header help!!
header help!! OK, ive searched and im having trouble deciding....
I ordered my 408 with a set of OTP'z and after some deliberation, im considering swapping the Q'z for a set of dynatech.
FIrst of, are the dynatechs stainless?
Second, has anyone done a direct comparison which might aid in my final decision? I need to know in at least two days so the sooner the better guys/girls...........
Also, should i go to a stepped header with the new motor (buhahahaha!!!) or stay with the 1 3/4 size?
wat do ya'll think?
thanks!
I ordered my 408 with a set of OTP'z and after some deliberation, im considering swapping the Q'z for a set of dynatech.
FIrst of, are the dynatechs stainless?
Second, has anyone done a direct comparison which might aid in my final decision? I need to know in at least two days so the sooner the better guys/girls...........
Also, should i go to a stepped header with the new motor (buhahahaha!!!) or stay with the 1 3/4 size?
wat do ya'll think?
thanks!
Originally Posted by SouthFL.02.SS
I say go with 1 7/8" QTP's for a 408.
ALso, why the dynatechs over the Q'z? Are they of better quality? fitment? power?
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Joined: Apr 2003
Posts: 7,133
Likes: 2
From: Miami
Originally Posted by obZidian
why? If i go for the 1 7/8, might it only increase power slightly on top and decrease torque on the bottom of the powerband?
ALso, why the dynatechs over the Q'z? Are they of better quality? fitment? power?
ALso, why the dynatechs over the Q'z? Are they of better quality? fitment? power?
1 7/8" is perfect for 408 ci.
Spring for the High Velocity Merge collectors if you want to spend more money.
i think the the merge collector is more than wat i can spend right now.........
also, people have had great numbers with a 1 3/4 header wth a 408ci so i figured it would be fine....
im leaning for the dynatechs becuase i heard the fitment rocks and they make a bit more power than the Q'z....
also, people have had great numbers with a 1 3/4 header wth a 408ci so i figured it would be fine....
im leaning for the dynatechs becuase i heard the fitment rocks and they make a bit more power than the Q'z....
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I like the QTP's, had them on my 409 for a bit. Very nice quality. Dont spend hundereds for for a few HP unless this is an all out project. The again, they are all "all out". Youll be happy with either. Larger (1 7/8) can cost you torque in same cases, but may free up a few pnoys up top. Torque is good to get going if your heavy.
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exactly, i feel even though the larger motor "wants" a larger pipe and it will create more hp on top, however, i dont want to loose though minimal in both cases the torque down low...........even with the 408.
As for wat i've read, all long tubes are basically the same in power number, a few hp/trq. +/- so the really issue i believe is the fitment and PITA factor when installing them.....
Chris at APE assures me that the dyantechs are probably the easiest to install.......so im leaning towards the dyna'z.
if anyone has any further info on the install of the q'z, especially the y-pipe and clearance, let me know when compared, if possible, to the dyantechs...
As for wat i've read, all long tubes are basically the same in power number, a few hp/trq. +/- so the really issue i believe is the fitment and PITA factor when installing them.....
Chris at APE assures me that the dyantechs are probably the easiest to install.......so im leaning towards the dyna'z.
if anyone has any further info on the install of the q'z, especially the y-pipe and clearance, let me know when compared, if possible, to the dyantechs...
My qtps went on perfect..slid on in 5 minutes or less...I think I may have spent 4 of those minutes removing the starter..but not sure I even had to do that.
Originally Posted by obZidian
exactly, i feel even though the larger motor "wants" a larger pipe and it will create more hp on top, however, i dont want to loose though minimal in both cases the torque down low...........even with the 408.
As for wat i've read, all long tubes are basically the same in power number, a few hp/trq. +/- so the really issue i believe is the fitment and PITA factor when installing them.....
Chris at APE assures me that the dyantechs are probably the easiest to install.......so im leaning towards the dyna'z.
if anyone has any further info on the install of the q'z, especially the y-pipe and clearance, let me know when compared, if possible, to the dyantechs...
As for wat i've read, all long tubes are basically the same in power number, a few hp/trq. +/- so the really issue i believe is the fitment and PITA factor when installing them.....
Chris at APE assures me that the dyantechs are probably the easiest to install.......so im leaning towards the dyna'z.
if anyone has any further info on the install of the q'z, especially the y-pipe and clearance, let me know when compared, if possible, to the dyantechs...
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Joined: Apr 2003
Posts: 7,133
Likes: 2
From: Miami
APE sells Kook's 1 7/8" LT's.
Install and fitment does not get easier and better than Kooks/ QTP's.
I installed a set of QTP's on my car. They slid right in.
You should honestly purchase whatever you want. It is your money and your car. I'll just state my opinion one last time that there is a big difference in terms of Cubic Inches from 346ci to 408ci. I would use a set of 1 7/8" LT's.
Install and fitment does not get easier and better than Kooks/ QTP's.
I installed a set of QTP's on my car. They slid right in.
You should honestly purchase whatever you want. It is your money and your car. I'll just state my opinion one last time that there is a big difference in terms of Cubic Inches from 346ci to 408ci. I would use a set of 1 7/8" LT's.
Last edited by SouthFL.02.SS; Jan 6, 2005 at 07:18 AM.
true enough, but when dyno'in their motor, they used a set of 1 3/4 headers, dyantech i believe. and it made close to 600hp @ crank. Also, ive been talking withouts and read tons of stuff, i think hot rod magazine had an article on headers, cant remember which one right now..... but, the difference with size in a large motor is gonna be slight.........the only thing i see is wat area of power on prefers..
IMO, and for the time being which is gonna e a while, is that im leaning for the 1 3/4.........just the simple reason if, though minimal when compared to the sum, takes to much of the trq. down low. and if im not happy, well i guess i could sell them and up size it.
I really appreciate the responses which im truth do help......i'll let you all know when i get them dropping in......
thanks again!!
IMO, and for the time being which is gonna e a while, is that im leaning for the 1 3/4.........just the simple reason if, though minimal when compared to the sum, takes to much of the trq. down low. and if im not happy, well i guess i could sell them and up size it.
I really appreciate the responses which im truth do help......i'll let you all know when i get them dropping in......
thanks again!!
