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Author Topic: Engine block cylinder numbering . Checking my sanity  (Read 617 times)
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Senior Member
Posts: 170

« on: 07 September, 2023, 03:12:28 PM »

My manual says cylinder numbering on the block is:
Looking from the fan: Left  2 - 4 - 6.  Right 1 - 3 - 5

However my engine numbering is:
Looking from the fan: Left  6 - 2 - 4.  Right is the same as the manual.

The manual says firing order is 1-4-3-6-5-2

My question is should my firing order change to 1-2-3-4-5-6 to accomodate the different cylinder numbering on my block compared to my manual. I know this can't be right but I just need it confirmed as I'm going mad trying to work out why my left bank of 3 cylinders isn't firing properly, if at all.
Richard Fridd
Permanent resident
Posts: 3463

« Reply #1 on: 07 September, 2023, 03:22:39 PM »

The stampings refer to the cylinder numbers not the firing order. 1 at the front and 6 at the rear of the engine. Don't change the plug leads from how they were when things were working properly.


Richard Nevison Fridd                                                                      Happy Lancia, Happy Life
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