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Gary, Australia Car Mechanic
Category: Australia Car
Satisfied Customers: 1115
Experience:  Senior Technician
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Holden Torana: I have a 355 EFI Holden engine think I may have

Customer Question

I have a 355 EFI Holden engine think I may have switched 5 and 7 around engine seems lazy and the two plus on these cylinders running different to other six!!!
Q1- Would it affect the firing of the engine?
Q2- Would it hurt the engine?
Q3- Would it hurt to swap them over?
My mate helped me put this in the Torry, is a FIFO worker and new baby, Im still getting my head around it but love injection I on the right track to swap??
Thanks for the help, motor is blown so I don't want to hurt it??? Cheers Gavin
Submitted: 2 years ago.
Category: Australia Car
Expert:  Gary replied 2 years ago.
Hi there,If you think have swapped them by accident, then you to check the firing order.Yes, it will hurt the engine.Find number 1 on the cap, clockwise from there.The firing order is 12784563.I work for Holden, have been around Holden a long time.Need further assistance, just ask.Gary
Expert:  Gary replied 2 years ago.
Hi Gavin,Have you had success with your engine problem?Gary