Intake Manifold
Thread Starter
Instructor
Joined: Oct 2009
Posts: 219
Likes: 1
From: Inverness Fl
Intake Manifold
Well, quick question if i change my intake manifold to a 92mm would I have to change TB as well to 92 mm, or what else would I have to change. Next: is I have the money to change head and cam, would I rather do that first then change manifold?
Next: If I go to a procharger would be better off not changing anything at all?
Racer
Joined: Oct 2008
Posts: 374
Likes: 0
Well, quick question if i change my intake manifold to a 92mm would I have to change TB as well to 92 mm, or what else would I have to change.
Next: is I have the money to change head and cam, would I rather do that first then change manifold?
Next: If I go to a procharger would be better off not changing anything at all?
Well if you have a tb smaller than 90mm you will have to change the TB because if your intake is 4 bolt(like LS2)and your tb if smaller would be 3 bolt(like LS1) you will not be able to connect both pieces. you would need a 90mm tb to connect to your 92mm intake.
concerning the head/cam question you are not specifying if you have a ls1,
ls6 or ls2. I would do the head/cam swap because you would gain more power than the manifold change. If you have a ls1 I would change to a ls6 intake. If you still want to improve have Ls6 with a 90mm snout and get a
ls2 90mm tb with wiring harness( if you have a ls1 engine). This combo is less than what you will pay for the 92mm intake.
If you go FI leave every as is. If you want to improve install a blower cam and have customed tune your ecm and your done.
Next: is I have the money to change head and cam, would I rather do that first then change manifold?
Next: If I go to a procharger would be better off not changing anything at all?
Well if you have a tb smaller than 90mm you will have to change the TB because if your intake is 4 bolt(like LS2)and your tb if smaller would be 3 bolt(like LS1) you will not be able to connect both pieces. you would need a 90mm tb to connect to your 92mm intake.
concerning the head/cam question you are not specifying if you have a ls1,
ls6 or ls2. I would do the head/cam swap because you would gain more power than the manifold change. If you have a ls1 I would change to a ls6 intake. If you still want to improve have Ls6 with a 90mm snout and get a
ls2 90mm tb with wiring harness( if you have a ls1 engine). This combo is less than what you will pay for the 92mm intake.
If you go FI leave every as is. If you want to improve install a blower cam and have customed tune your ecm and your done.
Safety Car
Joined: Oct 2007
Posts: 3,903
Likes: 1
From: You know your drunk when you swerve to miss the tree then you realize its your air freshener! Covington Ga
Search Heads or FAST Set-up. I started it awhile back to get some info for mine. There is alot of good info in there that will help you. 
