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TANDLAUTO
11-05-2009, 02:39 PM
I am looking for a diagram or some way to know the firing order for this car. Any help would be greatly appreciated. Thanks!
401nailhead65
11-05-2009, 03:16 PM
Iam going to assume that this car has a 401 in it. if so the firing ourder should either be on the intake or one of the valve covers. when i get home ill look on my car and get back to you
Bad Boattail
11-05-2009, 03:32 PM
Remember that cylinder #1 on a Nailhead engine is on the passenger side (LHD car) of the engine:


Front of car

2 o-----o 1

4 o-----o 3

6 o-----o 5

8 o-----o 7


Firing order = 1 - 2 - 7 - 8 - 4 - 5 - 6 - 3
Rivman
11-05-2009, 05:26 PM
. . . usually cast/raised numbers on the top of the intake manifold ! :TU:
SpecialWagon65
11-05-2009, 05:30 PM
. . . usually cast/raised numbers on the top of the intake manifold ! :TU:

not on the old nailheads, they were stamped into the valve covers...

bad if one has the finned aluminum ones

ask me how I know:spank:

and # 1 is on the PASSENGER SIDE! front!
Sergeant Major
11-05-2009, 08:25 PM
More information for you here:


http://buicks.net/years/63/63tech.html

and even more:

http://www.teambuick.com/reference/years/63.shtml