Help With my crate 427 Engine Won't Start

[jhv48]

It’s a timing issue. You’ve got fuel, air and spark. The spark isn’t being delivered at the right time.

[Davidless]

Originally Posted by jhv48

It’s a timing issue. You’ve got fuel, air and spark. The spark isn’t being delivered at the right time.

Yes, I agree because everything checks out. I'm going to try a mechanical dist to rule out my electronic progression dist.

[rustyrims]

Are you using the 351 or 302 firing order? their different.
most cam manufactures use the 5.0 HO firing order

[twobjshelbys]

Originally Posted by bobcowan

If it is backfiring through the intake, then it is firing while the intake valve is open.

Originally Posted by rustyrims

Are you using the 351 or 302 firing order? their different.
most cam manufactures use the 5.0 HO firing order

I wonder if the two are related... Worth checking.

[fordsrule@msn.com]

I know you are talking about a 427 sb , I have a ford racing 347 the firing order is 1-3-7-2-6-5-4-8