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Old 04-15-2006, 12:21 AM   #1
dougs69c10
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250 I6 Hei swap timming

Ok I have a 250 Im puttin in sunday, what timing Do i need to set the motor at with the HEI swap. Ive looked and looked, but all I find is the timing for a v8.

Any help would be greatly appreciated
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Old 04-15-2006, 01:53 AM   #2
Brad
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Re: 250 I6 Hei swap timming

Basically you'll want to advance it 'till it pings then back it off a bit. Probably around 8-10* when you're done.
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Old 04-16-2006, 12:26 AM   #3
shifty
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Re: 250 I6 Hei swap timming

i basically did exactly what Brad is recommending. i played it all by ear.
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Old 04-16-2006, 06:48 AM   #4
Tx Firefighter
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Re: 250 I6 Hei swap timming

Same here, run it as advanced as you can without it clattering under a load.

BTW, you will love the results of HEI on your 6 cylinder. It's like a new engine.
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