Classic Engine Tech 1967 - 1981 Engine Related

firing order on a 1999 350

Old Jun 18, 2003 | 08:35 AM
  #1  
Hellbilly69's Avatar
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firing order on a 1999 350

I've got a 1999 350 gm goodwrench engine that I'm trying to troubleshoot.

It's backfiring out the open headers and missing when going down the road. It also is dying out at about 3500rpm and wont go any faster.

I think I may have the firing order off...can you guys tell me if this is right.

On the distributer going clockwise it's 18346572 right?

Also what are the actual cylinder numbers? like starting from one going right to left when your looking at the engine it's
8 7
6 5
4 3
2 1
Old Jun 18, 2003 | 12:33 PM
  #2  
angel71rs's Avatar
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From: TX
Order is 18436572. And the cylinder layout is correct.
Old Jun 18, 2003 | 10:16 PM
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shocker45's Avatar
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Posts: 275
From: winnipeg
yeah, switch the 3 and 4.

most of the time people mess up the 5 and the 7.
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