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morepowerjoe · 07-18-2021, 03:19 AM

I changed my oil pump 3 times because of low idle pressure. First with the M365 then with the M10295. And both did nothing for idle pressure. Even the 10295 didn't increase the pressure all that much. So then I got the M10355HV and wow what a great pump. I went from 15 psi at idle when hot in gear to 30 psi. I also installed the high pressure spring in it also and now anything over like 1200 rpm I have over 50 psi. I also plugged the oil bypass relief valve in the pan. So I would strongly recommend the Melling 10355HV.

07-18-2021, 03:19 AM	#2
morepowerjoe Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020 Location: Austin, TX Posts: 2,131	I changed my oil pump 3 times because of low idle pressure. First with the M365 then with the M10295. And both did nothing for idle pressure. Even the 10295 didn't increase the pressure all that much. So then I got the M10355HV and wow what a great pump. I went from 15 psi at idle when hot in gear to 30 psi. I also installed the high pressure spring in it also and now anything over like 1200 rpm I have over 50 psi. I also plugged the oil bypass relief valve in the pan. So I would strongly recommend the Melling 10355HV. __________________ 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