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LS2 Intake VS Fast Intake.

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Old Nov 15, 2011 | 09:21 AM
  #21  
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Originally Posted by musicman2
HEY GERING--------THANKS for your post----that sure answers allot questions !! Your cam & build is almost identical of my 07--same before figures with my A6------I sent you a PM---Would be interesting to post this same set-up with a Peak Speed ported TB & Stock LS2 intake--anybody done that ???
My TB was ported, but my intake was stock "not ported". I am glad that you found this thread helpful.
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Old Nov 15, 2011 | 09:33 AM
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Originally Posted by jpuli28
$900 + then install $ for 28 hp? I'm happy for the OP though.
I bought mine for $822 shipped to my door with all new gaskets, as Floyd mentioned, it is an easy swap! Don't forget you can sell the stock mani for $250 bringing the cost down to $550 (I subtracted the gaskets as they aren't a must just my preference)

Originally Posted by FloydSummerOf68
Install takes ~1 hour

Yes, for the cost, it's one of the best mods for the LS2. I mean, look at the huge torque increase across the entire powerband.


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Old Nov 15, 2011 | 09:40 AM
  #23  
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Originally Posted by FloydSummerOf68
Install takes ~1 hour

Yes, for the cost, it's one of the best mods for the LS2. I mean, look at the huge torque increase across the entire powerband.
I heartily agree. It's a wonderful mod that you feel a lot more on the street and track than the dyno would indicate.

I fought it for years due to the price but now I'm quite convinced. It's like adding headers to your car all over again.

I will note that it's a lot noisier than the stock intake. Mine really roars at 1800 rpm or so and you hear it behind the dashboard. It's much louder than the exhaust (I've got stock mufflers). I don't care so much but if you're picky about such things, take a ride in FAST equipped car first.
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Old Nov 15, 2011 | 09:45 AM
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Originally Posted by jpuli28
Was your OEM manifold ported or stock? How much of a diff between a heavily ported (formato stage 2) OEM manifold and a Fast?
Sir, I have read in a few "LS2 Intake vs Fast Intake" threads that a stock "non ported" FAST is about 10 to 12 HP/TQ over a "radical ported" OEM stock LS2 intake. The main thing about the FAST is that you will gain through the entire power band, where as for the ported stock LS2 you will see gains up top only. Again this info came from threads that I have read here, I am not saying that it is the final answer to the equation.
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Old Nov 15, 2011 | 09:47 AM
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A Fast intake manifold, cold air intake with headers or a complete Z06 exhaust and tune is a great combination for any LS2
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Old Nov 15, 2011 | 02:27 PM
  #26  
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Originally Posted by Gering
Sir, I have read in a few "LS2 Intake vs Fast Intake" threads that a stock "non ported" FAST is about 10 to 12 HP/TQ over a "radical ported" OEM stock LS2 intake. The main thing about the FAST is that you will gain through the entire power band, where as for the ported stock LS2 you will see gains up top only. Again this info came from threads that I have read here, I am not saying that it is the final answer to the equation.
Thanks, I just got the same answer from Formato (FasterProms). He says a FAST will approx net 10 more lbs of tq and 7 hp over his Stage2 ported manifold.

Enjoy
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Old Nov 15, 2011 | 03:26 PM
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Originally Posted by jpuli28
Thanks, I just got the same answer from Formato (FasterProms). He says a FAST will approx net 10 more lbs of tq and 7 hp over his Stage2 ported manifold.

Enjoy
Peak, perhaps, but I bet the gains under the curve are HUGELY in favor of the FAST
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Old Nov 15, 2011 | 04:20 PM
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Originally Posted by FloydSummerOf68
Peak, perhaps, but I bet the gains under the curve are HUGELY in favor of the FAST
This is the main reason why I went with the Fast, more usable HP.
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Old Nov 15, 2011 | 04:47 PM
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FAST= no brainer must have

Is this a FAST 90 or 102?
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Old Nov 15, 2011 | 04:48 PM
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Originally Posted by FloydSummerOf68
Peak, perhaps, but I bet the gains under the curve are HUGELY in favor of the FAST
Exactly my experience. Under the curve I saw close to 30rwtq in the mid-range from my ported LS2 to FAST 90 UNPORTED.
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Old Nov 15, 2011 | 04:52 PM
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Originally Posted by LEAVINU
FAST= no brainer must have

Is this a FAST 90 or 102?
102.
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Old Nov 15, 2011 | 05:17 PM
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My gains, on a reasonably big cammed car, stock heads, was oddly not so much under the curve.

But the track gains were undeniable. Around .2 and 2 mph consistently, usually more.

Here's my dyno sheet comparing FAST to ported ls2 intake. As you can see, it's mostly 4500 on. But you really feel it. (and hear it).

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Old Nov 15, 2011 | 05:49 PM
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Originally Posted by Joe_G
My gains, on a reasonably big cammed car, stock heads, was oddly not so much under the curve.

But the track gains were undeniable. Around .2 and 2 mph consistently, usually more.

Here's my dyno sheet comparing FAST to ported ls2 intake. As you can see, it's mostly 4500 on. But you really feel it. (and hear it).

THANKS JOE !! Who ported your LS2 ?? Hear it ??? Explain ???
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Old Nov 15, 2011 | 05:58 PM
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I did LS3 heads, cam and FAST intake and got over 500 with an LS2.

The heads cost less than the intake!

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Old Nov 15, 2011 | 06:00 PM
  #35  
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Joe_G: Nice youtube video. Maybe my gains under the curve are due to my heads or maybe you actually made decent gains with your ported stock intake. Either way it looks like you made some good gains.
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Old Nov 15, 2011 | 06:10 PM
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Originally Posted by musicman2
THANKS JOE !! Who ported your LS2 ?? Hear it ??? Explain ???
Cory Harris. It was a solid 10+ rwhp across the board, he did a great job.

I still have it...I should sell it. It's a quality piece.

The FAST is noisy. Take a ride in a car with one. It's thin plastic and you hear a lot of valve noise particularly a roar at 1800 rpm or so.
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Old Nov 15, 2011 | 06:11 PM
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Originally Posted by Gering
Joe_G: Nice youtube video. Maybe my gains under the curve are due to my heads or maybe you actually made decent gains with your ported stock intake. Either way it looks like you made some good gains.
Thanks. I couldn't be happier with my FAST so I'm happy to support your thread.

Do you got to the track?

How's your SOTP gains?

Do you notice the noise of the FAST?
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Old Nov 15, 2011 | 06:19 PM
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Originally Posted by Joe_G
Thanks. I couldn't be happier with my FAST so I'm happy to support your thread.

Do you got to the track?

How's your SOTP gains?

Do you notice the noise of the FAST?
No track runs as of yet. I may be a noob, what is SOTP? As for the noise from the FAST, I have not heard that much, due to other noises in the car and my exhaust.
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Old Nov 15, 2011 | 08:10 PM
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Originally Posted by Joe_G
My gains, on a reasonably big cammed car, stock heads, was oddly not so much under the curve.

But the track gains were undeniable. Around .2 and 2 mph consistently, usually more.

Here's my dyno sheet comparing FAST to ported ls2 intake. As you can see, it's mostly 4500 on. But you really feel it. (and hear it).

Your gain was with Fast 92?

Previously, you didn't want to go 102 for the slight gain over the 92?
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Old Nov 15, 2011 | 08:31 PM
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Originally Posted by victorf
Your gain was with Fast 92?

Previously, you didn't want to go 102 for the slight gain over the 92?
The 102 wasn't out when I got mine. I never considered changing. I think Lschlem did.

SOTP = seat of the pants.
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