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Old Jun 19, 2005 | 01:50 PM
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Default ls6 intake

i have a 99 trans am if i put the ls6 intake manifold on my car will it effect anything because people have told me i have to port my heads.
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Old Jun 19, 2005 | 02:05 PM
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Well those people are dumbasses then. The LS6 intake is a direct swap on the LS1 motor. The only thing you need is coolant plugs for the heads and a coolant crossover pipe that goes under the TB and connects from the driver to passenger head. These pieces I mentioned are less than $50 total.
Also there's a really good install writeup on the intake...search for JMX's install guide.
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Old Jun 19, 2005 | 02:09 PM
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Should gain anywhere from 15-20 rwhp?
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Old Jun 19, 2005 | 02:12 PM
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Originally Posted by SCREAMIN
Should gain anywhere from 15-20 rwhp?
Not on a stock motor. If you plan to go internal later you will want to have the LS6 on there. I installed an LS6 intake manifold and SLP underdrive pulley on my cam only auto and gained 43 rwhp.

Stock or bolt ons only you'll probably only see 10-15 rwhp, if I had to guess..
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Old Jun 19, 2005 | 07:57 PM
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Originally Posted by Red99TA
Well those people are dumbasses then. The LS6 intake is a direct swap on the LS1 motor. The only thing you need is coolant plugs for the heads and a coolant crossover pipe that goes under the TB and connects from the driver to passenger head. These pieces I mentioned are less than $50 total.
Also there's a really good install writeup on the intake...search for JMX's install guide.
I second the dumbass statement lol
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Old Jun 21, 2005 | 08:42 PM
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LS1howto's install site:
http://www.ls1howto.com/
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