Worth it?
Le Mans Master
Joined: Jul 2005
Posts: 7,121
Likes: 3
From: Shreveport/Bossier Louisiana
St. Jude Donor '08
I actually sold my PORTED FAST and switched to a stock LS2 intake when I went FI and I make great numbers
Team Owner
Joined: May 2006
Posts: 21,473
Likes: 356
From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
Really a LS6 mainifold and even the LS1 and a LS2 on a FI set-up works very good! When you are FI a lot of factors that help Naturally Asperated motors don't do the same thing for Forced Induction - it kinda goes out the window, so to speak
I have 701 RWHP and 582 RWTQ on my LS6 manifold!
Thanks,Matt
Le Mans Master
Joined: Dec 2003
Posts: 5,047
Likes: 251
From: San Diego
From my with experience FAST intakes on my Procharged set up is that they flow very well. I've never had an issue of them breaking under hard boost or sealing issues. Most problems with FAST intakes is improper installation.
Last edited by Brandon619; Sep 18, 2009 at 01:41 PM.
Race Director
Joined: May 2003
Posts: 12,725
Likes: 14
From: ECS : WTF did you break now and HTF did you break it this time
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Team Owner
Joined: Jul 2003
Posts: 20,474
Likes: 2
From: Detroit
Former Vendor
Joined: Feb 2004
Posts: 10,876
Likes: 8
From: Las Vegas NV
St. Jude Donor '06 & '12
Its just an alternative way to make power. In most cases, you can accomplish solid power, with minimal mods, on a boosted application. But that doesnt stop people from adding heads, headers, valvetrain, cat back exhaust, etc etc etc..
Is a FAST intake and larger TB a MUST?? Nope..Is it just another way to add more power? Yup.
Think of it this way.. Any way you can make more power, and limit the amount of boost, is a good idea. From a pure mechanical functionality standpoint, it is significantly safer to make all the power you can with the motor, then top it off with the power adder.
But at the end of the day, you can make the exact same power by turning up the wick.
The FAST leaking issues come from improper (Inadequate torquing) torquing, which causes leaks. They DO come slightly tweaked from the factory, and do require a tad more torque to seal them. When a person goes by the GM guidelines, they will tend to leak.
HTH
Is a FAST intake and larger TB a MUST?? Nope..Is it just another way to add more power? Yup.
Think of it this way.. Any way you can make more power, and limit the amount of boost, is a good idea. From a pure mechanical functionality standpoint, it is significantly safer to make all the power you can with the motor, then top it off with the power adder.
But at the end of the day, you can make the exact same power by turning up the wick.
The FAST leaking issues come from improper (Inadequate torquing) torquing, which causes leaks. They DO come slightly tweaked from the factory, and do require a tad more torque to seal them. When a person goes by the GM guidelines, they will tend to leak.
HTH
Le Mans Master
Joined: Feb 2007
Posts: 9,291
Likes: 1,523
From: Oviedo Florida
2024 C5 of the Year Finalist - Modified
2024 C2 of the Year Finalist - Modified
2023 C2 of the Year Finalist - Modified
2021 C2 of the Year Finalist - Modified
2016 C5 of Year Finalist
Many people have issues with the FAST being that it is a 3 piece design and being Forced Inducted - They tend to leak!
Really a LS6 mainifold and even the LS1 and a LS2 on a FI set-up works very good! When you are FI a lot of factors that help Naturally Asperated motors don't do the same thing for Forced Induction - it kinda goes out the window, so to speak
I have 701 RWHP and 582 RWTQ on my LS6 manifold!
Thanks,Matt
Really a LS6 mainifold and even the LS1 and a LS2 on a FI set-up works very good! When you are FI a lot of factors that help Naturally Asperated motors don't do the same thing for Forced Induction - it kinda goes out the window, so to speak
I have 701 RWHP and 582 RWTQ on my LS6 manifold!
Thanks,Matt
LS-6 intake with PP trottlebody-525/500
Thread Starter
Instructor
Joined: Jan 2009
Posts: 237
Likes: 2
Its just an alternative way to make power. In most cases, you can accomplish solid power, with minimal mods, on a boosted application. But that doesnt stop people from adding heads, headers, valvetrain, cat back exhaust, etc etc etc..
Is a FAST intake and larger TB a MUST?? Nope..Is it just another way to add more power? Yup.
Think of it this way.. Any way you can make more power, and limit the amount of boost, is a good idea. From a pure mechanical functionality standpoint, it is significantly safer to make all the power you can with the motor, then top it off with the power adder.
But at the end of the day, you can make the exact same power by turning up the wick.
The FAST leaking issues come from improper (Inadequate torquing) torquing, which causes leaks. They DO come slightly tweaked from the factory, and do require a tad more torque to seal them. When a person goes by the GM guidelines, they will tend to leak.
HTH
Is a FAST intake and larger TB a MUST?? Nope..Is it just another way to add more power? Yup.
Think of it this way.. Any way you can make more power, and limit the amount of boost, is a good idea. From a pure mechanical functionality standpoint, it is significantly safer to make all the power you can with the motor, then top it off with the power adder.
But at the end of the day, you can make the exact same power by turning up the wick.
The FAST leaking issues come from improper (Inadequate torquing) torquing, which causes leaks. They DO come slightly tweaked from the factory, and do require a tad more torque to seal them. When a person goes by the GM guidelines, they will tend to leak.
HTH
Melting Slicks
Joined: Nov 2006
Posts: 2,836
Likes: 8
From: Still the Fastest (still running) Stock Bottom End Blown LS1/ 2010 ECS CC 10.50 CHAMP Hamilton, NJ
Melting Slicks
Joined: Feb 2006
Posts: 2,163
Likes: 5
From: Houston
I sold my 90-90 setup when I went to FI. They may make the numbers, but they are POS's as far as quality goes. Definitely not worth $1,200 on most FI setups. The money is better spent elsewhere. I'm not even sure i would run one on an FI build with no budget.