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FAST LSXRT Intake Dyno results on 5.3L

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Old 06-12-2010, 06:22 PM
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Impressive! Post some graphs with a tune,intake and full exhaust...If your spending a G on a intake you should at least have those supporting mod's.
Old 06-12-2010, 06:44 PM
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Originally Posted by zo6pilot
Impressive! Post some graphs with a tune,intake and full exhaust...If your spending a G on a intake you should at least have those supporting mod's.
Actually the test shows you dont have to. The gains seen will only increase with more mods & tuning, this seems to be worst case senario. No tuning, no upgrades.....

Plus this looks like gains over a TBSS intake, I bet its 30hp better than the non TBSS intake that most everyone has! Headers and catback give you about 20-30hp, and cost the same (or more) and are MUCH harder to install.

Last edited by SweetS10V8; 06-12-2010 at 06:52 PM.
Old 06-12-2010, 06:53 PM
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glad someone finally got some dyno results on the FAST intake, very impressive
Old 06-12-2010, 07:26 PM
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Guys,

Im getting lots of PMs. Ask questions in the thread so everyone can understand and learn!!!

This swap was almost a direct bolt on. The only modification that had to be done was to the OEM fuel rails. The original small mounting tabs had to be removed and use FAST's fuel rail modification kit it took about 5 minutes to modify the OEM fuel rail.

This intake is made to work with trucks from 1999-2010 so everyones truck may require different parts. FAST has made a cool webpage so you get the correct parts for your truck. Please goto www.fuelairspark.com/selector to see the parts you will need.

We used two part numbers for this swap;

146602 FAST Intake
146031-KIT Fuel rail modification kit (which was $25-27 IIRC)
Old 06-12-2010, 08:26 PM
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Originally Posted by SweetS10V8
Actually the test shows you dont have to. The gains seen will only increase with more mods & tuning, this seems to be worst case senario. No tuning, no upgrades.....

Plus this looks like gains over a TBSS intake, I bet its 30hp better than the non TBSS intake that most everyone has! Headers and catback give you about 20-30hp, and cost the same (or more) and are MUCH harder to install.
That's a good point. The gains would be even better for us guys with the regular truck intake.
Old 06-12-2010, 08:55 PM
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Id like to see this with the truck already tuned with the stock intake and then with this intake tuned. Id rather spend 300-400 on headers for 20hp than 1000 for an intake with the same gain..
Old 06-12-2010, 09:08 PM
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Just for those who are wondering

Torque gains

4500 +4.1 lbft
5000 +18.1 lbft
5500 +19.6 lbft
6000 +17.3 lbft
Old 06-12-2010, 09:38 PM
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Originally Posted by dlt76028
That's a good point. The gains would be even better for us guys with the regular truck intake.
Keep in mind though that were only running a 75mm TB. The NNBS style like the one tested is a 90mm. Im would think that makes a differance also.
Old 06-12-2010, 09:43 PM
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Originally Posted by MARK3406E
Keep in mind though that were only running a 75mm TB. The NNBS style like the one tested is a 90mm. Im would think that makes a differance also.
If I put that intake on my truck I'd also put a 90mm or even the 102mm throttle body on too. Thats even more gains...
Old 06-12-2010, 10:05 PM
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Originally Posted by SweetS10V8
Actually the test shows you dont have to. The gains seen will only increase with more mods & tuning, this seems to be worst case senario. No tuning, no upgrades.....

Plus this looks like gains over a TBSS intake, I bet its 30hp better than the non TBSS intake that most everyone has! Headers and catback give you about 20-30hp, and cost the same (or more) and are MUCH harder to install.
I "get it" But most people would have at least a tune and exhaust.I'm lucky I have a 2008 with a gmpp intake,LT's ory magnaflow and crap programmer and it hits the 155 limit after awhile. Next G I spend will be a Verter and or N20.


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