get them and try them and report the findings, latley my engine has just been a test dummy
, i proved it would hold 4500 rpm crazy timing and my ip is pretty much maxxed completely out, and it still starts up and runs like a brand new one, as soon as i turn the switch it fires today it was 30 degrees i heated my glowplugs 12 second( AC delco 8G's) it had been setting for 8 hhours without running and it fired off like it had just been cut off, even after all my Abuse