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Firing Order for 87

A little confused by the description in Waynes book so I just want to confirm the firing order

1-6-2-4-3-5 on an 87 3.3 turbo,
(note the book says its different for various years)

and the distributer therefore moves counter clockwise?

thanks in advance
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Old 06-07-2004, 08:22 AM
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I thought the firing order was the same for all years?
The distributor turns "backwards" (CCW) on an SC compared to all the other motors.
-Chris
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Old 06-07-2004, 08:51 AM
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The distributors turn Counter Clock Wise for 911SCs 78 to 83 and 930 3.3 turbo from 78 to 89.
The firing order is the same for all 911 based engines.
1-6-2-4-3-5
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Old 06-07-2004, 11:47 AM
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Thanks for the clarification Henry.
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Old 06-07-2004, 12:21 PM
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Right - firing order is the same, distributor turns, and is wired, backwards...

-Wayne
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Old 06-07-2004, 05:25 PM
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Quote:
Originally posted by Wayne at Pelican Parts
Right - firing order is the same, distributor turns, and is wired, backwards...

-Wayne

What does Wayne mean by 'wired backwards?'
Old 06-11-2004, 04:29 PM
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Quote:
Originally posted by cab83_750
What does Wayne mean by 'wired backwards?'

Well, the firing order is 1-6-2-4-3-5. Cylinder number one will always be the one nearest the notch, and cylinder number 4 will always be 180 degrees oposite from it.

However, one will go 1-6-2-4-3-5 and other will go 1-5-3-4-2-6. Clockwise vs. counter-clockwise, or backwards.

I explain this on page 190.

-Wayne
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Old 06-11-2004, 04:34 PM
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Thanks Wayne. I'll check my book.
Old 06-11-2004, 04:43 PM
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NO, it will stil go 1-6-2-4-3-5 as the spark plug wires are installed in that position, any other firing order would require new cams.
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Old 06-11-2004, 05:52 PM
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You guys are both right, just not very clear. I'll give it a try.
On 78-83 911 SCs & 78-89 930 the ditr. turns counter clock wise (ccw). This means you start at the number one plug wire, generally marked on the dist. with a small line and go ccw 1-6-2-4-3-5.
On all other Porsche 911 dist. you start at the number one plug and go clock wise 1-6-2-4-3-5.
I hope this clears things up.
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Last edited by Henry Schmidt; 06-11-2004 at 08:23 PM..
Old 06-11-2004, 08:21 PM
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Quote:
Originally posted by Wayne at Pelican Parts
See the book - a picture is worth a thousand words...

-Wayne
Sorry Wayne I don't have THE book.
I guess I'll have to use my experience and hope for the best.
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Old 06-12-2004, 03:50 AM
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ouch!
Old 07-01-2012, 11:31 AM
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Counter clockwise, clockwise,,

im working out firing on a 1977 930, with the above info does this mean that a 77 is clockwise from number one??

can of worms here
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Old 05-07-2013, 04:38 AM
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Quote:
Originally Posted by Henry Schmidt View Post
The distributors turn Counter Clock Wise for 911SCs 78 to 83 and 930 3.3 turbo from 78 to 89.
The firing order is the same for all 911 based engines.
1-6-2-4-3-5
100% correct!

BTW for this reason all camshafts can be used in principle for each engine...
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Last edited by proffighter; 05-07-2013 at 01:57 PM..
Old 05-07-2013, 01:54 PM
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Robbbyg,

Just turn the engine over by hand and see which way the rotor turns.

-Andy
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Old 05-07-2013, 02:14 PM
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A 77 930 turns clockwise
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Old 05-07-2013, 02:51 PM
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Anyone know why they did this? CW for some CCW for others? I only ask because I'm a collector of random facts
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Old 05-08-2013, 07:27 PM
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