Rebuilding 1970 Cutlass Episode 6 – Holley Sniper EFI on 350 / 455 – Install and Review

Rebuilding 1970 Cutlass Episode 6 – Holley Sniper EFI on 350 / 455 – Install and Review

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In this video, I will be showing you how I installed my Holley Sniper EFI system on my 1970 Oldsmobile Cutlass with the 350 Rocket. I have had this EFI on my car for about a year now and it is just so awesome! Highly suggest you install too!

Parts and links:
Fuel Tank – https://www.jcwhitney.com/details/Replacement/Fuel_Tank/REPO670102.html
Fuel Tank Straps – https://www.jcwhitney.com/details/Replacement/Fuel_Tank_Strap/REPC670703.html
Holley Sniper In – Tank RetroFit Fuel Module – Part Number 510-19-350 – https://www.jegs.com/i/Holley/510/19-350/10002/-1
Holley Sniper EFI System – Part Number 550-510 – https://www.jegs.com/i/Holley/510/550-510/10002/-1
Vibrant Performance Coupler Fitting 90 Degrees – Part Number 231-10733 – https://www.jegs.com/i/Vibrant-Performance/231/10733/10002/-1
Holley EFI Fuel Hose Plumbing Kit – Part Number 510-526-9 – https://www.jegs.com/i/Holley/510/526-9/10002/-1
Earl’s Ano-Tuff Pressure Gauge Adapter – Part Number 361-AT100199 – https://www.jegs.com/i/Earls/361/AT100199/10002/-1
Jegs Aluminum Fuel Line 3/8″ – Part number 555-15100 – https://www.jegs.com/i/JEGS/555/15100/10002/-1
Earl’s Fuel Pressure Gauge – 361-100187ERL – https://www.jegs.com/i/Earls/361/100187ERL/10002/-1
Vibrant O2 Sensor Bung – Part Number 231-11105 – https://www.jegs.com/i/Vibrant-Performance/231/11105/10002/-1
60 mm External Fuel Pump Filter Holder – https://amzn.to/3iXcG8L
Assorted Earl’s A/N Fittings
Scosche Magic Mount – https://amzn.to/3iNsomx
JACER Oldsmobile Fuel Pump Block Off – Part Number F151C-OS31 – Couldn’t find link 🙁
Dorman 60307 Battery Terminal Bolt – https://amzn.to/3iS7piH
Trottle Linkage – https://amzn.to/2W62Szj
Cable Bracket – https://amzn.to/3iPsFFw
Fuel Sending Unit 090 ohms – https://amzn.to/2W5eId5

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@ChadWilliamsFixesAll says:

If this video was helpful, consider donating 🙂
Paypal – https://paypal.me/chadwilliams89
Cash App – https://cash.app/$chadwilliamsfixesall
Venmo – https://www.venmo.com/u/chadwilliams06

@tyronnollie says:

So it doesn’t have the carburetor gassy smell I’m assuming

@nolantrent8830 says:

What intake did you use

@darianpooh says:

Chad I would like to get in touch with you I have problem with my 1970 cutlass

@tjwest13 says:

Thanks for sharing. Might have to do this upgrade on my build.

@TanukiTakey says:

Extremely comprehensive and informative video.

@Rick-Williams59 says:

I installed my Sniper about 4 years ago, I went through 2 external fuel pumps in the first few weeks of running it, I finally purchased an in-tank pump, actually a drop in for classic tanks, no return line to fool with, been running great ever since. Awesome video man.

@richardmckinney2891 says:

Does in tank pump prime every time cycle key

@trippynyc says:

Good breakdown on everything

@williammercer8839 says:

Great video. I noticed you didn’t list the spacer part number for the intake that the sniper is mounted on. Is there a part number available? Thanks

@brandoncherry1651 says:

I've been watching these efi vids I bought a 496 stroker with efi from blueprint …I'm def yanking my fuel cell out go with new tank..thanks vid parts break down..

@CodyShell says:

How has the EFI been treating you? I'd love to make the switch by my quadrajet works so good.

@ALBERTLOPEZJR209 says:

Can you do a video on the wiring im going to install the sniper on my 71 cutlass and want to know where you found the power while cranking

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