07-30-2021, 06:12 PM | #1 |
Drives: 2010 SS L99 Join Date: Sep 2018
Location: Missouri
Posts: 1,634
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PAC 1222X springs
Is anyone else using these? I just got them after 2 1/2 months backordered and am anxious to get them in. Just hit 20k miles on the .660 BTR springs on an SS4 cam. This set is exactly what GPI recommended but I was just curious and wanted to see if anyone is/has ran them.
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Previous PB:11.079 @ 122.99mph.. New setup time: TBD
The 11.079 pass: https://youtu.be/pz27Zq54t_E Build thread - www.camaro5.com/forums/showthread.php?t=555371 |
07-31-2021, 01:31 AM | #2 |
Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020
Location: Austin, TX
Posts: 2,105
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I'm using those springs in my engine with the SS1 Cam. So far so good with like 7k miles on them. My lifters are pretty noisy though but I don't think it has anything to do with the springs. I think that it's just the lifters there self (gm performance lifters).
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DSS FX Forged Pistons, Eagle ESP L19 Forged Rods, ARP Head and Main Studs, TSP PRC 260 CNC Ported Heads milled .030, Cometic .040 Head Gaskets, GPI SS3 VVT Camshaft, GM Performance Racing Lifters, CHE Trunnions , Molly Pushrods, Melling 10355HV Oil Pump, Cold Air Inductions CAI, Fast LSXR Intake Manifold, Nick Williams 103 TB, TSP 1 7/8" Longtubes with 3" TSP Exhaust, ZL1 Fuel Pump, Mishimoto Radiator, Mishimoto Oil Cooler, Tru Cool 40k Tranny Cooler, 3600 Circle D Converter, Fluid Dynamics Balancer
Build Thread https://www.camaro5.com/forums/showthread.php?t=609817 |
07-31-2021, 05:59 AM | #3 |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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Do you think you can get more than 20k miles outta them?
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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07-31-2021, 06:02 AM | #4 |
Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020
Location: Austin, TX
Posts: 2,105
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I'm not sure about that. I would call TSP and ask them cause that's where I bought mine.
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DSS FX Forged Pistons, Eagle ESP L19 Forged Rods, ARP Head and Main Studs, TSP PRC 260 CNC Ported Heads milled .030, Cometic .040 Head Gaskets, GPI SS3 VVT Camshaft, GM Performance Racing Lifters, CHE Trunnions , Molly Pushrods, Melling 10355HV Oil Pump, Cold Air Inductions CAI, Fast LSXR Intake Manifold, Nick Williams 103 TB, TSP 1 7/8" Longtubes with 3" TSP Exhaust, ZL1 Fuel Pump, Mishimoto Radiator, Mishimoto Oil Cooler, Tru Cool 40k Tranny Cooler, 3600 Circle D Converter, Fluid Dynamics Balancer
Build Thread https://www.camaro5.com/forums/showthread.php?t=609817 |
08-12-2021, 04:08 PM | #5 | |
Drives: 2013 SS Join Date: May 2013
Location: DFW
Posts: 4,102
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Quote:
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08-12-2021, 05:44 PM | #6 |
Drives: 2010 SS L99 Join Date: Sep 2018
Location: Missouri
Posts: 1,634
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Hey Martin, I am still using the GM performance lifters that GPI installed.
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Previous PB:11.079 @ 122.99mph.. New setup time: TBD
The 11.079 pass: https://youtu.be/pz27Zq54t_E Build thread - www.camaro5.com/forums/showthread.php?t=555371 |
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