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Old 01-02-2012, 01:33 PM   #1
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I was told a a bigger throttle body would give me a little more power. Is this true or just a waste of money? If so what's the best bang for my buck and what size is best? I already have a cold air intake.
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Old 01-02-2012, 01:40 PM   #2
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Gears
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Old 01-02-2012, 01:56 PM   #3
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I do plan to do the gears later but is the throttle body worth it?
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Old 01-02-2012, 02:50 PM   #4
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If you do the plenum/throttle body combo it should get you some power. If you get a tuner that should help maximize the power gains.
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Old 01-02-2012, 03:47 PM   #5
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Quote:
Originally Posted by JDF
If you do the plenum/throttle body combo it should get you some power. If you get a tuner that should help maximize the power gains.
+1 A plenum/throttle body combo will net you some hp but not much!.. That is until you Supercharge or turbo it (if you plan on going that route)!.. BBK makes a one piece 78mm TB/plenum!.. Other than that the largest there is is a 75mm TB!.. I went with a 75mm TB/plenum combo and I got a little extra hp!.. But I'm also planning a SC some day soon!..

---------- Post added at 04:47 PM ---------- Previous post was at 04:46 PM ----------

Also if you haven't already get a tuner!.. SCT and DiabloSport are both pretty good!..
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Old 01-02-2012, 04:42 PM   #6
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I agree. And quote me if I am wrong. We usually start with throttle body and plenum cold air intake and then the tuner
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Old 01-02-2012, 04:48 PM   #7
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Originally Posted by Gtif
I agree. And quote me if I am wrong. We usually start with throttle body and plenum cold air intake and then the tuner
Personally I think those three things should go hand n hand!.. Because I don't think you are really going to realize the potential of any of those parts with out the other two!..
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Old 01-02-2012, 05:24 PM   #8
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Thanks a lot guys.
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Old 01-02-2012, 06:10 PM   #9
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Thanks a lot guys.
No problemo!!... Lol
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Old 01-02-2012, 11:07 PM   #10
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I agree
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Old 01-02-2012, 11:09 PM   #11
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Don't go any bigger then 75 mm unless ur r plaining to sc it later its a waste.
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2001 gt, 5speed. 70mm throttle body with stackracing plenum. bbk intake, 4.10 eaton posi, short shifter, o/r side exhuast.
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Old 01-02-2012, 11:17 PM   #12
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Originally Posted by Berbantor
Don't go any bigger then 75 mm unless ur r plaining to sc it later its a waste.
+11
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Old 01-03-2012, 12:54 PM   #13
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Not trying to hijack, but I am running AM's CAI with a K&N cone fashioned up to it, catless H pipe and flowmasters.. Next to bat was going to be a Trick Flow 70mm TB/plenum and an SCT.. Am I wasting money on the TB? I don't want to spend a few hundred dollars to get nothing. I was expecting at least 8HP.
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Old 01-03-2012, 01:11 PM   #14
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No unless ur going to sc it. That Would be perfect. I'm running a 75 mm stack racing with plenum. Notice some difference and a lot better throttle response. But the 70mm will do.

---------- Post added at 01:11 PM ---------- Previous post was at 01:10 PM ----------

Well that's on my 01 gt.
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2001 gt, 5speed. 70mm throttle body with stackracing plenum. bbk intake, 4.10 eaton posi, short shifter, o/r side exhuast.
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Old 01-03-2012, 01:12 PM   #15
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Re: throttle body?

Just did a 75 mm BBK with a 78mm trick flow plenum I found on craigslist for 70 bucks still in the box. It gave im guessing 10 hp at the wheels and feels alot smoother pulling to redline.
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Old 01-03-2012, 01:23 PM   #16
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Well ill go 75, but I figured N/A I'd get more velocity out of the 70. If I pick up around 10hp I'll be happy.
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Old 01-03-2012, 01:28 PM   #17
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That's the way to do it LOL
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2001 gt, 5speed. 70mm throttle body with stackracing plenum. bbk intake, 4.10 eaton posi, short shifter, o/r side exhuast.
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Old 01-03-2012, 06:06 PM   #18
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Well, yeah. The real question was if it will net me a gain.
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Old 01-03-2012, 06:16 PM   #19
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Originally Posted by AgentOrange
Well, yeah. The realy question was if it will net me a gain.
It will but don't expect large gains!..
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Old 01-03-2012, 06:38 PM   #20
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I have a professional products tb and plenum. They are pretty nice. I made sure to clean up the inside casting of the plenum. It was pretty rough. It definitely help the throttle response. And it gave it a cool sound when the air rushes in.
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Old 01-11-2012, 04:01 PM   #21
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I recently am having to replace my intake manifold. so, in shopping for the best prices i decided to go with the cheaper upgraded performance improvment model from am. I also thought if I was going to take the IM off I should go ahead and upgrade the TB and plenum as well. My question is I only have enough $$ to buy either the cheaper cold air inake or the stack racing intake spacer. I originally was going to buy the SRIS because everything was going to be off already but, then a friend of mine was saying some ppl say the SRIS doesn't really do much and i should go with the cold air inake. Any thoughts???
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Old 01-11-2012, 04:06 PM   #22
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Quote:
Originally Posted by Kingjax03GT
I recently am having to replace my intake manifold. so, in shopping for the best prices i decided to go with the cheaper upgraded performance improvment model from am. I also thought if I was going to take the IM off I should go ahead and upgrade the TB and plenum as well. My question is I only have enough $$ to buy either the cheaper cold air inake or the stack racing intake spacer. I originally was going to buy the SRIS because everything was going to be off already but, then a friend of mine was saying some ppl say the SRIS doesn't really do much and i should go with the cold air inake. Any thoughts???
Google reviews on it.
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Old 01-14-2012, 09:55 AM   #23
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Google, huh. Thats it. Thnx
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Old 01-14-2012, 11:07 AM   #24
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Quote:
Originally Posted by Kingjax03GT
Google, huh. Thats it. Thnx
Sorry. I don't know any thing about the spacer. Nor have i read anything about it. I do know that a cheap intake with a good filter will be just fine. I would do the intake.
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Old 01-14-2012, 01:07 PM   #25
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Quote:
Originally Posted by AgentOrange
Well, yeah. The real question was if it will net me a gain.
Typically you will see about 4-5 hp from just the spacer alone.
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Old 01-14-2012, 01:26 PM   #26
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Quote:
Originally Posted by Kingjax03GT
I recently am having to replace my intake manifold. so, in shopping for the best prices i decided to go with the cheaper upgraded performance improvment model from am. I also thought if I was going to take the IM off I should go ahead and upgrade the TB and plenum as well. My question is I only have enough $$ to buy either the cheaper cold air inake or the stack racing intake spacer. I originally was going to buy the SRIS because everything was going to be off already but, then a friend of mine was saying some ppl say the SRIS doesn't really do much and i should go with the cold air inake. Any thoughts???
If you're stock. A spacer isn't gonna do anything for you. You'd be better off saving what you've got and put it towards a tuner or exhaust. Hp gains from a TB spacer would be more noticeable if you had other mods to accommodate it.
I'm only saying this because I've done some reading and in most cases a mod that will only gain a few hp over stock will be unnoticed at the dyno because you will almost never make the same numbers twice.
I'd save for a tuner, then an cai, then a full exhaust.
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Old 01-14-2012, 01:41 PM   #27
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Quote:
Originally Posted by primer2tone

If you're stock. A spacer isn't gonna do anything for you. You'd be better off saving what you've got and put it towards a tuner or exhaust. Hp gains from a TB spacer would be more noticeable if you had other mods to accommodate it.
I'm only saying this because I've done some reading and in most cases a mod that will only gain a few hp over stock will be unnoticed at the dyno because you will almost never make the same numbers twice.
I'd save for a tuner, then an cai, then a full exhaust.
I got a TB spacer from Steeda a couple years ago for my GT!.. They claim 2-4hp NA and 4-8hp with FI!... At the time it was only like $25 and I figured why not!.. I haven't seen any solid gains from it but nothing negative from it either!..
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Old 01-14-2012, 03:29 PM   #28
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Quote:
Originally Posted by Eturner

I got a TB spacer from Steeda a couple years ago for my GT!.. They claim 2-4hp NA and 4-8hp with FI!... At the time it was only like $25 and I figured why not!.. I haven't seen any solid gains from it but nothing negative from it either!..
That's my point. For the money, it's worth adding it, especially if you're adding mods later.
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Old 01-14-2012, 03:36 PM   #29
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If I were to get a new throttle body, would a spacer come with it? Everything I am reading about the TB and TB spacers is that either one only gains up to about 5 to 10 HP. The price difference is huge. Does anyone have either one or both? What is the real deal for the money?
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Old 01-14-2012, 04:26 PM   #30
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Quote:
Originally Posted by pondit0
If I were to get a new throttle body, would a spacer come with it? Everything I am reading about the TB and TB spacers is that either one only gains up to about 5 to 10 HP. The price difference is huge. Does anyone have either one or both? What is the real deal for the money?
I have a 75mm TB and matching upper plenum (elbow)!.. I also have the "TB" spacer from Steeda (it actually mounts between the upper plenum and intake manifold)!.. At the time I got it, it was about $25!.. They said it would gain about 2-4hp on a NA motor and 4-8hp on a FI motor!..

Any TB and TB Spacer on a NA motor will net you a gain but it will be minimal!.. Those things usually don't start to shine until you start upgrading your heads, cams, and/or go FI!... Between the TB, upper plenum, and spacer I probably gained about 12hp!...
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Old 01-14-2012, 05:01 PM   #31
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Thanks man.
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Old 01-14-2012, 05:47 PM   #32
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No problem!..
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Old 01-14-2012, 08:04 PM   #33
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Thnx, gents
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Old 01-14-2012, 08:18 PM   #34
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Originally Posted by Kingjax03GT
Thnx, gents
No problem!
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