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To use or not to use LS1/LS6 Intake Manifold

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Old 04-12-2007 | 04:29 PM
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Default To use or not to use LS1/LS6 Intake Manifold

I have one but I do not know if I can justify it for the mods I am doing. I am doing the 212/218 high lift cam what do you al think. Is it worth it or should I sale it?
Old 04-12-2007 | 04:35 PM
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is it a ls1 or ls6, i believe there is a difference between them. If it is LS6 i would do it!
Ls6= better flow
Old 04-12-2007 | 04:46 PM
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from hearsay , the ls1 flows worse than the truck intake

definetely do the ls6
Old 04-12-2007 | 04:54 PM
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Maybe some others will give their input here. I know the LS6 intake swap has been done here by some. Just from what I have read though the LS6 intake flows more in the upper RPM ranges. You might give up some on the low end with the swap, although with that cam being lower duration and likely more torque it might not be that bad. What torque converter you running? I'm not sure what the RPM range of that cam is, but it might not take much advantage of the higher flowing LS6 Intake.

Not saying its not worth it, cause I really don't know, but it would be worth looking into at least. Keep us informed.
Old 04-12-2007 | 05:48 PM
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i prolly want do it since that cam dont really pull over 6K. i am going to get a tt3000 converter
Old 04-12-2007 | 10:28 PM
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gonna sell the LS6 manifold? pm me if you are!!
Old 04-13-2007 | 03:49 PM
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whats the part # on ls6 intake?
Old 04-14-2007 | 03:37 AM
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12561182/4

the LS6 has a flat bottom
Old 04-14-2007 | 08:42 AM
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What are your plans for the truck? I'm liking these Vic Jr swaps people are doing. And I'm wondering what a FAST 90/90 setup on one of these trucks would do... especially on a FI truck.
Old 04-15-2007 | 02:20 AM
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Do the LS6 if you already have it.Its ok if you dont go over 6k RPMs.The LS6 will help evan a mild motor.


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