Trick Flow Plenum, will I shave ET?

JohnC · May 1st, 2008, 02:05 AM

Well, I reluctantly ordered a Trick Flow Plenum (had planned on getting one of the new Edelbrock intakes) for my 04 PI longblock swapped 97 GT. Now I'm wondering how much hp/tq I will gain and if I'll shave any ET?

Anyone recall picking up any mph or shaving ET with this plenum?

I'll be at the track testing it out as soon as I get it via UPS and install it.

My past best was 8.74 in the 1/8 and 13.56 in the 1/4 on street tires. I'd love to shave another 10th or two, but I doubt this small change will do it.

B0B · May 1st, 2008, 02:27 AM

i'd say you would be extremely lucky to shave a tenth with the plenum man

JohnC · May 1st, 2008, 02:49 AM

If I don't, then its a waste of money and will be up for sale. LOL

I don't care as much about dyno #'s as I do shaved ET.

silvergtstang99 · May 1st, 2008, 03:00 AM

You should have gotten it when you got your 75mm throttle body

03_StangGuy · May 1st, 2008, 08:55 AM

the plenum is more of a supporting mod, as other upgrades allow more airflow the plenum will become more restrictive, so an upgrade will show greater gains as ur power goes up.

03TropicGt · May 1st, 2008, 08:57 AM

Originally Posted by 03_StangGuy

the plenum is more of a supporting mod, as other upgrades allow more airflow the plenum will become more restrictive, so an upgrade will show greater gains as ur power goes up.

+1

silvergtstang99 · May 1st, 2008, 12:25 PM

+1 like supercharger!! Otherwise, its not going to make a difference man, maybe like 4 horsepower.

HMUSN · May 1st, 2008, 12:26 PM

last time I checked 4 HP here and 4HP there adds up..

jlaw98gt · May 1st, 2008, 12:29 PM

Originally Posted by HMUSN

last time I checked 4 HP here and 4HP there adds up..

its adds up to 8 actually

Hawaiianbro · May 1st, 2008, 12:41 PM

As for the intake manifold is this whats in our 99-04 mustang gts?

Shop 1A Auto® for 1999-04 Ford Mustang GT SOHC 4.6L 280ci Intake Manifold for your Ford Mustang

I was wondering is that the same as in my 2000 mustang gt? or is it slighty upgraded from the stock PI?

HMUSN · May 1st, 2008, 12:43 PM

it's the same thing. the aluminum crossover came on the newer mustangs.. it doesn't add any HP. it just makes them a little stronger.

Hawaiianbro · May 1st, 2008, 12:55 PM

ok thanks, Ive been eyeing that Edelbrock Intake manifold for a future mod.

silvergtstang99 · May 1st, 2008, 01:15 PM

Originally Posted by HMUSN

last time I checked 4 HP here and 4HP there adds up..

Yeah true but he already has his supporting mods, so unless hes getting a supercharger he is not going to get that 4hp + 4hp and so on.

MATT02GT · May 1st, 2008, 01:44 PM

Originally Posted by JohnC

If I don't, then its a waste of money and will be up for sale. LOL

I don't care as much about dyno #'s as I do shaved ET.

Cant expect alot from a little man

JohnC · May 1st, 2008, 09:00 PM

Originally Posted by silvergtstang99

You should have gotten it when you got your 75mm throttle body

I've had that TB on since like 1998 and no plenums were out back then that I know of.

suprajay79 · May 2nd, 2008, 09:00 AM

+1 with the small gain. I mainly got my plenum just because it kinda matches the TB and I kinda dig the coating on it- not for impressive #s. JohnC, nice ride- I'm not too big a fan of the purple Stangs, but yours looks clean. Nice numbers, too!

JohnC · May 2nd, 2008, 02:32 PM

Well, FedEx changed the delivery date to the 3rd and my local track is rained out anyway, so I won't have any feedback on this plenum until next Friday night.

I will post new track #'s for the 1/8 as soon as I can Friday night (05/09). You can trust if there is any improvement, that it will show up because I'm consistent as a bracket racer. I can cut 2.04 60ft's and run 8.7's all night on street tires.

May 1st, 2008, 02:05 AM	#1
JohnC Regular 1997 Mustang GT 13.56@102.94 Join Date: Oct 2007 Location: Murfreesboro and Old Hickory, TN Posts: 338	Trick Flow Plenum, will I shave ET? Well, I reluctantly ordered a Trick Flow Plenum (had planned on getting one of the new Edelbrock intakes) for my 04 PI longblock swapped 97 GT. Now I'm wondering how much hp/tq I will gain and if I'll shave any ET? Anyone recall picking up any mph or shaving ET with this plenum? I'll be at the track testing it out as soon as I get it via UPS and install it. My past best was 8.74 in the 1/8 and 13.56 in the 1/4 on street tires. I'd love to shave another 10th or two, but I doubt this small change will do it. __________________ 1997 Mustang GT Aluminum Block PI swap & 4R70W to TR3550 swapped. Best 1/8: 2.04 60ft 8.74@81.85 & Best 1/4: 2.04 60ft 13.56@102.94 all on stock 245-17's My Garage

May 1st, 2008, 02:27 AM	#2
B0B Hardcore Enthusiast 2001 Mustang GT the speed of smell Join Date: Dec 2006 Location: Milton, WA Posts: 1,264	i'd say you would be extremely lucky to shave a tenth with the plenum man __________________ '01 GT P-1SC 383rwhp, 380rwtq 2003 Rubicon (DD) 05 Suzuki SV650S 55mpg moddedmustang's drunk story teller www.myspace.com/jeepwheelerbob

May 1st, 2008, 02:49 AM	#3
JohnC Regular 1997 Mustang GT 13.56@102.94 Join Date: Oct 2007 Location: Murfreesboro and Old Hickory, TN Posts: 338	If I don't, then its a waste of money and will be up for sale. LOL I don't care as much about dyno #'s as I do shaved ET. __________________ 1997 Mustang GT Aluminum Block PI swap & 4R70W to TR3550 swapped. Best 1/8: 2.04 60ft 8.74@81.85 & Best 1/4: 2.04 60ft 13.56@102.94 all on stock 245-17's My Garage

May 1st, 2008, 12:41 PM	#10
Hawaiianbro Regular 2000 Mustang GT Join Date: Dec 2007 Location: Warren County Posts: 193	As for the intake manifold is this whats in our 99-04 mustang gts? Shop 1A Auto® for 1999-04 Ford Mustang GT SOHC 4.6L 280ci Intake Manifold for your Ford Mustang I was wondering is that the same as in my 2000 mustang gt? or is it slighty upgraded from the stock PI? __________________ B&M Short Shifter / Ford Heavy Duty Clutch / 3.73 gears / Nitto Drag Radials / Steeda CAI / Diablo Tuned / Mac LT Headers / Lethal Cated Xpipe / Pypes Exhaust / Stage1 Cam / Smoked headlights and Tail lights / Custom GT floor mats

May 1st, 2008, 12:55 PM	#12
Hawaiianbro Regular 2000 Mustang GT Join Date: Dec 2007 Location: Warren County Posts: 193	ok thanks, Ive been eyeing that Edelbrock Intake manifold for a future mod. __________________ B&M Short Shifter / Ford Heavy Duty Clutch / 3.73 gears / Nitto Drag Radials / Steeda CAI / Diablo Tuned / Mac LT Headers / Lethal Cated Xpipe / Pypes Exhaust / Stage1 Cam / Smoked headlights and Tail lights / Custom GT floor mats

May 1st, 2008, 08:55 AM	#5
03_StangGuy Hardcore Enthusiast Blown 03 GT Join Date: Jun 2007 Posts: 1,186	the plenum is more of a supporting mod, as other upgrades allow more airflow the plenum will become more restrictive, so an upgrade will show greater gains as ur power goes up.

May 2nd, 2008, 09:00 AM	#16
suprajay79 Regular 2001 Mustang GT 13.85 @ 100.5 w/3000 ft. alt.! F***ing A! Join Date: Jan 2008 Location: Mountain Home, Idaho Posts: 194	+1 with the small gain. I mainly got my plenum just because it kinda matches the TB and I kinda dig the coating on it- not for impressive #s. JohnC, nice ride- I'm not too big a fan of the purple Stangs, but yours looks clean. Nice numbers, too! __________________ 2001 Mustang GT 5-Speed, Oxford White; Chrome FR500s (17x10.5 in back), Chin spoiler, 20/5% tint Mods: K&N FIPK Flowmaster Catback BBK Underdrive pulleys 3.73 Gears (not installed) Eibach Pro-Kit BBK Plenum & 70mm TB SCT Livewire 91 oct. tune

May 2nd, 2008, 02:32 PM	#17
JohnC Regular 1997 Mustang GT 13.56@102.94 Join Date: Oct 2007 Location: Murfreesboro and Old Hickory, TN Posts: 338	Well, FedEx changed the delivery date to the 3rd and my local track is rained out anyway, so I won't have any feedback on this plenum until next Friday night. I will post new track #'s for the 1/8 as soon as I can Friday night (05/09). You can trust if there is any improvement, that it will show up because I'm consistent as a bracket racer. I can cut 2.04 60ft's and run 8.7's all night on street tires. __________________ 1997 Mustang GT Aluminum Block PI swap & 4R70W to TR3550 swapped. Best 1/8: 2.04 60ft 8.74@81.85 & Best 1/4: 2.04 60ft 13.56@102.94 all on stock 245-17's My Garage Last edited by JohnC : May 2nd, 2008 at 02:35 PM.

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