Upgrades and tuning

[juan15gt]

Hello, I have a 50th anniversary GT, Stock aside from cold air intake. My check engine light just came on and i have found that it is the imrc stuck open and i've seen that it's common for them to break and have to replace the entire manifold. I have been wanted to do more upgrades and a tune and now is the perfect time. Im between getting a voodoo intake manifold or a ported 2018 GT manifold but i don't know which would be best for more power. I'm getting the 350 87mm throttle body as well and some bbk long tube headers. I will be using lund racing as my tuner. Please help with which intake manifold is best and any other power upgrades recommended that don't break the bank, im mostly new to this so i might be going wrong with some things. Thanks.

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[Howitzer]

Ported 18 should get you more low-end torque but the gt350 intake will eventually make more power if you're revving out past 7500rpm. There's lots of info about that debate around here.

Personally I'd go with whatever your tuner recommends and can tune properly for. Most also do not see any advantages with the larger throttle body. But again, I'd go with what the tuner recommends. I reached out to a few tuners when I was doing this and they all recommended a ported 18 with my setup, or if I was doing cams, opg/cs then go for a cobrajet manifold.