Need an opinion on TB and headers
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Smooth
Joined: Mar 2006
Posts: 64
From: Cincy
Need an opinion on TB and headers
I have read in a few places that throttle bodies only allow more air flow and does not increase your horsepower. But every place that sells them, in thier description they mention a 10 HP gain just by bolting it on.
Basically the same question about headers.
Do these parts add horsepower? Or just not worth the money and time?
Basically the same question about headers.
Do these parts add horsepower? Or just not worth the money and time?
Senior Member
Joined: Dec 2004
Posts: 10,237
Yeah they do help a little bit. I noticed my gain at about 2800 rpm with the throttle body/plenum combo. Will you get 10 rwhp? No probably not. Real world figures would be around 6-8 rwhp.
If you are doing headers, do long tubes or nothing. The work involved is exactly the same. While you do need a shorty midpipe with long tubes, the results are better than shorties with a regular sized xpipe. Long tubes give more than shorties. Shorties usually give a 10-15 rwhp increase on a good day, and longtubes are 20 give or take. Ive seen results a tad higher though, too.
Combining a throttle body and plenum combo will help each other out with a header job resulting in better power increases togeather, compared to individually.
If you are doing headers, do long tubes or nothing. The work involved is exactly the same. While you do need a shorty midpipe with long tubes, the results are better than shorties with a regular sized xpipe. Long tubes give more than shorties. Shorties usually give a 10-15 rwhp increase on a good day, and longtubes are 20 give or take. Ive seen results a tad higher though, too.
Combining a throttle body and plenum combo will help each other out with a header job resulting in better power increases togeather, compared to individually.
Senior Member
Joined: Dec 2004
Posts: 10,237
Originally Posted by dsdaddy
Is the Accufab TB/Plenum combo the best way to go?
Senior Member
Joined: Mar 2006
Posts: 323
From: Jacksonville,FL
I just put on BBK today(pics here @ out with the old...in with the new post). Not sure why, I've used BBk tb for years and have never had any probs. I have used one from Ed-brock(89 5.0L) and had to trash it, all kinds of probs, so I tried a BBk and have used ever since. I think it's more of a pref.
Grayscale background FTW!
Joined: Jun 2005
Posts: 1,487
From: Texas
Originally Posted by MattJ
They have been in a dyno proved shootout between all the other combos with the highest results. Yeah they gain the most but buy any combo and youll be alright. 1-2hp isnt worth the extra money in all reality unless it IS to you.
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