Stock 18+ Ported manifold results?

[Amaury]

Happy new year to everyone reading this. I have been wondering if anyone with an actual 18+ GT have ported their stock IM and what results you got? I got a ported one that I got for my 15 but since now I got a 19, was thinking about swapping it when I get my PMAS intake. Wanted to see what gains I could expect and if is worth the swap.

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[BmacIL]

From the VMP shootout.

 

[SNOOPY]

So you gain a couple HP with the ported and lose a couple putting on the PMAS. Lol

Oops...

 

[BmacIL]

So you gain a couple HP with the ported and lose a couple putting on the PMAS. Lol

Oops...

Huh?

 

[SNOOPY]

Huh?

Op said he’s adding a PMAS intake

 

[BmacIL]

Op said he’s adding a PMAS intake

And that would lose him power over the stock intake...how?

 

[Amaury]

The shootout was done with a 15-17 model. I'm looking for results on a 18+ car or can those results translate to a 18+ car?

 

[Zinc03svt]

Just curious, what is the avg cost to have your own intake ported (or core sent back)?

 

[BmacIL]

The shootout was done with a 15-17 model. I'm looking for results on a 18+ car or can those results translate to a 18+ car?

The results should translate well. Maybe not identical but you can see where the improvement is. It's not so much peak but rather a smoother curve that is stronger in the midrange and doesn't fall off on the top as much.

 

[drive_55_not]

Just curious, what is the avg cost to have your own intake ported (or core sent back)?

Air Flow Solutions does the CNC porting on the VMP intakes, From their site,

2018 GT Intake Porting-
We are very happy with the out come of the new 2018 GT intake manifold. With the stock intakes making the same, and in some cases more power than the GT350 intake, we have found more room for improvement. We gained an additional 12% in overall flow and achieved a better balance between cylinders. AFS can port your intake or we will be selling new intakes that have been ported and are ready to bolt on!

AFS porting on your intake, $200 shipped.
AFS porting on a new intake that we provide, $650 shipped.

.

I should've kept clicking he posted a FBO 2018 before/after graph, Had to see but he said it went from 497 to 512.

.

 

[Zinc03svt]

Damn, $200 shipped! Not bad. May do that. Is that shipping both ways??

 

[8915GT]

Here is one guys opinion on the ported manifolds:

 

[Zinc03svt]

^^^. Lol... No he is the idiot. $200 for 13-15 whp is actually a pretty decent value proposition. Under the curve torque is better too. Next.

 

[BmacIL]

Here is one guys opinion on the ported manifolds:

He's just pissed he spent a lot more on his for very small performance advantage over one.

 

[Turbolag87]

not sure who ported his..but i know brett barber opens them right up and ports them.

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