C6 Corvette (LS2) Air Intake Upgrade to LS7 Testing (Is it worth it?)
ฝัง
- เผยแพร่เมื่อ 28 ต.ค. 2023
- In this video we test an LS7 air intake assembly on a stock C6 LS2 to determine if the upgrade is worth it - or not?
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Very interesting. I can't wait til the next video.
This is great! I just did this because of this video and had my car dyno'd today and it made 384whp 380tq. Excellent mod and video!
LS2 with a six-speed manual? If so that sounds pretty healthy!
Yes LS2 with 6 spd. Only other mod is catback magnaflow.
What a life saver.
Have you researched or considered a polished and ported TB whether the same size or larger? Thoughts, is it worth it or a waste? Also you could go as far as the intake manifold? Great information you've provided!
I'm doing this because I did an LS3 top end on my 06 and a Cam Motion .595 list 220/230 cam, along with LS7 manifolds and cats, 3" pipes back to a Borla S-Type, so I think the improvement will be more that what you see.
100% concur, let us know how it goes!
Already bought my LS7 intake. Hopefully I wasn't too preemptive
Hope you didn't buy the LS7 intake manifold, because it will not work on any other LS engine.....
Find your videos very interesting. Wondering if the same changes can be made to an LS3?
Ls3 has the same AF intake as the LS7 except it has the ugly box ( Helmholtz resonator) on the side. That box quiets down the intake a bit and also makes the airflow more regular across the MAF sensor. The only difference most would notice would be aesthetics IMO.
In order to have fresh air with the LS7 intake, but also with LS2 intake, I recommend you to install a Vette-air scoop. I have one and it is worth it 👍
Logically - it seems like it would help!!! I would love to test it - but once you cut something up .... (:-) Oddly enough - Halltech says it won't help, and may even cause surging and codes. " We do not recommend cutting any holes in your radiator shroud (in an attempt to get more air to the filter). It is not necessary, and will cause lean codes and surging."
@@Toys4Life
With the original LS2 intake, there is no problem since the filters are open at the top. They capture more fresh air without directly experiencing forced air flow. And it seems to me that there is no need for reprogramming for this configuration. On the other hand, for LS3 and LS7 intakes, it is true that there may be an engine fault because the air pressure is too high on the MAF sensor. This is resolved by reprogramming the computer, which you know how to do. And for your information, the cutout of the Vette-air in the shroud is very small. If there really is a problem, it is possible to close the hole by sticking a plastic plate.
Very interesting. Although I have a C5, I found your approach thought provoking and practical. Question…Is the LS2 intake manifold adaptable to the LS1/6 ?
Yes, I would like to know as well!
Dont even THINK about using the LS2 intake over the LS1, or especially the LS6. It was proven-several times-years ago that the LS2 intake isn't nearly as good as the other LS intakes. Why? I dont know, but more than one dyno test confirmed it's inferior to the other LS intakes.....
@bat5917 Pretty sure you're talking about the air intake assembly and not the intake manifold, correct?
@Milojanis4901 Agreed, the LS2 intake manifold manufacturing process was made a different way that basically means it sucks.
@@Toys4Life Yup, that jogs my memory now. Too bad, that would have been a much cheaper way to match up the LS2 throttle body.
how diffrent is the ls2 to the ls1 maf? when adding a supercharger would you NEED to do this upgrade?
Later year LS1a are the same size as the LS2. I would try to make sure I had at least the later year LS1/ LS6 mass air flow sensor with the supercharger kit. You still exceed the mass airflow sensors ability to read, unless you go with larger piping coming in or get rid of the mass airflow sensor and run speed density only.
Zoom zoom!
@Toys4Life , any updates on how its running? Could I get a copy of your tune file?
I ran out of time in the fall, It runs good, but my tune file is not dialed in yet and I need to check the IATs versus reality to make sure everything is in order. First order of business in spring!
Sounds fair my friend!@@Toys4Life
Delivered CFM would be a better measure.
I appreciate the comment. My belief (which may be wrong) is that whichever intake system results in the lowest pressure drop inside the manifold would yield the greatest flow. Pressure and flow are related. Please explain how you would measure CFM and how you know it is better (I assume you mean more accurate) than the pressure drop methodology I used.
@@Toys4Life Any intake will flow X CFM, and calculating an engine's CFM needs is pretty simple (CFM = (displacement x RPM) ÷ 3,456). Volumetric efficiency takes over from there. I would expect you could pull those numbers from your tuning software?