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December 2019

Jeep Cherokee

Holley Sniper EFI Firmware Update

I’m looking at upgrading my Holley EFI system to include the Hyperspark ignition system so that the ECU can control the ignition timing. Better idle control and more efficient overall. The only issue I’ve had to date with the Holley EFI is that the engine struggles to maintain idle when Read more…

By chuckgarage, 3 years3 years ago
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