Ported Fast vs Ported Stock intake

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Sep 28, 2008 | 09:07 PM

Gman57

Thread Starter

Burning Brakes

Joined: Apr 2007

Posts: 980

Likes: 1

From: Des Moines Iowa

Ported Fast vs Ported Stock intake

Looking to squeeze more HP out of my engine with the big mods already made.

Existing:
LPE GT11 Cam, Stage 2 Heads, Kooks Headers/Cats,
Ported Intake/Throttle Body,
SLP Under Drive Pulley,BPP Vortex RamAir,
Corsa Sports,160 Stat
I'm making 418RWHP and 381 RWTQ with an A6 now

What could I expect by replacing the stock ported intake with a properly ported Fast intake and a retune.

Input or ideas please

Sep 28, 2008 | 09:58 PM

Fore58

Le Mans Master

Joined: Oct 2005

Posts: 5,052

Likes: 889

From: Tampa Florida

I am in the same predicament however I don't have that choice like you. Just installed the L92/L76 ended up with 440/405....stock heads and 224/228 cam. With my 05 MN6, I dynoed 363 with bolt-ons....added the ported intake and retune ended up with 378 rwhp. Anyway, I have confidence that with the ported stock intake I will be in the 450's rwhp. So it seems like you're looking for an additional 20 rwhp over the ported stock intake.....and another $1000. I can't get a FAST intake because it's not available for the L92....and I can't wait. If the FAST was available, I would have purchased it in a heartbeat. I thought that the FAST ported intake was approximately 10 hp over the ported stock intake. Due a search unless you just want some updated information on this topic. Good luck

Sep 28, 2008 | 10:16 PM

bunk22

Safety Car

Joined: May 2005

Posts: 3,990

Likes: 1

From: Corpus Christi Texas

Hell, you'll get good gains just going from a ported stock intake to a stock FAST intake. With a ported FAST, even better. Here were my gains with a stock FAST vs my ported stock intake:

Sep 28, 2008 | 11:26 PM

Tony B4

Safety Car

Joined: Sep 2006

Posts: 3,922

Likes: 4

From: Cheektowaga NY

St. Jude Donor '08

Get the Fast intake.

Sep 29, 2008 | 07:25 AM

warsurfer

Instructor

Joined: Oct 2006

Posts: 224

Likes: 0

I'll second bunk22, I had a ported intake and switched to an unported fast - SOTP difference for sure. If you have it ported it will be even more so. You won't regret it.

Sep 29, 2008 | 09:26 AM

k0bun

Melting Slicks

Joined: May 2006

Posts: 2,891

Likes: 1

From: NJ..."the way I saw it, everyone takes a beating sometimes."

One of the more popular debated topics on the forum. It has started to die down as of late though. Perhaps people are actually starting to believe the facts.

Ported FAST, do it, done!

http://forums.corvetteforum.com/show...ht=fast+ported

http://forums.corvetteforum.com/show...ht=fast+ported

http://forums.corvetteforum.com/show...ht=fast+ported

http://forums.corvetteforum.com/show...ht=fast+ported

Last edited by k0bun; Sep 29, 2008 at 09:33 AM.

Sep 29, 2008 | 10:00 AM

RWSjr

Burning Brakes

Joined: Nov 2004

Posts: 848

Likes: 8

From: St. Louis Mo.

Get the Ported F.A.S.T. -I did, and yes it made a SOTP difference.

Sep 29, 2008 | 01:07 PM

Bad06vette

Burning Brakes

Joined: Jan 2007

Posts: 1,098

Likes: 0

From: Dallas TX

The ported FAST is a very good mod. Generally you will see more of a power gain on a more heavily modded car. With your H/C car... I would expect close to a 20/20 gain... and that includes through out most of the midband as well.

Here is my Before/After of my ported SPINFast 92mm.

About a 17/20 peak gain... But, look at the gains from 4k-6.5k and even under the curve. There is an increase everywhere. The after FAST dyno was also done when the car was a little more heatsoaked and it was a lot hotter outside. My car is a complete bolt on car and gained that... When your better flowing heads and cam package you should make even better numbers than mine.

Last edited by Bad06vette; Sep 29, 2008 at 01:10 PM.