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09-25-2024, 10:33 PM
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#1 |
 
Drives: 2017 FIFTY 2SS HCI Join Date: Feb 2022
Location: CT
Posts: 72
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Should I port my intake manifold?
I have a lt2 intake manifold atm non ported but I am running ported frankesnteined heads and the stock throttle body. Do I need to port the IM? And do I need to go up to a 95mm throttle body to take advantage of the ported heads? I also only have a cold air induction CAI so not sure if that's all a bottle neck.
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*STG 1.5 Frankenstein ported/milled heads(.025),
*Custom Cam Motion Cam (224,242[.647/.639]) 1 7/8 headers, Ported LT 2 Manifold, Solar Ported 95mm TB, Cold Air Induction CAI, CHE Valve seats, Inconel EX valves, FED/PAC .700 dual springs, VVT Delete, CHE Trunnions, Caddy R Lifters, 3 In Midpipe, NPP Borla atak mufflers, GPI tune. |
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09-26-2024, 12:51 PM
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#2 |
 Drives: 2022 SS 1LE Join Date: Aug 2023
Location: Dallas, TX
Posts: 156
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I'm not an expert, but my personal opinion is that you're only getting as much flow as the most restrictive component of your system. To me, TB and intake go hand in hand. I did a 95mm and intake at the same time. That would be my next step if I was in your situation.
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09-26-2024, 01:48 PM
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#3 |
 Drives: 2019 Camaro 1SS1LE Join Date: Jan 2024
Location: Utah
Posts: 370
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Depends on your power goals and budget. If you're going for max effort, you want as much air in and out of the engine as you can, and the cam & heads to pump it. In terms of capacity, the LT2 is the middle of the road, even ported. A 95mm TB would match up well with a port matched LT2. Everything works in concert, and with NA it's critical the entire build accounts for each part or you end up chasing bottle necks.
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2019 1SS1LE M6 Shadow Gray Metallic
ProCharger D1X Race Kit - 4.25" Pulley || GPI Pistons/Rods - ACL Bearings - ARP Hardware || LME Timing Chain Guide || Katech C5R Timing Chain || Katech OE Spec Billet Oil Pump || OE Ported Heads || CHE Trunnion Upgrade || BTR 220 Cam - BTR .660" Dual Springs - GM Racing "Caddy" Lifters - BTR 3/8" Pushrods (7.825") || ATI Balancer || LT4 Injectors || LT4 HPFP || JMS BAP || DSX Flex Fuel || LT2 Intake Manifold || LTH (Catless) || Stainless Works Redline Series NPP || 91 + 8oz Boostane 7/26/2024 Tuning in progress |
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09-26-2024, 05:20 PM
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#4 | |
 
Drives: 2015 Corvette Stingray Join Date: May 2019
Location: Alabama
Posts: 444
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09-30-2024, 03:52 PM
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#5 |
 
Drives: Blown C7 and 6th gen Join Date: Aug 2012
Location: NorCal
Posts: 507
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Yep hit up the boys at Soler. Mike sent me a LT5 ported tb for my Maggie Camaro, and then Ported the LT2 tb off my C8 and sent it out to Socal Porting which port matched my LT2 intake to the TB Soler did. I couldnt be happier. Hell I have a ported TB in my C7 as well from Mike. I am an ambassador. LOL
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14 Corvette Z51 Coupe - 655RWHP
A&A Ti Blower, Alky Control Meth kit, Kooks LT setup, Corsa Catback, Full APR CF kit, RK Sports CF hood, hell CF everything LOL 17 Camaro 2SS 50th edition. TOTALED 6/2019  K&N Intake, MRBP axleback, Eibach kit, 20" Z28 wheels, smoked lights all the way around, Rockford Fosgate system 17 Camaro 2SS 50th edition. Round 2- 8/2019 550/600 RWHP, Magnuson TVS2300, Rotofab Intake, Corsa Xtreme, Air Lift P3 System, 20" Stance SF-07, smoked lights all the way around, Rockford Fosgate system. |
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10-02-2024, 08:45 AM
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#6 |
Drives: 23 2SS 1LE Join Date: Feb 2019
Location: GA
Posts: 624
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I also have the LT2 IM with 95mm TB. The LT2s biggest restriction is in the snout, and can be opened up some to help take advantage of the 95mm TB, but real world difference is negligible. I paid for the SMG stage 3 porting but unless you are going for a max effort build, or chasing every last horsepower, its not really worth the money.
If you can port it yourself, or have it done from a reputable shop for cheap, then go for it. Otherwise, don't sweat it.
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Instagram: RideWithDanger
Current Mods: Rotofab, Ported LT2 intake, LT5 TB, Kooks Headers, AWE Touring Catback Radiant Red 23' 2SS 1LE 1100: 11/14/22 | BUILT: 3/16/23 2000: 2/17/23 | 4200: 5/8/23 3000: 2/27/23 | 5000/6000: 5/15/23 |
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10-02-2024, 10:15 AM
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#7 |
          
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 7,561
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^Agree...leave at is. Next stage would be an MSD with 103 if you don't want to mess with the hood for a hi-ram.
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 2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel |
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10-02-2024, 04:40 PM
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#8 | |
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Drives: 21 SS Join Date: Oct 2017
Location: Dallas
Posts: 367
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FBO, E85
11.1@123  |
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10-02-2024, 08:10 PM
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#9 | |
Drives: Nickey Super Camaro Join Date: Nov 2008
Location: Loves Park, Illinois
Posts: 1,686
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I have a ported MSD and 103 nw ready to go. Will sell seperate : ) |
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02-21-2025, 02:21 PM
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#10 | |
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Drives: 2017 FIFTY 2SS HCI Join Date: Feb 2022
Location: CT
Posts: 72
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Quote:
__________________
*STG 1.5 Frankenstein ported/milled heads(.025),
*Custom Cam Motion Cam (224,242[.647/.639]) 1 7/8 headers, Ported LT 2 Manifold, Solar Ported 95mm TB, Cold Air Induction CAI, CHE Valve seats, Inconel EX valves, FED/PAC .700 dual springs, VVT Delete, CHE Trunnions, Caddy R Lifters, 3 In Midpipe, NPP Borla atak mufflers, GPI tune. |
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02-21-2025, 02:22 PM
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#11 | |
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Drives: 2017 FIFTY 2SS HCI Join Date: Feb 2022
Location: CT
Posts: 72
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Quote:
__________________
*STG 1.5 Frankenstein ported/milled heads(.025),
*Custom Cam Motion Cam (224,242[.647/.639]) 1 7/8 headers, Ported LT 2 Manifold, Solar Ported 95mm TB, Cold Air Induction CAI, CHE Valve seats, Inconel EX valves, FED/PAC .700 dual springs, VVT Delete, CHE Trunnions, Caddy R Lifters, 3 In Midpipe, NPP Borla atak mufflers, GPI tune. |
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02-21-2025, 02:55 PM
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#12 | |
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Drives: Blown C7 and 6th gen Join Date: Aug 2012
Location: NorCal
Posts: 507
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I am not removing my Maggie for a MSD. LOL I actually had a MSD for the C7 but once I went to solid motor mounts I found out it wouldnt clear. I made about 900HP with a ported LT1 intake so I am going to say for big HP cars porting does help.
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02-22-2025, 12:05 AM
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#13 | |
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Drives: 2017 FIFTY 2SS HCI Join Date: Feb 2022
Location: CT
Posts: 72
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Quote:
__________________
*STG 1.5 Frankenstein ported/milled heads(.025),
*Custom Cam Motion Cam (224,242[.647/.639]) 1 7/8 headers, Ported LT 2 Manifold, Solar Ported 95mm TB, Cold Air Induction CAI, CHE Valve seats, Inconel EX valves, FED/PAC .700 dual springs, VVT Delete, CHE Trunnions, Caddy R Lifters, 3 In Midpipe, NPP Borla atak mufflers, GPI tune. |
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02-22-2025, 08:17 AM
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#14 |
 
Drives: 2018 Camaro SS A8 "Dark Knight" Join Date: Oct 2019
Location: MICHIGAN
Posts: 258
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I'M running MSD and 95mm throttle body and E85 running 11.37 in the quarter mile. nice N/A setup. 103MM and MSD might wake up your setup!
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DARK KNIGHT
2018 SS A8 11.37 @ 121.01 GPI Tuned E85 Nitto tires Roto Fab CAI MSD intake |
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