Engine, Drivetrain & Forced-Induction
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Remove Rev Limiter?

Old Apr 23, 2017 | 11:08 AM
  #16  
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Originally Posted by ILM-NC G37S
This is what the torque converter (TQ) does if you have a automatic transmission (AT). The TQ enables the separation of engine rotational speed to the AT's input shaft. I won't go into it all here but this is why a AT car can come to a full stop, while still in gear, and not stall the engine.

In the end HotSawce it is your car. Do as you will and enjoy it.
Thank you sir for being the only one here not criticizing and actually helpful.

Last edited by HotSawce; Apr 23, 2017 at 11:37 AM.
Old Apr 23, 2017 | 11:17 AM
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Originally Posted by HotSawce
Thank you sir for being one of the few who is actually here to help.
Actually, if you strip away all the snark, (mine too), you'd find the opinions actually are helpful. Whether it's help you need or help you want, that's more like your problem. Honestly, you need a 6MT if you're going to play with revving the engine without appearing, well... like a kid revving his engine in Park.

Car forum, HotSawce.

Let's see a picture of this Coupe, just because.

Last edited by Rochester; Apr 23, 2017 at 11:22 AM.
Old Apr 23, 2017 | 12:12 PM
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opcorn:
Old Apr 23, 2017 | 12:13 PM
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I'm just curious to how this free-revving while in park is going to be applied. We aren't that far apart in age so I can understand goofing around but revving to 5k will more than "show-off" your exhaust and the VQ growl. Check out the exhaust thread for what I mean. Why would you want to even put the car into a situation where you could cause damage?

I understand what you're saying about being under load vs. not being under load but I'm not an engineer and my knowledge is limited; but you even admitted you're not a car guy. So the information provided by senior members should be taken into consideration since a lot of them are car guys and understand this stuff a lot better than you; even though they might not be engineers. It's an experience thing man, they're been there - done that. That being said, I can ask my father and my brother, whom are both engineers, to find an answer for you if you'd like - my dad also happens to be a car guy who has rebuilt a 72 Spitfire and a 69 Firebird so he knows a thing or two.

Try not to take the age discrimination too much to heart , Lord knows I've done some dumb stuff and inquired about doing dumb stuff to cars and have received a tongue lashing; but the members on hear mean well. Last thing anyone wants to see is you blow your engine and be back posting where to find a new one.
Old Apr 23, 2017 | 12:51 PM
  #20  
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Originally Posted by RMB5190
I'm just curious to how this free-revving while in park is going to be applied. We aren't that far apart in age so I can understand goofing around but revving to 5k will more than "show-off" your exhaust and the VQ growl. Check out the exhaust thread for what I mean. Why would you want to even put the car into a situation where you could cause damage?

I understand what you're saying about being under load vs. not being under load but I'm not an engineer and my knowledge is limited; but you even admitted you're not a car guy. So the information provided by senior members should be taken into consideration since a lot of them are car guys and understand this stuff a lot better than you; even though they might not be engineers. It's an experience thing man, they're been there - done that. That being said, I can ask my father and my brother, whom are both engineers, to find an answer for you if you'd like - my dad also happens to be a car guy who has rebuilt a 72 Spitfire and a 69 Firebird so he knows a thing or two.

Try not to take the age discrimination too much to heart , Lord knows I've done some dumb stuff and inquired about doing dumb stuff to cars and have received a tongue lashing; but the members on hear mean well. Last thing anyone wants to see is you blow your engine and be back posting where to find a new one.
Regarding the whole load vs non-load thing, according to what ILM pointed out, I believe my thinking was correct. Having no load on the engine isn't going to directly induce more stress on engine components. That makes no sense. However, it would increase the chances of revving too high (past redline) and causing damage that way, which makes sense. (but not to the degree the first responder made it seem)

Like I said, it's not so I can childishly rev my car everywhere I go. If that was the case, I'd already be doing that. It's for the same reasons that everyone here who has a 6MT, or had a car without a limiter, has ever revved theirs a little higher. Because sometimes, it's nice to be able to hear the full growl without all of road noise. I KNOW I'm not the only one. Even Stealthee, who originally tried criticizing me, open admitted to doing it himself right after

I was just curious. I didn't realize many here were so critical. Some even go as far as to make downright foolish comments about one's career path. As far as I'm concerned, we can /thread.

Last edited by HotSawce; Apr 23, 2017 at 12:58 PM.
Old Apr 23, 2017 | 01:04 PM
  #21  
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Originally Posted by Rochester

Let's see a picture of this Coupe, just because.

Old Apr 23, 2017 | 01:21 PM
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Stealthlee was making a point about putting it in gear first then revving it in order to pass the 5k limiter. Different than your inquiry about revving it past the 5k limiter while in park.

I'm more of a sports guy, so if I had to compare it to anything, I'd say it's similar (awful example but bear with me) to a pitcher in baseball. Whipping one's arm at a high and unnatural rate of speed (revving), with the little to no resistance a baseball provides (no load) can result in blown rotator cuffs, torn ulnar nerves, labrums, (spun bearings, floating valves, heat) etc. Compared to a softball player who uses a bigger ball (load), and goes through a natural motion with the arm at a lower rate of speed (our revving in this scenario). Not to mention, this makes the softball pitcher much more reliable, even though she is pitching game after game and at pitch counts at 70+ where a baseball pitcher is only good for 1 game every 5 days and maxes at 100-120 pitches per game and still can blow their arm out at any moment.

Edit: Gorgeous IPL BTW. Really looking forward to more pics and your progress.
Old Apr 23, 2017 | 01:37 PM
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Oh man, that is drop-dead gorgeous.

Old Apr 23, 2017 | 02:07 PM
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Can we just not? Cons outweigh the pros of what you are trying to do. If you want a high RPM rev, drive in a low gear. As suggested, it makes no sense to rev that high. It's a reason it came from the factory with the limiter..
Old Apr 23, 2017 | 03:27 PM
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Originally Posted by HotSawce
As far as I'm concerned, we can /thread.
Best idea you've had since posting this thread. I concur.


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