MSD Atomic Airforce Intake.
Thread Starter
Intermediate
Joined: Oct 2020
Posts: 39
Likes: 0
MSD Atomic Airforce Intake.
Looking to get the most out of my N/A LT1 so I was considering adding the MSD intake with an AFE CAI and possibly a bigger throttle body. (Most likely a solar).
My current 2018 Z51 build has a stage 2 custom grind Camshaft, E85 and Kooks Longtube headers. Will even benefit from a bigger throttle body over stock? In the near future I also plan on upgrading my cylinder heads.
My current 2018 Z51 build has a stage 2 custom grind Camshaft, E85 and Kooks Longtube headers. Will even benefit from a bigger throttle body over stock? In the near future I also plan on upgrading my cylinder heads.
Melting Slicks
Joined: Oct 2009
Posts: 2,560
Likes: 485
From: Moberly, Mo
Do you plan on doing a ported MSD, you get the most power out of that to match up with the Cam and being ported it will make more power in the upper rpm range where the stock IM or even the stock MSD won't. You'll have to get an adapter with the 95mm Lt5 since the bolt pattern is different. You might even consider just porting you 87.
Last edited by 99vetteran; Feb 5, 2021 at 09:41 AM.
Burning Brakes
Joined: Oct 2017
Posts: 1,230
Likes: 467
From: Colorado
I'm similar. 100% NA, heads/cam, e85, lt headers, Soler LT5, header-back custom 3" exhaust. I'm not convinced of a ported intake -right now-. If/when I boost or nitrous, I might go back to the ported intake. Right now, NA, I don't think it's gonna accomplish anything. Positive pressure boost? Probably.
Advanced
Joined: Jan 2020
Posts: 52
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I'm similar. 100% NA, heads/cam, e85, lt headers, Soler LT5, header-back custom 3" exhaust. I'm not convinced of a ported intake -right now-. If/when I boost or nitrous, I might go back to the ported intake. Right now, NA, I don't think it's gonna accomplish anything. Positive pressure boost? Probably.
To the OP I'd get the intake ported and go with a bigger ported TB. Katech sells a great adapter for the LT5. Get a 95mm or 103mm
Burning Brakes
Joined: Oct 2017
Posts: 1,230
Likes: 467
From: Colorado
Don't get me wrong - I actually like the MSD intake as a dress-up to the engine bay.
Advanced
Joined: Jan 2020
Posts: 52
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Is that NA or on a boosted application? Regardless, a "ported" MSD is different than a stock MSD; a stock MSD v stock intake is what we're discussing correct? So, not only does one have to pay the $1k+ for the MSD, they have to go to their speed shop (or Pray) and have it ported for minor (<15hp) HP gains overall? I think the better money is spent on some new heads, upgraded HPFP, upgraded fuel rails, injectors. Then boost and port your stock intake ... or the MSD I guess ... and a real dyno tune.
Don't get me wrong - I actually like the MSD intake as a dress-up to the engine bay.
Don't get me wrong - I actually like the MSD intake as a dress-up to the engine bay.
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Le Mans Master
Joined: Mar 2010
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From: DFW TX
I'm similar. 100% NA, heads/cam, e85, lt headers, Soler LT5, header-back custom 3" exhaust. I'm not convinced of a ported intake -right now-. If/when I boost or nitrous, I might go back to the ported intake. Right now, NA, I don't think it's gonna accomplish anything. Positive pressure boost? Probably.
Last edited by C7&7; Feb 5, 2021 at 01:42 PM.
Premium Supporting Vendor
Joined: Sep 2017
Posts: 1,457
Likes: 656
From: DFW Texas
You thinking is backwards. You're going to see far more of a gain in a NA build with a ported intake manifold than you will a boosted application. In a boosted application it's just not work the money to change because you're supplying the pressure. It's way more cost effective to just change a pulley than slap an expensive intake manifold on.
Burning Brakes
Joined: Oct 2017
Posts: 1,230
Likes: 467
From: Colorado
Yeah. OK, I'll go with it. You guys are the pros. I'm def piecing mine together over years, not at one time. Port your MSD though @rickster1823 ! If one is only building NA (or Nitrous), I can see it now, TY.
I'm just gonna port my OEM and build to support decent boost (incl forged connecting rods/pistons, rings, crank -- much later) along with the fuel upgrades that I can do now.
I'm just gonna port my OEM and build to support decent boost (incl forged connecting rods/pistons, rings, crank -- much later) along with the fuel upgrades that I can do now.
Thread Starter
Intermediate
Joined: Oct 2020
Posts: 39
Likes: 0
Yeah. OK, I'll go with it. You guys are the pros. I'm def piecing mine together over years, not at one time. Port your MSD though @rickster1823 ! If one is only building NA (or Nitrous), I can see it now, TY.
I'm just gonna port my OEM and build to support decent boost (incl forged connecting rods/pistons, rings, crank -- much later) along with the fuel upgrades that I can do now.
I'm just gonna port my OEM and build to support decent boost (incl forged connecting rods/pistons, rings, crank -- much later) along with the fuel upgrades that I can do now.
thanks for the feedback. I will most definitely do so!