New Intake Plenum -- Worth It???

ameration · Jan 30, 2004

I am thinking about getting a new Intake plenum but want to know if they are really worth it? I already have a 70mm FRPP throttle body and don't plan on upgrading to a 75mm if I get the plenum.

Is it better to get a C&L or Trick Flow?

Where have you seen them for the best price?

Thanks.

Beau · Jan 30, 2004

they are proven to give some results. most people around here have gone with either the C & L or Dragon plenums. Myself, i went with C & L and have been 100% satisfied. Other people went with the Dragon and they too have been totally satisfied.
the place i got mine was at Ronnie Diaz Motorsports

spree · Jan 30, 2004

i got my c&l from ebay and I'm still using my stock T/B. It was definitely worth it, and I'm gonna add an accufab 75mm to it pretty soon.

Jackie Chan · Jan 30, 2004

what are your current mods?

hognutz · Jan 30, 2004

If you have a 70mm tb already go get the accufab. they have post over at the modular depot. the accufab with 70mm tb (accufab tb) outflowed all other plenums. the trick flow is cheaper and flowed 595cfm with 70mm where as the c&l flowed 597 with 75mm. the c&l only flowed 540cfm witha 70mm tb.

so to make a shor story long with the c&l you need the 75mm but with the others you dont. Unless the frpp tb just sucks in general. I have never used one.

Bone Racing · Jan 30, 2004

very worth it

accufab or c-l

downsouthman1 · Jan 30, 2004

ameration said:
I am thinking about getting a new Intake plenum but want to know if they are really worth it? I already have a 70mm FRPP throttle body and don't plan on upgrading to a 75mm if I get the plenum.

Is it better to get a C&L or Trick Flow?

Where have you seen them for the best price?

Thanks.

If you're gonna go w/ a 70mm TB get the Accufab Plenum as it's designed for peak gains w/ the 70mm TB. I went w/ the C&L Plenum cuz I got a 75mm Accufab TB.

CottonBurnerz · Jan 30, 2004

downsouthman1 - What were your gains with teh accufab 75mm TB and C&L plenum combo?

Firemanz · Jan 30, 2004

I plan to eventually go with the Accufab. Plus it's so pretty!!!

downsouthman1 · Jan 30, 2004

CottonBurnerz said:
downsouthman1 - What were your gains with teh accufab 75mm TB and C&L plenum combo?

I don't know about the dyno gains cuz I haven't every dynoed it but my SOTP readings are off the chain.

TacBear · Jan 30, 2004

ameration said:
I am thinking about getting a new Intake plenum but want to know if they are really worth it? I already have a 70mm FRPP throttle body and don't plan on upgrading to a 75mm if I get the plenum.

Is it better to get a C&L or Trick Flow?

Where have you seen them for the best price?

Thanks.

I lowered my ET by .231 and increased my MPH 2 mph with a P & P Dragon and FR 70mm TB.

Before: 14.081@98 (average of 4 runs)

After: 13.850@100.2 (average of 3 runs)

ChrisXoxide · Jan 30, 2004

Just to be clear, the 75mm accufab fits on the accufab plenum and the stock plenum, and makes more power than the 70mm accufab throttle body right?

downsouthman1 · Jan 30, 2004

I will find out @ the track soon. Hopefully my ETs & trap speed will be in the 13s easy.

KaPPaBaLL · Jan 30, 2004

ChrisXoxide said:
Just to be clear, the 75mm accufab fits on the accufab plenum and the stock plenum, and makes more power than the 70mm accufab throttle body right?

not necessarily. Accufabs 70mm TB goes with accufabs plenum. On the stock plenum your stock TB is good enough..

ameration · Jan 30, 2004

Jackie Chan said:
what are your current mods?

1999 Chrome Yellow GT Convertible - Engine/Drivetrain mods:

4R70W Automatic, Borla Cat-Back Exhaust, Magnaflow Catted X-Pipe, Steeda Underdrive Pulleys, MAC Cold Air Induction, FRPP 70 mm Throttle Body, 1/2" Intake Spacer, 180* Thermostat, Autolite 764's, B&M Tranny Cooler, PEP Trac Adapt, FRPP 4.10 Gears, SVO Rear Differential Cover, Custom Burned Diablo Chip

So are you guys saying not to get a C&L with the FRPP 70mm TB? I don't have the extra $$$ for a Accufab.

madmatt · Jan 30, 2004

ameration said:
1999 Chrome Yellow GT Convertible - Engine/Drivetrain mods:

4R70W Automatic, Borla Cat-Back Exhaust, Magnaflow Catted X-Pipe, Steeda Underdrive Pulleys, MAC Cold Air Induction, FRPP 70 mm Throttle Body, 1/2" Intake Spacer, 180* Thermostat, Autolite 764's, B&M Tranny Cooler, PEP Trac Adapt, FRPP 4.10 Gears, SVO Rear Differential Cover, Custom Burned Diablo Chip

So are you guys saying not to get a C&L with the FRPP 70mm TB? I don't have the extra $$$ for a Accufab.

Do you mean the extra money for the accufab plenum or the tb? If you mean the tb then just keep your 70mm and get the accufab plenum. It makes the best gains at 70mm. Hope this helps

ameration · Jan 30, 2004

madmatt said:
Do you mean the extra money for the accufab plenum or the tb? If you mean the tb then just keep your 70mm and get the accufab plenum. It makes the best gains at 70mm. Hope this helps

No, I am saying I don't have the $$ for an accufab anything, there stuff is way expensive (especially since I am saving almost every penny for a house)!

So the best way for me to go with a 70mm TB is with the TrickFlow plenum. About how much are those going for? (There is a C&L Plenum on E-Bay right now for $139 for a 2001+ -- Part number 711A)

Jonny'00GT · Jan 30, 2004

Also:

I was researching the very same question...you can go to www.modulardepot.com. They did a side by side on the Dyno. Looks like Accufab is best with almost 8hp gain, but Draggon is not far behind with just over 7hp. Whole test was done with Stock as base line and 70mm TB on all mod Plenums. The Accufab was by far the best for added torque 7+ compared to 4+ witht the dragon. I'm saving my pennies for the Accufab!

trublustallion · Jan 31, 2004

whats the size of the stock TB on a 2001 GT?

KaPPaBaLL · Jan 31, 2004

trublustallion said:
whats the size of the stock TB on a 2001 GT?

65mm

New Intake Plenum -- Worth It???

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