07-22-2023, 09:02 PM | #1 |
Drives: 23 Camaro 2.0L & 17 Chevy SS 6.2L Join Date: Jul 2023
Location: FL
Posts: 1
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23 LTG Camaro Automatic Trans Upper power limit
I'm planning on doing some basic bolt ons and a tune on my 2023 automatic 1LT Camaro 4cyl. I've been scouring spec sheets and forums but I'm unsure where my limits are still. I believe the transmission in my car is the 8L45, which I'm more worried about taking power than the engine. The only number I've been able to find from Chevy on this transmission is 308 crank hp but I'm not sure how accurate that is. Those who know a lot about this transmission or have modded their auto 4cyl Camaros what are your results? How much power can this car take?
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07-22-2023, 09:56 PM | #2 |
Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017
Location: East Tennessee
Posts: 12,002
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GM's transmission designation convention calls for the number of forward gears, followed by a single letter indicating the mounting direction (longitudinal [L] or transverse [T]), then, most importantly to you, the maximum torque rating in Newton-meters.
This does not mean the transmission can't take more, for example, the 8L90 that I have was used in four digit horsepower builds exceeding 800 lb-ft of max torque, but this is for people okay with pushing their luck. Here is a makeshift table with 6th gen Camaro automatic transmissions, I marked yours up in bold. Hope all this helps a bit. Trans..Fwd gears..Max torque 8L45....8.........450 Nm / 332 lb-ft 8L90....8.........900 Nm / 664 lb-ft 10L60..10.........600 Nm / 442 lb-ft 10L80..10.........800 Nm / 590 lb-ft 10L90..10.........900 Nm / 664 lb-ft
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle terminator cam | LT4 FS & injectors | TSP forged pistons & rods JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune 1100 - 1/30/18 | 2000 - 1/31/18 3000 - 2/06/18 TPW 2/26/18 3400 - 2/19/18 | 3800 - 2/26/18 4300 - 2/27/18 | 4B00 - 3/01/18 4200 - 3/05/18 | 4800 - 3/14/18 5000 - 3/16/18 | 6000 - 3/19/18 |
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