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-   -   340 EFI questions (https://moparforums.com/forums/f81/340-efi-questions-21397/)

72scamp 05-30-2018 10:49 AM
340 EFI questions
 
I’m fairly new to this stuff but I have been reading and researching on the 340 engine. Considering a switch to efi, is the Holley sniper kit any good? Does anyone have other recommendation. Also, will I have to install a high pressure fuel pump and new fuel lines? Or does the new throttle body take care of this. More of a plug and go kinda thing

Beepbeep71 09-11-2018 07:07 AM
1971 340 Roadrunner here. Looking at similar upgrade from my bevoled TQ. PITA to start after sitting a few days... Would love to see an EFI with similar primary/secondary setup as TQ...

mopar5150 09-11-2018 08:20 AM
Originally Posted by 72scamp (Post 144333)
I’m fairly new to this stuff but I have been reading and researching on the 340 engine. Considering a switch to efi, is the Holley sniper kit any good? Does anyone have other recommendation. Also, will I have to install a high pressure fuel pump and new fuel lines? Or does the new throttle body take care of this. More of a plug and go kinda thing
The Sniper setup like most (EZ EFI) use a throttle body/ injector setup based on the square holly pattern. You do need a high pressure pump, but that comes with the kit along with a regulator. Your fuel line will be fine.
If you search youtube you will find numerous install videos. If you take your time with the install you will love the results.

Here is a link to Summit's site with some reviews and info. https://www.summitracing.com/parts/sne-550-511


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