Help! LS7 going into my 1978 Trans Am
Thread Starter
Teching In
Joined: Jul 2010
Posts: 3
Likes: 0
From: Raleigh, NC
Help! LS7 going into my 1978 Trans Am I'm brand new to this Forum and could use a little guidance. I've searched the threads which were helpful and have a few questions now...
I was able to purchase a complete LS7 engine for $10,000 so with the extra money I didn't spend, I can put that into...
Headers
Cams
valve springs/retainers
We're doing a custom intake to keep the shaker hood functional.
I know a tune will be needed after everything is installed.
I've been surfing a variety of websites and reviewed ARH, Kooks, LG headers. Then I've researched Livernois Stage II cams, Katech Torquer LS7, GMPP, and a few others.
I'm looking to get 500HP and upper 400Torque to the rear wheels as a goal.
So that being said, I have a few questions:
1. Are the stock pushrods okay for what I'm planning to add to the motor?
2. Anything else I should be thinking about when doing this modification?
3. I keep reading about the debate between a 1 3/4 and a 1 7/8 header-any opinions on which one and why?
(I do want catted after the long tubes-will probably require custom exhaust.)
Thanks in advance!
I was able to purchase a complete LS7 engine for $10,000 so with the extra money I didn't spend, I can put that into...
Headers
Cams
valve springs/retainers
We're doing a custom intake to keep the shaker hood functional.
I know a tune will be needed after everything is installed.
I've been surfing a variety of websites and reviewed ARH, Kooks, LG headers. Then I've researched Livernois Stage II cams, Katech Torquer LS7, GMPP, and a few others.
I'm looking to get 500HP and upper 400Torque to the rear wheels as a goal.
So that being said, I have a few questions:
1. Are the stock pushrods okay for what I'm planning to add to the motor?
2. Anything else I should be thinking about when doing this modification?
3. I keep reading about the debate between a 1 3/4 and a 1 7/8 header-any opinions on which one and why?
(I do want catted after the long tubes-will probably require custom exhaust.)
Thanks in advance!
1 7/8 on headers no question. Almost any aftermarket cam will get you 500 to the wheels with a manual trans. If you do a good exhaust and intake tract put a fast 102 on it and port match to the heads with a good tune you will be close to 500 without touching the cam or the springs.
Thread Starter
Teching In
Joined: Jul 2010
Posts: 3
Likes: 0
From: Raleigh, NC
1 7/8 on headers no question. Almost any aftermarket cam will get you 500 to the wheels with a manual trans. If you do a good exhaust and intake tract put a fast 102 on it and port match to the heads with a good tune you will be close to 500 without touching the cam or the springs.
