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Old 01-21-2016, 01:45 PM   #1
Sakudog

 
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Drives: 2019 ZL1 1LE A10
Join Date: Jan 2015
Location: The ATX
Posts: 966
Intake manifold & tb upgrade for Twin Turbo setup worth it?

For the gurus and those with direct experience:

The Context:

My setup is AGP TT w/58/62 Turbos and we are swapping the stock LSA shortblock for a fully built LME motor early next month. The current motor has very nice heads and a BTR Stage III PD cam which we may swap for a Turbo Cam. Power goals are 1050-1100 rwhp reliable.

The Question:

Is there any value in upgrading my stock LS3 and LSA Intake/TB to something else in this process or at a later time?

Target is to make 1100 wheel reliably, made 920 @ 17psi so that shouldn't be an issue but just wondering if there are any reasonable gains moving from the stock LS3/TB combo to something like say an LSXR, LSXRT or sheet metal intake with a setup like mine.

Most EVERYTHING I've read and researched says the LS3/Stock TB approach for anything under 1400 wheel is ideal but I'd love to confirm this with those who know and hopefully substantiated with dyno tests.

Thanks!
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2019 ZL1 1LE A10
2015 Z/28 #809
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