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Old 09-22-2010, 08:09 AM   #1
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1984 34.5' Airstream 345
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454 engine timing

My 345 Classic has a 454 engine. There is a flat piece of metal with timing degrees on it that match a timing mark on the crankshaft.

However, I removed the distributor and turned the engine. Now I need to time it. Should it be timed on #1, #8, or #5?

Need experienced advice on timing this beast.


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Old 09-22-2010, 08:25 AM   #2
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Hi Joe, This is a good thread to look through.

I believe you set the timing off #1.


1973 F-250 4X4 390
1965 Chevy Suburban 454
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Old 09-22-2010, 09:36 AM   #3
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Originally Posted by joe gooch View Post
My 345 Classic has a 454 engine. Should it be timed on #1, #8, or #5?
Easier to use the timing mark on the bottom...
Either #8 or #5 can be used (on the bottom timing mark). I have found that #5 is easier for me.

See this thread:

"Suck it up, spend the bucks, do it right the first time."

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Old 09-22-2010, 11:17 AM   #4
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If you have an AC or something else hanging down over the #1 plug,it would easier to use #5,just bring it up to TDC [top dead center],on compression stroke,drop in your dist.,and line the rotor with # 5 plug,snug it down,and it should start.Then you can use a light to get it perfect and then tighten it down. Dave
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