Install thread- Holley EFI Sniper on '72 402 big block - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Ekliptix · 07-12-2018, 12:29 PM

Weird, I'm not sure what the second port is used for on yours.

Last night I installed my first starter. Got it lined up and done. Was a tight fit and lesson in patience trying to do it all on jack stands.

Fired up first try. https://youtu.be/J5CxfMAJR5U

To do:
1) check for vacuum leaks.
2) determine why distributor is unreliable to deliver spark to each plug. Potentially replace distributor or at least, distributor cap.
3) figure out why brakes are so weak. This has been an issue since the 350-->402 swap. It may be the vacuum is too low, or another reasons.
4) install converter lock up wire + switch to 700R4. The vacuum line does not seem to engage the lock up, currently.

07-12-2018, 12:29 PM	#12
Ekliptix Registered User Join Date: Aug 2013 Location: Calgary, Alberta Posts: 674	Re: Install thread- Holley EFI Sniper on '72 402 big block Weird, I'm not sure what the second port is used for on yours. Last night I installed my first starter. Got it lined up and done. Was a tight fit and lesson in patience trying to do it all on jack stands. Fired up first try. https://youtu.be/J5CxfMAJR5U To do: 1) check for vacuum leaks. 2) determine why distributor is unreliable to deliver spark to each plug. Potentially replace distributor or at least, distributor cap. 3) figure out why brakes are so weak. This has been an issue since the 350-->402 swap. It may be the vacuum is too low, or another reasons. 4) install converter lock up wire + switch to 700R4. The vacuum line does not seem to engage the lock up, currently. __________________ 1972 Cheyenne Super SWB PS, PB, Tach, A/C, Tilt. Drivetrain: Built 402BB, TCI Streetfighter 700R4, 2,500 stall, Eaton posi, 3.73. Suspension/Chassis: ECE 4.5/6.5 drop, CPP nitrogen shocks, CPP front and rear sway bar, CPP cross members. Exhaust: 3" exhaust with x-pipe, Spintech 3000 mufflers, Hooker ceramic coated headers. Best 1/4 mile time: TBD.



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