1-2-3-4-5-6
A 1990 LS400 has 250 horsepower as rated by the factory.
1-8-4-3-6-5-7-2 is the firing order
153624
1-3-7-2-6-5-4-8 13726548 counter clock wise
the order is : 15426378
35726184
Firing order is: 1-5-3-6-2-4 Distributor rotation: clockwise
see above post for years and order
The 2012 Lexus IS-250 has a V6 engine.
The 2014 Lexus IS-250 has a V6 engine.
The 2008 Lexus IS-250 has 24 valves.
The 2009 Lexus IS-250 has a V6 engine.