![]() For beginners I recommend writing down the firing order, 153624, thusly: Taken from the web page.Īdjusting the valves on a SIX is EASY. It makes for less mistakes and is straightforward and fast. Here is how I coach newbies to adjust valves on an inline six. To me this method is way easier than trying to get every piston at TDC or chasing valves positions. The white line is the advanced timing line.įrom what I’ve read it how straight 6 Diesel engines are done. Hudson called it UDC or upper dead center, which you can see lined up in the photo. The flywheel has a mark for TDC so it’s very easy to find it for #1 piston. Then with #6 piston at TDC of compression stroke, I can adjust intake valves 5, 9, 11 & exhaust valves 3, 7, 12. I was told with #1 piston at TDC of compression stroke, I can adjust intake valves 2, 4, 8 & exhaust valves 1, 6, 10. I’ve only had one person recommended adjusting the valves this way, so is it truly possible to do this method below? ![]() Changes from the stock engine which may or may not play a role: compression up to 8.5 from 6.25:1, new modern alloy valves with new iron guides, and running 91 octane no ethanol gas.Ģ) The firing order is 153624 on the straight 6 engine. ![]() I have seen anywhere from 2 to 4 thousand added on both intake & exhaust. Thus how much more gap should I add since it’s cold?įactory specs hot were Intake 0.006 & Exhaust 0.008. I have a couple questions pertaining to this process.ġ) I will be adjusting valves with the engine cold however factory specs are for a hot engine adjustment. On my 37 Hudson straight 6 212ci splasher Engine I need to adjust the valves. ![]()
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