THE HEADER SIZE DEBATE WILL BE SETTLED ONCE AND FOR ALL

[chappy48]

Originally Posted by CWIweldace

Are you going to do multiple pulls on each to get a fair average?

Trust me, Ted always does multiple pulls to make sure the numbers are accurate.

And Ted, thanks for stepping up to the plate on this. Can't wait to see the results...especially on the FI side

[A.R. Headers]

Guys, In terms of the headers themselves, what we'll be supplying Ted is the more popular header/merge collector set-ups. Keep in mind that we often fine tune our merge collectors for various applications. With 2" primaries we've already supplied sets for max effort heads/cam, strokers etc.. with 3-1/2" and even 4" collectors. Likewise we've supplied 1-7/8" headers with 3-1/2" collectors.

Nick

[mwt18]

Originally Posted by Total_Perf_Eng

Unfortunately, the great header debate will always be a debate.. By keeping the stock catback, there will be a huge group of guys that say whats the point in uncorking the headers only to re-cork at the catback.

If we really wanted to put an end to this debacle, could the rest of the exhaust not just be left out? Or, just do a run before connecting the rest of the exhaust after each set of headers is installed. This would give us 2 data sets and a way to extrapolate how each size header would 'play' with a less restrictive exhaust.

Originally Posted by Total_Perf_Eng

Then, there will be guys who say without proper tuning, the results are severly skewed.

Then let's add another variable to the testing!... Now our test matrix looks like this:
1 3/4" No catback exhaust w/o tune
1 3/4" No catback exhaust w/ tune
1 3/4" OEM catback exhaust w/o tune
1 3/4" OEM catback exhaust w/ tune

1 7/8" No catback exhaust w/o tune
1 7/8" No catback exhaust w/ tune
1 7/8" OEM catback exhaust w/o tune
1 7/8" OEM catback exhaust w/ tune

2" No catback exhaust w/o tune
2" No catback exhaust w/ tune
2" OEM catback exhaust w/o tune
2" OEM catback exhaust w/ tune

This involves 12 independent tests. IMO, installing a few tunes and doing a few extra dyno pulls wouldn't take half as long as removing and reinstalling each set of headers.

Originally Posted by Total_Perf_Eng

No matteer what, there will always be a majority group that disagrees with some part of the test.

This is science, it's an iterative process... live and learn.. But, I think it should be given a full effort.

These are just my opinions and it's not my test. I did not and would not sign up for such a task as I've outlined. My main point is that if a sound scientific approach is used, the results will be hard to argue with. Good luck, Ted!

[69 Camaro 09]

i agree with mwt18 100%. This is going to be a great thread!

[BLACK10]

Originally Posted by mwt18

If we really wanted to put an end to this debacle, could the rest of the exhaust not just be left out? Or, just do a run before connecting the rest of the exhaust after each set of headers is installed. This would give us 2 data sets and a way to extrapolate how each size header would 'play' with a less restrictive exhaust.


Then let's add another variable to the testing!... Now our test matrix looks like this:
1 3/4" No catback exhaust w/o tune
1 3/4" No catback exhaust w/ tune
1 3/4" OEM catback exhaust w/o tune
1 3/4" OEM catback exhaust w/ tune

1 7/8" No catback exhaust w/o tune
1 7/8" No catback exhaust w/ tune
1 7/8" OEM catback exhaust w/o tune
1 7/8" OEM catback exhaust w/ tune

2" No catback exhaust w/o tune
2" No catback exhaust w/ tune
2" OEM catback exhaust w/o tune
2" OEM catback exhaust w/ tune

This involves 12 independent tests. IMO, installing a few tunes and doing a few extra dyno pulls wouldn't take half as long as removing and reinstalling each set of headers.


This is science, it's an iterative process... live and learn.. But, I think it should be given a full effort.

These are just my opinions and it's not my test. I did not and would not sign up for such a task as I've outlined. My main point is that if a sound scientific approach is used, the results will be hard to argue with. Good luck, Ted!

I dont think he has a month to run this test

[sixty9fordkiller]

This is outstanding. im ready to buy my entire exhaust and CAI system already and if the results between the 1 7/8 and 1 3/4 are minimal, im going with kit# 6511 from kooks. ASAP!

[FirstLSK]

Ted,

You are, without a doubt, one of my favorite people on this forum !!!


Subscribed.

.

[PieNsky]

Well Ted, did you think you would have stirred so much pre-debate on this?

[COBRA CAMANDER]

Originally Posted by BLACK10

I dont think he has a month to run this test

haha I have to agree with you on that. Ted is always busy as you would expect with the best. Trust me guys when I say Ted knows WTF he's doing. These test will be as accurate and fair as possible. Just chillax and let the man do what he does. I can't wait to see the results.

<---- HaHa It's a banana!

[Legend]

Looking forward to the results...I want long tubes...and want ARH...so this will be the perfect test to see what is the best to go with!

I do have a TVS2300 on the car...so...

[v6sonoma]

Will we be able to watch it live like the CAI test. That was really fun. I enjoyed watching last time.

[JohnForeman]

Originally Posted by v6sonoma

Will we be able to watch it live like the CAI test. That was really fun. I enjoyed watching last time.

[Sean@Phastek]

Can't wait to see the results!

[MrGazinya]

Originally Posted by Sean@Phastek

Can't wait to see the results!

+1 I'm in the market for long tubes as well..