Switching to Long Tubes
Thread Starter
Pro
Joined: Sep 2003
Posts: 731
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From: Calgary Alberta
Switching to Long Tubes
Hi everyone,
I currently have the Vortech brand SC kit (SQ S-trim)on my 2000. It is pushing 5 lbs. on a basically stock LS1 with the LS6 intake, ported TB, Crane 1.8 rockers, and B&B coated shorties (currently 432 rwhp).
I plan on going to LT's and meth injection.
1) will the long tubes make a worthwhile increase over the B&B shorties, or will the increase be negligible?
2) Should the meth kit injector be placed prior to the IAT sensor, or directly into the TB like the A&A kits?
Thanks for any help.
Ted
I currently have the Vortech brand SC kit (SQ S-trim)on my 2000. It is pushing 5 lbs. on a basically stock LS1 with the LS6 intake, ported TB, Crane 1.8 rockers, and B&B coated shorties (currently 432 rwhp).
I plan on going to LT's and meth injection.
1) will the long tubes make a worthwhile increase over the B&B shorties, or will the increase be negligible?
2) Should the meth kit injector be placed prior to the IAT sensor, or directly into the TB like the A&A kits?
Thanks for any help.
Ted
Last edited by hightest; Nov 22, 2007 at 08:15 PM. Reason: typo
Drifting
Joined: Apr 2005
Posts: 1,340
Likes: 3
From: Levittown NY
With the LT headers you will lose a little more boost. What size pulley are you running?
1) It wil be a nice increase, shorties really don't do too much.
2) The meth kit should go after the MAF not before it.
1) It wil be a nice increase, shorties really don't do too much.
2) The meth kit should go after the MAF not before it.
Last edited by 2004SpiralGrey; Nov 22, 2007 at 06:53 PM.
Thread Starter
Pro
Joined: Sep 2003
Posts: 731
Likes: 0
From: Calgary Alberta
Drifting
Joined: Apr 2005
Posts: 1,340
Likes: 3
From: Levittown NY
I lost 4 lbs. when i went with lt headers. Let me know if you need a 3.6" Richard Racing Ultra grip pulley. It doesn't sound like you have the 3.6" pulley with those boost levels. With the 3.6" you should see about 8lbs. and with meth and a safe tune you should have somewhere around 540rwhp.
If you go with the LT's...Pulley down and run some meth. You'll have one mean street car
If you go with the LT's...Pulley down and run some meth. You'll have one mean street car
Team Owner
Joined: May 2006
Posts: 21,473
Likes: 356
From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
Hi everyone,
I currently have the Vortech brand SC kit (SQ S-trim)on my 2000. It is pushing 5 lbs. on a basically stock LS1 with the LS6 intake, ported TB, Crane 1.8 rockers, and B&B coated shorties (currently 432 rwhp).
I plan on going to LT's and meth injection.
1) will the long tubes make a worthwhile increase over the B&B shorties, or will the increase be negligible?
2) Should the meth kit injector be placed prior to the IAT sensor, or directly into the TB like the A&A kits?
Thanks for any help.
Ted
I currently have the Vortech brand SC kit (SQ S-trim)on my 2000. It is pushing 5 lbs. on a basically stock LS1 with the LS6 intake, ported TB, Crane 1.8 rockers, and B&B coated shorties (currently 432 rwhp).
I plan on going to LT's and meth injection.
1) will the long tubes make a worthwhile increase over the B&B shorties, or will the increase be negligible?
2) Should the meth kit injector be placed prior to the IAT sensor, or directly into the TB like the A&A kits?
Thanks for any help.
Ted
Your METH Kit should go in before the IAT sensor because it drops temperatures so much the IAT sensor will add timing and increase the HP!
Plus when you scan the IAT when you are tuning you can watch it decrease and the timing get bumped up!
If you do not then you will have the IAT at one temp (Hotter) than the actual intake charge!
As far as loosing the pounds of B@@ST w/ the addition of Headers I could not tell you, but what you can do is lookk at the responses and get a new pulley accordingly or install the headers and take a run and see where the B@@ST level is at and buy one accordingly!
Just don't run it too long with the headers that way becasue you are going to need a new tune as well as for the METH!
I have METH, Headers and a P1SC-1 ProCharger and I have a 3.85" Pulley and it is giving me 7.6 PSI of B@@ST!
Hope this helps!
Thanks,Matt
Thread Starter
Pro
Joined: Sep 2003
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From: Calgary Alberta
Thanks for all the replies!
I'll post exactly how much boost I drop after the header change, and I'll also post how much hp I gain after installing the LT's before the meth and pulley change.
I'll post exactly how much boost I drop after the header change, and I'll also post how much hp I gain after installing the LT's before the meth and pulley change.
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Thread Starter
Pro
Joined: Sep 2003
Posts: 731
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From: Calgary Alberta
I checked on the vortech pulley set-up, and their cogged pulleys are sized based on tooth count instead of diameter. My existing pulley is 32 teeth, I'm thinking that the 30 or 28 tooth count pulley should give me back around 4 lbs. of boost.