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Old 05-02-2007, 07:29 PM   #1
truckdude239
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ignition timing ?

okay i am putting my 305 back together i got a new hei distbator for it what should i set the timing for an hei at?
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1971 Chevy c-10 under going a 4.8l LSx swap

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Old 05-02-2007, 07:32 PM   #2
kwmech
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Re: ignition timing ?

I would initially set at 6 btc and see how it runs---may want to change it later depending on power and possible pinging
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Old 05-02-2007, 08:37 PM   #3
piecesparts
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Re: ignition timing ?

Years ago, I ran mine at 10 degrees BTDC at first and then went to 12 degrees. It worked well and had no issues. I now set the TOTAL advance (using a timing light with the advance feature) and the initial settles out where it needs to go.
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Old 05-02-2007, 09:39 PM   #4
truckdude239
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Re: ignition timing ?

i am wanting to try and get as close to run as plossble for the 20 min 2k brake in
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1971 Chevy c-10 under going a 4.8l LSx swap

Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305

2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

General manager for Marco's Carwash & lube
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