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Stock Ported TB gains..graph inside

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Old Aug 8, 2006 | 08:47 AM
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Default Stock Ported TB gains..graph inside

I started about three months ago...i got port happy looking for extra power every where...well i think i started to get pretty good at doing tb's...i have done 3 for friends now...and they all noticed a gain...
One of them gained 1mph in the 1/8 mile with it....
Well i finally have a dyno # to back it up

I tested a stock Tb...then one of my ported tb's....these were back to back runs..take 5 min cool down for the exchange of tb's....
This comparison isnt the best result...
if you factor the best run...its a 8hp/6tq gain
Marginal results...but enough to count


Last edited by HartAttack; Aug 8, 2006 at 10:58 AM.
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Old Aug 8, 2006 | 08:55 AM
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So does this mean you are going to be opening shop soon? Kindof hard to see the graph. Have you done a back to back throttle response test as well?
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Old Aug 8, 2006 | 09:07 AM
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Originally Posted by MISERICORDIA
So does this mean you are going to be opening shop soon? Kindof hard to see the graph. Have you done a back to back throttle response test as well?
No sir,
i am not a sponser....i just posting results to show gains.
Back to back throttle is easily a win/win situation with the ported one. It makes power across the whole rpm band.

http://img.photobucket.com/albums/v4...comparison.jpg
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Old Aug 8, 2006 | 10:38 AM
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ummm, i cant see ****. post a bigger image, please!
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Old Aug 8, 2006 | 10:58 AM
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Originally Posted by GuitsBoy
ummm, i cant see ****. post a bigger image, please!
fixed it
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Old Aug 8, 2006 | 11:01 AM
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so these gains were only seen on heavily modified engines? you might include this information...kind of like adding a fast 90 setup to a h/c car vs a bolt-on car.

porting the tb on a bolt-on car appears to be useless.
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Old Aug 8, 2006 | 11:11 AM
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^ i noticed my tb port on my bolt on car the response improvent was very noticible.
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Old Aug 8, 2006 | 03:13 PM
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Awesome.....off topic...how much of a drop do you have? I love that pic in your sig
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ive ported several....and the one i have on my car didnt give me a seat of the pants difference but there is more response in the lower rpms....
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Old Aug 8, 2006 | 04:17 PM
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i believe it gains everywhere even on a stock ls1...i just did one for a lid,cutout only z28 car...and he said he definitly noticed a difference...i will have dyno numbers on that subject here soon.
Ravensfan- its the eibach pro kit...2in drop
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