with a compression gauge.If the engine is building pressure as it goes up, it is the compression stroke.Another way is to put your finger in the spark plug hole and when it gets blown out, it is in the compression stroke.
1998 Nissan Frontier XE/2wd/5spd 1 owner, 264k miles
1985 Olds Cutlass, 350 Chevy, owned for 14 years
WANTED: 1968-1973 Datsun 510 or 1991-1994 Sentra SE-R http://www.myspace.com/junkyardengineer
If you have yet to install the head, then go by the distributor to to determine when it is coming around to No. 1. If you have the distrib out as well, then there is no difference. As long as the No. 1 piston is up, you will adjust everything else accordingly as it is installed. Good Luck and Post Pics!!!
95 2WD Nissan PU E
2002 Oldsmobile Intrigue GX
"The hard part about playing chicken is knowing when to flinch" Scott Glenn in The Hunt for Red October
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