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Re: MC2203 Camshaft
I broke my cam in on SAE30 with a pint of STP oil treatment added. Fired it up and ran it between 1500 and 2500 varying the RPM for about 20 minutes. Drove the truck home after that, about 7 miles and drained the oil. Put SAE30 back in with a pint of STP oil treatment again. No issues. Now on the third oil change after about 500 miles and it has 10W30 with no additives and it is fine. My engine is a 402 with a Sealed Power (Speed-Pro) mild hydraulic cam and lifters and I used Perfect Circle (Mahle) plasma moly rings. I also used Mahle Cam Guard assembly lube.
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70 C/10 SWB 402/TH400/3.73 "The Needy Beast"
200,000 Mile Club
Disc Brake Club
Owner installed options:
Front Sway Bar
Power Steering
Power Brakes
Cigar Lighter
Courtesy Lights
Deluxe Side Markers
Wiper Delay
Power windows
Power Locks
Sniper EFI
2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear
Last edited by 70STOVEBOLT; 04-09-2021 at 10:47 AM.
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