anything with a knock sensing system, and safety retard will see the negatives of false knock.
Everything matters. Every day is a school day here. I'm on the flow bench today, and I've already learned something that I didn't know at 0900 this morning.
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#13
Drifting
I have asked people who sell screens for the test result data of air flow without then with their product. None have supplied the requested information.
Doesn't matter to me because I know my engine guy would hunt me down like I was a chicken stealing dog if I put a set set on! No Thank You! I'll take a hard pass...
Doesn't matter to me because I know my engine guy would hunt me down like I was a chicken stealing dog if I put a set set on! No Thank You! I'll take a hard pass...
#14
Former Vendor
I have asked people who sell screens for the test result data of air flow without then with their product. None have supplied the requested information.
Doesn't matter to me because I know my engine guy would hunt me down like I was a chicken stealing dog if I put a set set on! No Thank You! I'll take a hard pass...
Doesn't matter to me because I know my engine guy would hunt me down like I was a chicken stealing dog if I put a set set on! No Thank You! I'll take a hard pass...
If they did have it, they would not know how to interpret it.
All they know is they look good, and they "keep the radiators clean". Both of those sell them.
By all means I want them to keep selling them. I wonder if they'd consider putting one of my brochures in each of the product shipments?
#15
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I have asked people who sell screens for the test result data of air flow without then with their product. None have supplied the requested information.
Doesn't matter to me because I know my engine guy would hunt me down like I was a chicken stealing dog if I put a set set on! No Thank You! I'll take a hard pass...
Doesn't matter to me because I know my engine guy would hunt me down like I was a chicken stealing dog if I put a set set on! No Thank You! I'll take a hard pass...
For those that are considering inlet grilles, I think it's important to understand that these cars were never engineered and designed with anything restricting or defusing airflow through the radiators and condensers. Inlet grilles will block larger objects (e.g. leaves), but the little stuff like dirt and road debris will still get through the grilles. And, in my experience, that's what gets clogged between the radiator and condenser. The big stuff can be easily vacuumed out with an extension tube.