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#1
12-29-2025, 05:58 PM
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MAT/IAT Placement Terminator X
I'm installing a Terminator X in my Firebird and wanted to get your opinion on where to place the MAT sensor.
I'm going to run a 90* at the manifold and a 102mm LS style throttle body. I know that in front of the TB would be best, but I don't have that option until I set up a cold air system. I'm thinking in the back of the 90, a couple of inches above where it bolts to the intake (firewall side). What do you think? 
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No! Do not try! Do! Or do not. There is no try. - Yoda 1967 Firebird Restoration 2005 - 1/25/2017 
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#2
12-30-2025, 04:48 AM
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That's where I welded a bung on my adapter and put my air temp sensor. Just note that it'll be subject to heat soak but you can account for that in the tune using air temp corrections.
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'71 Holden HQ Monaro - 3850lbs race weight, 400c/i - 11.4 @ 120 '66 Pontiac GTO - 389, 4 speed street cruiser |
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#3
12-30-2025, 03:35 PM
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Mine is in the back of my intake elbow. It’s next to the remote IAC.
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James 1970 Trans Am Spotts Built 484" IA2, Highports, EFI Northwind, E85 Holley Terminator X sequential EFI fabrication and suspension by https://www.funkhouserracecars.com/ |
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#4
02-02-2026, 02:18 PM
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I did mine on the front, bottom of my elbow, but really, it can go just about anywhere.
IMO closer to the intake it is the better, but that's just my way of thinking, I have no tech info to support that. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
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