6.4 intake manifold install (2013 RT+ Blacktop) - Page 10 - Dodge Charger Forums
Performance Discussion/Modifications (2011 +) Discuss any performance modification in this section of Dodge Charger Models 2011 and up.

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post #91 of 95 Old 03-26-2017, 08:18 PM
Hazmat11
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Originally Posted by LBCharger562 View Post
The problem is that I feel like the high RPMs is where our big cars should shine. I'm hoping when I eventually do my cam and SRT mids (I'm in California) my car should pull hard just about from any RPM range. I do have plans of doing a LSD 3.55 rear end eventually too but that's down my mod list.

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High RPM operation is really the antithesis of what a larger displacement V8 is designed to do. If you really want to leverage higher RPM breathing then a cam would be the best option. I do understand what you mean though. The 5.7 feels like it peters out at around 5500 or so. With a good cam, you can get that to 6000-6200 depending on the cam profile and how well the heads flow. There's no point in taking it up that high if it's simply not making power.

If I had a choice between creating more area under the curve I'd take that over increasing high RPM capability. The 420 lb/ft that Not_A392 is getting is much more useable and valuable than a few hundred RPM on the top end.

If you really want to make the 5.7 shine, I always recommend

- Gears (3.91)
- SRT manifolds and mid pipes
- AMG Blue top solenoids (if using the NAG1 5 speed) - the NAG1 is dog lazy on shifting and benefits greatly from increased line pressure.

That makes for a monster of a car.

Keep us posted and let us know how everything goes!

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post #92 of 95 Old 03-26-2017, 08:27 PM Thread Starter
LBCharger562
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Quote:
Originally Posted by Hazmat11 View Post
High RPM operation is really the antithesis of what a larger displacement V8 is designed to do. If you really want to leverage higher RPM breathing then a cam would be the best option. I do understand what you mean though. The 5.7 feels like it peters out at around 5500 or so. With a good cam, you can get that to 6000-6200 depending on the cam profile and how well the heads flow. There's no point in taking it up that high if it's simply not making power.

If I had a choice between creating more area under the curve I'd take that over increasing high RPM capability. The 420 lb/ft that Not_A392 is getting is much more useable and valuable than a few hundred RPM on the top end.

If you really want to make the 5.7 shine, I always recommend

- Gears (3.91)
- SRT manifolds and mid pipes
- AMG Blue top solenoids (if using the NAG1 5 speed) - the NAG1 is dog lazy on shifting and benefits greatly from increased line pressure.

That makes for a monster of a car.

Keep us posted and let us know how everything goes!
I have the 3.06 gears so I'm in no hurry to upgrade that yet with other stuff on my mod list. I also have a tranzformer so my shifts are better than stock even though the solenoids would be nice
SRT mids are definitely on my to do list but im going to wait until I do my cam to save some money on the install. I really wish these mods weren't so expensive lol
The charger is my only car and im not looking to make it a track monster. After upgrading my brakes and tires I will be doing a lot of cosmetic mods to my car. I just want my car to look great and back it up with power but not overkill for daily driving.

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Last edited by LBCharger562; 03-27-2017 at 04:02 AM.
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post #93 of 95 Old 03-27-2017, 04:59 AM
Hazmat11
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Originally Posted by LBCharger562 View Post
I have the 3.06 gears so I'm in no hurry to upgrade that yet with other stuff on my mod list. I also have a tranzformer so my shifts are better than stock even though the solenoids would be nice
SRT mids are definitely on my to do list but im going to wait until I do my cam to save some money on the install. I really wish these mods weren't so expensive lol
The charger is my only car and im not looking to make it a track monster. After upgrading my brakes and tires I will be doing a lot of cosmetic mods to my car. I just want my car to look great and back it up with power but not overkill for daily driving.

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It sounds like you have a good plan and a definite end in mind. That always helps.

Looking forward to seeing it all come together!
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post #94 of 95 Old 03-27-2017, 08:08 AM Thread Starter
LBCharger562
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Originally Posted by Hazmat11 View Post
It sounds like you have a good plan and a definite end in mind. That always helps.

Looking forward to seeing it all come together!
There is no such thing as an end lol there is always something to upgrade lol. Thanks I will be posting more as I start doing bigger mods. SRT Brembo conversion and 315 rear 275 front rim/tire combo hopefully coming soon if everything goes as planned 😆

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post #95 of 95 Old 03-27-2017, 08:27 AM
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Good job. You will love your car after tuning it.
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