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73-87 Chevy _ GMC Trucks
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Timing
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Topic: Timing (Read 7486 times)
VileZambonie
Global Moderator
Senior Member
Posts: 19181
Re: Timing
«
Reply #15 on:
January 12, 2008, 08:59:32 pm »
What is it at when you check it? You need to check your advance at like 2500 rpm. Don't worry about base timing right now. total timing then compare it to base. If you have correct total timing your advance is sticking.
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74 GMC
,
75 K5
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84 GMC
,
85 K20
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86 k20
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79 K10
greenmonster
Registered Users
Posts: 193
Re: Timing
«
Reply #16 on:
January 12, 2008, 09:07:11 pm »
I don't know. The mark on the crank is to far away from the timing marks.If I had to guess judging by distance I would say about 50 degrees advanced at idle.The advance in the dist. moves freely.
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VileZambonie
Global Moderator
Senior Member
Posts: 19181
Re: Timing
«
Reply #17 on:
January 12, 2008, 09:12:52 pm »
If you don't want to buy an advance timing light your other alternative is timing tape.
http://store.summitracing.com/partdetail.asp?part=SUM%2D162591&autoview=sku
Without accurate numbers we really can't help you determine if in fact there is a problem. If it runs good where it's at do the old street tune and advance it til it pings when you womp on it and retard it til it doesn't ping. lock it down there as a baseline and see if it restarts hot ok. If it hard starts retard it til it starts easy and leave it there.
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/ _ _ _\_
⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
greenmonster
Registered Users
Posts: 193
Re: Timing
«
Reply #18 on:
January 12, 2008, 09:17:21 pm »
I would like to buy a timing light but I don't have the money right now.It runs fine now so I won't fool with it until I get the light. Thanks for your time.
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73-87chevytrucks.com
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73-87 Chevy _ GMC Trucks
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Engine/Drivetrain
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Timing