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05 GTO w/ FMS HighLift F14 and Trick Flow 225cc heads Numbers inside

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Old 12-12-2006, 10:45 AM
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Default 05 GTO w/ FMS HighLift F14 and Trick Flow 225cc heads Numbers inside

We just finished up a customer's 2005 GTO. We installed a new highlift F14 and a set of Trick Flow 225cc cylinder heads. The final numbers came out to 484.27rwhp/458.61rwtq.

Mods are listed below:

FMS F14-112- HighLift Camshaft
Trick Flow 225cc Cylinder Heads
Harland Sharp Rockers
FMS custom pushrods w/spring upgrade package
FMS ported Fast 90/90 Intake Manifold
Longtube Headers w/ CATTED Y-pipe
Magnaflow catback
Custom FMS tune


Graph below:


Last edited by ThunderStruk; 12-12-2006 at 10:54 AM.
Old 12-12-2006, 10:48 AM
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Damn...that HP curve is holding strong. Any videos of it by any chance? Great numbers either way...
Old 12-12-2006, 11:36 AM
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nice curve, also wondering about this mod "Longtube Headers w/ CATTED Y-pipe" ? never heard of it.
Old 12-12-2006, 11:41 AM
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Very impressive power. Bet you have another 20 rwhp hiding in that combo. Based on the shape of your curve, if the motor had kept climbing above 5800 rpm, you would have exceeded 500 rwhp. Don't know if the restriction is coming from the intake side or the exhaust side (more likely), but with more tweaking, I'm sure you'll find the additional power. Totally badass in my book. Major props.
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Old 12-12-2006, 12:18 PM
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Nice looking!!
Old 12-12-2006, 12:21 PM
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Very nice combo & damn she got TORQUE

I'm sure the restriction coming from Exh. side

peace
Old 12-12-2006, 04:42 PM
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Dam thats sweet!
Old 12-12-2006, 05:57 PM
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Killer power! What springs was used on the trickflow heads? What kinda seat/open pressure and install height did yall use?
Old 12-12-2006, 06:05 PM
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wow thats some awesome power. so 18rwhp over the dart 225 heads using the same cam & ported 90mm LSX. i wonder how much the extra cubes from the 6.0 and lower milage motor helped too?
Old 12-12-2006, 07:08 PM
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Like Patrick said you could break 500 with that beast. Id ditch the cats....
Old 12-12-2006, 08:19 PM
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head CCs, head gaskets, flycutting? awsome redults!!!!!!!!!!!!!!
Old 12-13-2006, 06:38 AM
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Wow, you guys are really putting out some awesome combos lately.
Old 12-13-2006, 11:54 AM
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... wonder what is happening at 5700
Old 12-13-2006, 12:11 PM
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Originally Posted by Sport Side
... wonder what is happening at 5700
hit the restrictive exhaust wall is my guess.
Old 12-13-2006, 04:04 PM
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I would like to see that setup on a LS1/5.7/346ci or whatever you wanna call it..

Nice power & torque curves tho.
Old 12-13-2006, 04:10 PM
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Did the 05's have single exhaust and dual outlets ? Why the y-pipe ?
Old 12-13-2006, 06:07 PM
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THAT is a sick torque curve!
Old 12-14-2006, 03:56 AM
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FMS does it again!!!! Just awesome!
Old 12-16-2006, 11:14 PM
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Congrats on the package! Looks like it make 480 RWHP by 5700 RPM

And 458 RHTQ? that's stout!

It's great to see you guys are testing the TFS heads!
Old 12-17-2006, 11:22 AM
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Originally Posted by ls1_doc
Did the 05's have single exhaust and dual outlets ? Why the y-pipe ?
Nope. Dual into a common resonator then duals again. '04 was dual all the way and never touched the other side.

Can't help you on the y-pipe?


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