Question about 1990 Chevrolet Suburban

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Firing order for the longest time i been tinking that my motor in my truck was a 350.Becaues i seen vortex heads but when i brook the motor apart ,i seen that the number i cyclender and number 8 was at top dead center.

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firing order - 85904f6.gif HERE is your firing order. this truck did not come with vortec heads so either engine or heads ahve been swapped.

Posted on Jan 21, 2009

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All chevy engines including dodge have the same fireing order 1-8-4-3-6-5-7-2 and dist cap rotates clockwise ford rotates couter clockwise and has a different order 1-5-4-2-6-3-7-8 the reason you see #1 and #8 pistons at TDC is that one is on its exaust stroke and one is on compression stroke. hope this helps FORDMOTORHEAD

Posted on Apr 19, 2009

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