80mm Throttle Body for the LFX

[2LS14]

If I purchase this TB, do I need to purchase a spacer or any other parts?

[C-redfly]

Originally Posted by 2LS14

If I purchase this TB, do I need to purchase a spacer or any other parts?

It comes with the adapter plate.

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[sixtyseven]

Originally Posted by 2LS14

If I purchase this TB, do I need to purchase a spacer or any other parts?

Keep in mine the front of this TB is larger (3-1/2") compared to stock (3").
That's where your intake hose clamps to the front of throttle body. Depending on what your using CAI or stock not sure if the hose will stretch on or not. Might need to customize the fit.

[Jason@JacFab]

Something like this might work, but I imagine it might be a little long. You might have to shorten it a little.

http://www.frozenboost.com/intake-pi...ucer-p-74.html

[yzark99]

Would there be a problem putting a V6 MAF into a V8 pipe? Not much sense in opening up a V6 pipe for the larger diameter if it won't be able to flow more air.

[Jason@JacFab]

Originally Posted by yzark99

Would there be a problem putting a V6 MAF into a V8 pipe? Not much sense in opening up a V6 pipe for the larger diameter if it won't be able to flow more air.

Putting the v6 MAF into a larger pipe (v8 size, or any other) will require tuning...

I'm not sure I'm 100% following you on the question? I don't think the size of the intake tube is a restriction for 99% of v6 people. The 1% being boosted applications trying to REALLY push the limits. Like MagnumForceGB.

If the tube was a restriction, then my ported intake wouldn't show the kind of gains that it does, it would still be restricted by the tube and nothing would be gained. Which leads me to believe the tube is fine for most applications.

[yzark99]

If only there was someone with a flow bench who could test this theory; when they are done welding up flowers of course...

[waytoofast]

thanks for posting that, great info , thanks jon

Originally Posted by Jason@JacFab

Something like this might work, but I imagine it might be a little long. You might have to shorten it a little.

http://www.frozenboost.com/intake-pi...ucer-p-74.html

[Jason@JacFab]

Originally Posted by yzark99

If only there was someone with a flow bench who could test this theory; when they are done welding up flowers of course...

I've already tested a stock intake with the stock throttle body vs the 80mm... There was a decent gain just from that and not even modifying the intake...

I was hoping Will might have shared that info already as it's not my product, so not really my thunder to share.

I really don't think it's necessary to change the whole tube. If I had the parts to test it I would, but I'm kinda tired of blowing my own $$$ of random stuff to test when it does me no good, if you know what I mean?

I have a v8 CAI intake here. If someone wants to send me their v6 CAI intake tube so it would be a fair comparison, I'm game.

And for that matter none of the v8 cold air intake tubes will fit on a v6, I doubt the stock v8 tube would even fit. Either way would take serious modification or manufacturing a new part.


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[MagnumForceGB]

The intake tube will only become a restriction if you had huge cams, enlarged heads, and spun the motor past 8000 rpm. Boosted applications are doing twice the amount of air as NA and the restrictions are there with 2.5" pipes.

You can make a custom 3.5" intake pipe all the way but be prepared to spend money.

[C-redfly]

Originally Posted by Jason@JacFab

Putting the v6 MAF into a larger pipe (v8 size, or any other) will require tuning...

I'm not sure I'm 100% following you on the question? I don't think the size of the intake tube is a restriction for 99% of v6 people. The 1% being boosted applications trying to REALLY push the limits. Like MagnumForceGB.

If the tube was a restriction, then my ported intake wouldn't show the kind of gains that it does, it would still be restricted by the tube and nothing would be gained. Which leads me to believe the tube is fine for most applications.

Hey Jason so it will require tuning for a larger intake pipe but not required for the 80mm tb or your ported intake. Can you enlighten me on this subject. Much appreciated.

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[Jason@JacFab]

Originally Posted by C-redfly

Hey Jason so it will require tuning for a larger intake pipe but not required for the 80mm tb or your ported intake. Can you enlighten me on this subject. Much appreciated.

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If you change the diameter of the intake tube where the MAF sensor is, the MAF sensor will not report the correct readings. The values for the sensor in the tune need to be rescaled so the MAF sensor will report the correct readings for the new pipe size.

So if you don't mess with the tube, the MAF sensor should still report correct airflow readings if more air is being pulled through it via ported intake, and/or 80mm tb...

Will says in the first post that tuning is not required, but would be beneficial for the 80mm TB. Same thing I say for my ported intakes. It's not required, but without a tune, some power is potentially still being left on the table.

Hopefully both will play nice together, and no tune will be required, but at the end of the day, you're probably still leaving something on the table without the tune.

[C-redfly]

Originally Posted by Jason@JacFab

If you change the diameter or the intake tube where the MAF sensor is, the MAF sensor will not report the correct readings. The values for the sensor in the tune need to be rescaled so the MAF sensor will report the correct readings for the new pipe size.

So if you don't mess with the tube, the MAF sensor should still report correct airflow readings if more air is being pulled through it via ported intake, and/or 80mm tb...

Will says in the first post that tuning is not required, but would be beneficial for the 80mm TB. Same think I say for my ported intakes. It's not required, but without a tune, some power is potentially still being left on the table.

Hopefully both will play nice together, and no tune will be required, but at the end of the day, you're probably still leaving something on the table without the tune.

OK got it, thanks for the clarification, that makes perfect sense. And I'm gonna definitely need a tune eventually work out the kinks with the 3.91 gears. It does some kind of choking out thing when I'm cruising and floor it. Somethng isn't happening right when it downshifts so a tune will be needed.

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[rogueshivers]

Originally Posted by derek1387

Have you tested against the VMAX PTB? Any gains?

Interested in your E85 conversion kit as well....wonder what that would do for overall power....

if gains are close to what E85 did for my dodge SRT-4 im gonna loose my mind with my v6