Re: Improve a pre 2009 5.7L How?
[Re: V194]
#2489963
04/30/18 01:45 PM
04/30/18 01:45 PM
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Joined: Jan 2006
Posts: 1,400 Trumbauersville PA
ric3xrt
pro stock
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pro stock
Joined: Jan 2006
Posts: 1,400
Trumbauersville PA
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Eagle Heads And intake manifold, SRT 6.1 Cam , Headers and A good tune. If the Eagle heads are too much compression, then go and get 6.1s. You can port the pre Eagle heads and get good results. that's my 5.
Truth has no agenda, but those with an agenda make their own truth. Some of us are so open minded they only see their View
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Re: Improve a pre 2009 5.7L How?
[Re: V194]
#2490016
04/30/18 03:14 PM
04/30/18 03:14 PM
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Joined: Jan 2005
Posts: 12,415 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,415
Kalispell Mt.
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I pretty much agree with ric. Also I would not be afraid of the compression, I measured one and it came to 11.5, the 6.4 has 10.9 from the factory so your only 1/2 point over that, run premium pump fuel, you will get improved MPG from the compression and it will not cost much if any more in the end. These motors are very detonation resistant.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Improve a pre 2009 5.7L How?
[Re: V194]
#2494785
05/11/18 03:14 PM
05/11/18 03:14 PM
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Joined: Jan 2005
Posts: 12,415 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,415
Kalispell Mt.
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the headers may give you a code for "slow cat warm up" "slow O2s response" or something to that effect and will not bolt right up to the exhaust, if were talking shorties they aren't worth the bother anyhow. A tune may be able to eliminate that but if they visually look it won't look stock and they may need to see a carb EO number. Maybe you help the exhaust and still look stock enough with an exhaust system from an 09 3/4 or 1 ton hemi truck, it flows way better and looks like, well a stock system.
The cam might give you a misfire code but I have not seen that problem myself. Again a tune should be able to cure that.
Overall you should be able to do all that with no issues except possibly the headers. Obviously don't mention that you have a non stock cam or heads while at the testing station.
You probably should be looking at a high flow intake also as you need to flow a lot more air in to match the higher flow after it, probably need to find one that has a carb EO number or put the stock one on during testing. They still have a looky around under the hood don't they?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Improve a pre 2009 5.7L How?
[Re: V194]
#2494932
05/11/18 10:38 PM
05/11/18 10:38 PM
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Joined: Feb 2003
Posts: 18,582 Rust Belt, SW PA
Silver70
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 18,582
Rust Belt, SW PA
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With tuning software you can actually mark stuff not to report... which won't show up in an emissions test, meaning it would pass. I'm not saying to do this, probably illegal, but can be done.
Basically emissions checks for stored codes and there are readiness monitors. Like for o2 sensors, evp system etc.
68 Road Runner, 69 Belvedere, 71 Challenger Vert 340 barracuda, 01 Ram CTD, 95 Ram, 04 Ram, 85 Daytona turbo Z 66 GTO, 06 Magnum RT AWD. 07 Ram CTD, 07 Ram
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