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oldman · 02-23-2023, 02:13 AM

apr studs of course, I have a big issue with their torque using their torque grease, I think I'm at 10 or even 15 ft-lbs less then what apr calls for, I did all the calculations 5 years ago, apr is just too tight say from memory 105 and I did 90 and I think the LS1 with thinner bolts was 70 or 65, anyway I like the stud but their spec is for maybe a race car engine and I felt it was too much on to my mind a relatively shallow threaded area. I don't know what others have done, it has been years and no leaks, blowouts etc.

02-23-2023, 02:13 AM	#11
oldman Drives: SS 6 speed of course Join Date: Jan 2016 Location: Hilo, HI Posts: 4,346	apr studs of course, I have a big issue with their torque using their torque grease, I think I'm at 10 or even 15 ft-lbs less then what apr calls for, I did all the calculations 5 years ago, apr is just too tight say from memory 105 and I did 90 and I think the LS1 with thinner bolts was 70 or 65, anyway I like the stud but their spec is for maybe a race car engine and I felt it was too much on to my mind a relatively shallow threaded area. I don't know what others have done, it has been years and no leaks, blowouts etc. __________________ Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.