78mm bbk throttle body non supercharged but modded 99 GT HELP!!!! - MustangForums.com

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78mm bbk throttle body non supercharged but modded 99 GT HELP!!!!

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Old 07-12-2013, 10:09 AM   #1
David Edward Thompson
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Vehicle: 1997, ford, mustang
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Default 78mm bbk throttle body non supercharged but modded 99 GT HELP!!!!

i have a bbk cold air intake, bbk tuned headers, bbk underdrive pullys, catless x-pipe, straight pipes, and a performance chip, stage 3 comp cams.. this next summer i am going to be putting a supercharger in my baby. but right now i am trying to get it all preped for it. but i dont want to put something on that is going to make me lose power or make me slow at the start. and i am not sure if putting the 78mm on now without the supercharger if it will hurt me or not and i just wont gain from it right now. i am also installing a ford racing performance improvement intake manifold along with the bbk 78mm throttlebody. so i guess my question is with what i have done so far will i be ok installing the intake manifold and the 78mm throttle body right now before i put on the supercharger this coming summer. or will doing this hurt me until i install the supercharger. and im sure if it doesnt hurt then i can expect to only see minimal gain if i notice anything at all right now. any help will be awesome guys thanks.
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Old 07-12-2013, 10:20 AM   #2
school boy
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The 78mm tb/plenum will be fine on a NA engine. You will gain a little hp but no more than a 70 or 75mm tb would.

Originally Posted by the02stang View Post
I just realized that i had a fat friend sitting in the passenger seat that night!
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Old 07-14-2013, 01:06 PM   #3
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Yeah, I just dropped a 78mm tb/plenum into my mustang, and I basically have the exact same mods done to mine (except for the cams)! I noticed a little better response and power, so for you, I'm sure it would be just fine due to you having cams.
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Old 11-29-2013, 02:02 PM   #4
mustang gt 1997
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Hey i have a 97 mustang gt i have the 98 mm tb, 30 pound injectors, underdrive, we got a 86 mm mas airflow sensor cold air intake and we ate trying to put a svt chip ob ot but they cant get the tunnig wright what can i do
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Old 11-29-2013, 03:10 PM   #5
Soldier GT
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Mustang 1997 might wanna start your own thread.

OP you'll be fine, especially if you're going FI in the near future. What blower are you planning on going with?

Vortech V-1 T Trim SC (intercooled), MMR 900 Short Block, CMS Stage 1 blower cams, MHS Stage 1 heads, eddy Vic jr intake, 6061 plenum, FRPP 410's, Flowtech LT's, MGW STS, Nitto NT555 DR's (305/35-18)

524 RWHP/465 RWTQ. Tuned by Bob Monks, STL Mustangs
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Old 11-29-2013, 11:24 PM   #6
mustang gt 1997
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O and 80 mm mass aor flow sensor. I dont no any sugestions
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intake, manifold, supercharger, throttle body

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