Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

351 Cleveland timing marks on HB line up with my #5?????

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Old 09-15-2013, 10:17 PM
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Sparkiewalt
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Default 351 Cleveland timing marks on HB line up with my #5?????

When I went to check the timing on my 1973 Grande 351 2V, I could not see the marks on my harmonic balancer as it passed the pointer, so I connected the timing light to the #5 cylinder and it lined up perfectly. I just replaced the timing chain and camshaft. I know that I installed the parts correctly. The engine cranks and runs perfectly. Is it possible I have the wrong HB on this motor?? any ideas why it is like this???

Last edited by Sparkiewalt; 09-15-2013 at 10:21 PM.
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Old 09-15-2013, 10:54 PM
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TexasAxMan
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I don't know the answer, sorry.

My first thought was that you were a GM guy, 'cause #1 on a GM is #5 on a Ford. It's funny that the firing order is the same if you convert the cylinder #'s...
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Old 09-16-2013, 07:42 AM
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Sparkiewalt
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well you are correct that I have been a GM guy with my hot rods. (Ford Trucks Rule) I got a 67 GTO. But this Mustang is for my son and I did check the firing order and ford starts at front passengers side and goes back to the firewall then crosses over making the #5 the front drivers side plug. I figure this has to be the wrong Harmonic balancer, but If I hook up to the #5 I can time it perfectly.
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