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ls6 intake install

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Old Dec 25, 2007 | 01:50 AM
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Do I need all the ls6 fuel rails and coolant lines when throwing an ls6 intake onto an ls1 or is it just switch and go?
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Old Dec 25, 2007 | 04:53 AM
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Originally Posted by largeitalian
Do I need all the ls6 fuel rails and coolant lines when throwing an ls6 intake onto an ls1 or is it just switch and go?
You can use the LS1 fuel rails, but you will need the LS6 coolant lines.
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Old Dec 25, 2007 | 05:15 AM
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Originally Posted by SleeperC5
You can use the LS1 fuel rails, but you will need the LS6 coolant lines.
Exactly right. Be careful of the fittlings/tubing at the back of the intake when removing. Also, don't over-torque the bolts. It is a pretty easy job that I did on my Z28 in about an hour and the F-body has 1/2 the engine under the cowl...
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Old Dec 25, 2007 | 09:04 AM
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How about gaskets ?
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Old Dec 25, 2007 | 09:37 AM
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Originally Posted by 2079
How about gaskets ?
Most of the time you can reuse the intake manifold and throttle body gasket several times before replacing them..I recently bought a new LS6 Intake kit from GM.This kit includes the intake manifold, intake seal P/N 12560251, intake manifold gasket kit P/N 12533587, throttle body seal P/N 12552542, map sensor P/N 16212460, map sensor seal P/N 16194007.

Sometimes also I've had to replace some of the injector O-Rings because they can get buggeried up during the swap..
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Old Dec 25, 2007 | 11:30 AM
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Originally Posted by SoSlow1
Most of the time you can reuse the intake manifold and throttle body gasket several times before replacing them..I recently bought a new LS6 Intake kit from GM.This kit includes the intake manifold, intake seal P/N 12560251, intake manifold gasket kit P/N 12533587, throttle body seal P/N 12552542, map sensor P/N 16212460, map sensor seal P/N 16194007.

Sometimes also I've had to replace some of the injector O-Rings because they can get buggeried up during the swap..
You will also need the coolant pipe set up for the LS6. GMpartshouse.com


Good luck with the swap.
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Old Dec 25, 2007 | 12:56 PM
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ive heard you can grind down the intake so that the ls1 coolant lines work?
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Old Dec 25, 2007 | 01:03 PM
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
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Originally Posted by largeitalian
Do I need all the ls6 fuel rails and coolant lines when throwing an ls6 intake onto an ls1 or is it just switch and go?
This will help - But no you do not need the LS6 fuel rail
http://www.ls1howto.com/index.php?article=5

You will need the coolant lines for the LS6 set-up!

Thanks,Matt
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