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70valiant
 Post subject: back firing through carb
PostPosted: Sat Apr 09, 2005 5:23 pm 
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Turbo EFI
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Joined: Mon Jul 14, 2003 10:02 am
Posts: 1817
Location: Southeastern Pennsylvania
Car Model:
what causes this? I thought it was to much inital timing but mine is at 2* after TDC.
suggestions?

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Dennis Weaver
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PostPosted: Sat Apr 09, 2005 5:24 pm 
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Joined: Tue Jul 08, 2003 11:33 am
Posts: 2378
Location: Central GA
Car Model: Many & varied, including stock & hopped up /6's
Lean. MORE timing advance will probably help, too.

D/W

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Jeb
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PostPosted: Sat Apr 09, 2005 7:12 pm 
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Joined: Sat Jun 19, 2004 8:01 pm
Posts: 1937
Location: Rhine, GA
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A messed up choke will also cause it to backfire through the carb when cold.

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argentina-slantsixer
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PostPosted: Sat Apr 09, 2005 8:53 pm 
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could be messed timing... jumped chain... hope this is only my ugly imagination. 180° out too (one wire with its opposite, say 1-6 or 5-3 or 2-4)

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Juan Ignacio Caino

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argentina-slantsixer
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PostPosted: Sat Apr 09, 2005 8:54 pm 
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Joined: Mon Jan 12, 2004 4:20 am
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could be messed timing... jumped chain... hope this is only my ugly imagination. 180° out too (one wire with its opposite, say 1-6 or 5-3 or 2-4)

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Juan Ignacio Caino

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argentina-slantsixer
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PostPosted: Sat Apr 09, 2005 8:54 pm 
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Joined: Mon Jan 12, 2004 4:20 am
Posts: 2011
Location: Argentina
Car Model:
could be messed timing... jumped chain... hope this is only my ugly imagination. 180° out too (one wire with its opposite, say 1-6 or 5-3 or 2-4)

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Juan Ignacio Caino

Please use e-mail button istead of PM'ing. I do log in sometimes but I'll be answering quicker thru e-mail.
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