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09-17-2010, 09:18 AM
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#1 |
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Senior Member
Join Date: Jan 2002
Posts: 654
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5.7L Hemi w/ two plugs per cylinder
On the new 5.7 L hemi, do both plugs fire at the same time or are they stagered? I guess it could be either depending on what you want to acomplish for OEM on the road or racing applications.
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09-18-2010, 09:12 AM
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#2 |
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Junior Member
Join Date: Sep 2010
Posts: 32
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Re: 5.7L Hemi w/ two plugs per cylinder
Chris,
Read on the Allpar site 2nd plug fires during the power down stroke for more complete burn and less emissions, maybe a little more power. They could use a less restrictive cat that way. Also the 2nd fire uses another coil from the opposite bank... Mark |
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09-19-2010, 09:34 AM
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#3 |
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VIP Member
Join Date: Apr 2003
Location: Tulsa, Oklahoma
Posts: 1,649
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Re: 5.7L Hemi w/ two plugs per cylinder
How were the 2nd Gen dual plug naturally aspirated Hemi's timed?
Both plugs the same or one ahead of the another? Bill |
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Linear Mode
