Winters here, Time for bolt ons.
Thread Starter
Staging Lane
Joined: May 2015
Posts: 70
Likes: 0
From: Georgia
Sounds like ill be going with the 1 7/8 LT's then. Ill eventually cam the car but thats not going to happen for another few years. Still learning the car and doing research on that project.
Thread Starter
Staging Lane
Joined: May 2015
Posts: 70
Likes: 0
From: Georgia
since you have a 99 if keeping the stock ls1 intake have you done the egr mod? open TB and look to see if thing is hanging down blocking airflow at the front of intake inside. if legal LT headers and a tune. cheers.
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yes, free egr mod cut that b@@@@ out of there! http://www.installuniversity.com/ls1...r/ls1-egr.html after that think about ported TB.
Thread Starter
Staging Lane
Joined: May 2015
Posts: 70
Likes: 0
From: Georgia
well, im gonna be doing an egr delete when i install headers, and from the pics it looks like all of that will come out when i slide the egr tube out? just gotta get a block off plate for it when i order headers.
Launching!
Joined: Feb 2015
Posts: 228
Likes: 0
From: Chemical Valley
Yes that tube will be removed completely when you delete and do the headers. I'd recommend just going all out and getting the motor mounts too. 1 7/8 primary is the new standard and I'll be installing mounts and speed engineering headers tomorrow. I recommend deleting as much as you can get away with it makes working on the car much easier. Upgrading the ls1 intake would help also. Check out the list of free mods like the DIY ram air etc.
1 7/8" Speed engineering headers all the way.. for the price you can't beat them.. installed easy with no modifications.. they fit so tight along the bottom of your car you will want to do the motor mounts for sure..