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Old 02-16-2015, 08:36 PM   #1
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7.5k rpm safety ?

On my 5.0 2014 gt , its safety to open 7500 rpm on stock engine , stock filter , everything stock
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Old 02-16-2015, 08:44 PM   #2
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I would avoid doing it much if at all

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---------- Post added at 07:44 PM ---------- Previous post was at 07:44 PM ----------

I'm not sure if the stock manifold will even allow that

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Old 02-16-2015, 10:39 PM   #3
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Yes it's totally safe. I have my auto shifting at 7600.
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Old 02-16-2015, 10:43 PM   #4
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Yes it's totally safe. I have my auto shifting at 7600.
Hm really? Good to know lol

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Old 02-17-2015, 10:45 AM   #5
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I've taken mine to 7500 a number of times and my motor seems to be doing ok. Am I going to push the motor to 7500 all of the time............no. The only thing that nags me and keeps me from doing it on a regular basis is that I am somewhat worried about the OE rods and pistons. I know drag racers have pushed the OE block and crank into the 2500hp levels..........can you believe some of these guys making 2500hp are using the OE Boss302 cams?
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Old 02-17-2015, 08:48 PM   #6
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Also have my auto shifting at 7500. No boom so far. With a stock intake your just gonna be slower shifting that high though. Pointless.

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Old 02-17-2015, 08:56 PM   #7
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What things would help make shifting that high less of a danger?


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Old 02-17-2015, 09:03 PM   #8
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Forged bottom end. Better valve Springs maybe? Supposedly some people shift over 8k on a stock motor with boss intake and cobra jet intakes. Wouldn't expect to get 100k+ out of it tho

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Old 02-17-2015, 09:06 PM   #9
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You're asking all the same questions I did when I got my tune trying to see what was optimal but safe. Nobody has a definitive answer yet. Time will tell I guess. People were all over the place with answers but none based on any incidents or facts for the most part. Just speculation. The concensus was quite a few are shifting at 7500 with no issues.... Then again all these cars are probably under 50k miles. Personally I expect my engine to last 150k or better if I keep it that long with today's engines.

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Old 02-17-2015, 09:06 PM   #10
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That's the reason I don't really know if I should even think about the boss intake. I was just curious if there was a way to make the boss intake worth it without compromising too much life on the motor.


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Old 02-17-2015, 10:03 PM   #11
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Although I don't relish blowing the motor, if you want something that will take the abuse, all you need is a good set of forged rods and pistons.
I had a 4.6DOHC in my 97 SVT Mustang and it saw some hard use in the 32k miles before I broke it by putting 13lbs boost on the Whipple and drag racing it at SIR. It broke a ring land on number 8 cylinder............and I drove from SIR to Portland with damage. If I had put good pistons and rods in the motor I'm sure it would still be running today.
Like the ole saying goes, "You can pay for it now before it breaks, or pay later when it breaks". Keep abusing an OE motor and one day it will abuse you back...........usually in the pocket book.
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Old 02-18-2015, 10:46 AM   #12
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Wow, I didn't know that. Ill have to keep that in mind when I get a tuner.
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Old 02-18-2015, 11:06 AM   #13
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Quote:
Originally Posted by Ahmadalbadrii View Post
On my 5.0 2014 gt , its safety to open 7500 rpm on stock engine , stock filter , everything stock
Just a question since I bought my car used with a tune already on it, will a bone stock 5.0l turn 7500?
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Old 02-18-2015, 11:09 AM   #14
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Originally Posted by kona stang707 View Post
That's the reason I don't really know if I should even think about the boss intake. I was just curious if there was a way to make the boss intake worth it without compromising too much life on the motor.

If you want the Boss302 intake go for it. I think GrabberBlue5.0 can expand on this more since he drives his car on the street. Just remember he has done mods that support it. I think putting Boss302 intake on a bone stock car is kind of waste of money, but it's your car. And if you want to buy one do it before they are gone, as FRPP has discontinued making parts for the Boss302.


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Old 02-18-2015, 11:37 AM   #15
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I would like to get one if I'm not having to push it too hard because I can't afford a new motor and I don't plan on getting a new car a good while and I'm already at 53k. At the same time I also want more power I just don't want to sacrifice too much engine life.


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Old 02-18-2015, 11:50 AM   #16
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I would NEVER go over the redline on the tac...ever. Your just asking for a blown engine. They aren't race cars you know!
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Old 02-18-2015, 11:54 AM   #17
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Originally Posted by kona stang707 View Post
I would like to get one if I'm not having to push it too hard because I can't afford a new motor and I don't plan on getting a new car a good while and I'm already at 53k. At the same time I also want more power I just don't want to sacrifice too much engine life.


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You are at $53,000, what did you do to the car, can you explain what you've done to the car?
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Old 02-18-2015, 11:58 AM   #18
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Originally Posted by olerodder View Post
You are at $53,000, what did you do to the car, can you explain what you've done to the car?

Haha, not 53,000$ I meant 53k miles. Unfortunately I don't have that kind of money.


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Old 02-18-2015, 12:04 PM   #19
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I would NEVER go over the redline on the tac...ever. Your just asking for a blown engine. They aren't race cars you know!
So, if they weren't meant to be "Put on Track", why does my oil filler cap say 5/50w, or have an engine oil cooler, 3.73 gears, etc., etc.?
Although I wouldn't recommend going into the red zone constantly, I've done it a number of times in 3, 4th, and 5th gear without any noticeable effects.............so far.
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Old 02-18-2015, 12:08 PM   #20
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Originally Posted by kona stang707 View Post
Haha, not 53,000$ I meant 53k miles. Unfortunately I don't have that kind of money.


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, ok I was going to say WOW, he needs to show some pictures.
Well, I assume the warranty is now gone, right? So if it is do whatever you want, you only live once and when you leave this earthly place just don't have any regrets.........you're young, just "Get'er Done".
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Old 02-18-2015, 12:22 PM   #21
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, ok I was going to say WOW, he needs to show some pictures.
Well, I assume the warranty is now gone, right? So if it is do whatever you want, you only live once and when you leave this earthly place just don't have any regrets.........you're young, just "Get'er Done".

I actually still have my warranty till 70k miles or another 2 years but I have heard that if the part didn't cause the problem then the warranty will cover it but I could be mistaken. But my dad knows someone at the dealership that sells the warranties and has known him for a long time so I think I'm alright considering they are gonna be repainting my car and replaced the AC compressor and I've done stuff to it already.


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Old 02-18-2015, 12:29 PM   #22
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I would NEVER go over the redline on the tac...ever. Your just asking for a blown engine. They aren't race cars you know!
Seriously?


Plenty of us are spinning these motor well past redline with zero problems.
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Old 02-18-2015, 12:32 PM   #23
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Originally Posted by kona stang707 View Post
I actually still have my warranty till 70k miles or another 2 years but I have heard that if the part didn't cause the problem then the warranty will cover it but I could be mistaken. But my dad knows someone at the dealership that sells the warranties and has known him for a long time so I think I'm alright considering they are gonna be repainting my car and replaced the AC compressor and I've done stuff to it already.


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If your warranty is a Ford Warranty, ok having your dad know someone is great, but once you start pulling the intake off and replacing it with a FRPP, that makes things a lot different than just replacing mufflers or control arms............and if it is a non-Ford warranty putting non-Ford parts on the car will not be looked at very well and changing engine parts is not allowed. The Ford warranty basically says that it is at the sole discretion of the Ford Dealer, and if they don't fight for you the warranty will not be honored.
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Old 02-18-2015, 01:08 PM   #24
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So, if they weren't meant to be "Put on Track", why does my oil filler cap say 5/50w, or have an engine oil cooler, 3.73 gears, etc., etc.?
Although I wouldn't recommend going into the red zone constantly, I've done it a number of times in 3, 4th, and 5th gear without any noticeable effects.............so far.

Lol, so an oil cooler, higher temp oil, and 3.73 gears make it a race car nowadays..?

You go right ahead and wind that baby up to 7,500 rpm all you want bro.


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Old 02-18-2015, 01:14 PM   #25
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Seriously?





Plenty of us are spinning these motor well past redline with zero problems.

Just remember that these are mass produced in a factory by your typical factory worker types and automated systems. We aren't talking about a GT500 that has some elements of hand built or in-shop transformations by experts. Just saying


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Old 02-18-2015, 01:39 PM   #26
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Just remember that these are mass produced in a factory by your typical factory worker types and automated systems. We aren't talking about a GT500 that has some elements of hand built or in-shop transformations by experts. Just saying


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You're saying it can't be done, but I along with many others are doing it.

What do you rev your Coyote to?
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Old 02-18-2015, 01:44 PM   #27
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You're saying it can't be done, but I along with many others are doing it.

What do you rev your Coyote to?
Will the stock computer allow to rev that high or do you need to adjust a few parameters?

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Old 02-18-2015, 01:47 PM   #28
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You're saying it can't be done, but I along with many others are doing it.

What do you rev your Coyote to?
Where did you read "can't"? I'm saying I wouldn't and I'm suggesting to unknowledgaeble peeps out there that they shouldn't.

You do what you want. I don't own a Coyote and I can tell you if I paid $40 for a car, I sure the hell wouldn't increase or turn off the rev limiter so I could pound my street car into engine hell. But, I'm an adult so..
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Old 02-18-2015, 01:47 PM   #29
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Lol, so an oil cooler, higher temp oil, and 3.73 gears make it a race car nowadays..?

You go right ahead and wind that baby up to 7,500 rpm all you want bro.


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Ok dude, its your car, you've got your opinion.........and I respect that.
What I don't respect is someone who probably knows nothing about the 5.0l Coyote yet calls the less knowledgeable people "Peeps". Have you ever raced a car or built a motor? My guess would be no, right?
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Old 02-18-2015, 01:51 PM   #30
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Originally Posted by natestang07 View Post
Will the stock computer allow to rev that high or do you need to adjust a few parameters?
On the autos the stock computer will allow you to rev to 7900.
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Where did you read "can't"? I'm saying I wouldn't and I'm suggesting to unknowledgaeble peeps out there that they shouldn't.

You do what you want. I don't own a Coyote and I can tell you if I paid $40 for a car, I sure the hell wouldn't increase or turn off the rev limiter so I could pound my street car into engine hell. But, I'm an adult so..
Oh so you're an expert on these cars but you don't own one? Just for shiits and giggles, which Mustang are you an expert on? A Mach 1?
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Ok dude, its your car, you've got your opinion.........and I respect that.
What is the maximum rpm have you've had your Coyote too?
Lol he doesn't even own one.
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Old 02-18-2015, 01:59 PM   #31
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On the autos the stock computer will allow you to rev to 7900.

Oh so you're an expert on these cars but you don't own one? Just for shiits and giggles, which Mustang are you an expert on? A Mach 1?

Lol he doesn't even own one.
Let's put it this way, if you are running your Coyote up to 7900 rpm on stock parts, I'm more of an expert on anything you can think of.

Seriously tho, there are no experts here. This is an internet forum. I don't claim to be an expert about anything. I've just owned enough performace oriented cars in my day, that I know these cars are not built for that type of abuse. Sure, they'll do it, but there life will be shortened on each event compared to one that has stayed under the redline. Why do they have rev limiters? So you don't blow your engine. I actually reduced my stock rev limit to 6850 from 7000 with my tuner, just in case I miss a gear at the drag strip.
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Old 02-18-2015, 02:00 PM   #32
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Originally Posted by Grabber Blue5.0 View Post
On the autos the stock computer will allow you to rev to 7900.

Oh so you're an expert on these cars but you don't own one? Just for shiits and giggles, which Mustang are you an expert on? A Mach 1?

Lol he doesn't even own one.
Man if you would have said "just for shifts and giggles" this thread would have been epic

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Old 02-18-2015, 02:00 PM   #33
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Lots of bad info in here

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Old 02-18-2015, 02:02 PM   #34
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Lots of bad info in here

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Sorry

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Old 02-18-2015, 02:04 PM   #35
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Lots of bad info in here

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^Here's the expert!
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