GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

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Old Nov 21, 2009 | 12:01 PM
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3406a's Avatar
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Staging Lane
 
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Default Coils

Other than looks is their any performance benefit between the round and triangle coils?
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Old Nov 21, 2009 | 01:13 PM
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neilownz's Avatar
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From: Fargo, ND
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The ones with the heat sinks on top are better from what I've read.

D585 LS2 ignition coil, same as AC Delco #D585 and GM #10457730

The truck coil brackets are 10457736, 2 needed.
The LS2 wiring harnesses are 12601824, 2 needed.
The coils are 10457730 (AC D585), 8 needed.

There's an article about swapping them on ls1tech somewhere.
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