73-87chevytrucks.com

73-87 Chevy _ GMC Trucks => Performance => Topic started by: swilliams on October 17, 2016, 09:03:43 am

Title: Holley Sniper EFI Anyone
Post by: swilliams on October 17, 2016, 09:03:43 am
Got home from work this morning and was met with a surprise.

(http://i36.photobucket.com/albums/e42/swilliams19733/45132994-f787-475c-a247-a56fe5f32f14_zpsnzz1pz1w.jpg) (http://s36.photobucket.com/user/swilliams19733/media/45132994-f787-475c-a247-a56fe5f32f14_zpsnzz1pz1w.jpg.html)

(http://i36.photobucket.com/albums/e42/swilliams19733/42da23ed-7bb2-4baa-b73b-83907d381ff0_zpsqtm3nzrc.jpg) (http://s36.photobucket.com/user/swilliams19733/media/42da23ed-7bb2-4baa-b73b-83907d381ff0_zpsqtm3nzrc.jpg.html)
Title: Re: Holley Sniper EFI Anyone
Post by: Flyinhillbilly on October 17, 2016, 05:30:25 pm
I've installed one of the fast ezefi units. Looks to be about the same. EZEFI is awesome.
Title: Re: Holley Sniper EFI Anyone
Post by: gwcrim on October 17, 2016, 08:16:06 pm
Sweet! 
Title: Re: Holley Sniper EFI Anyone
Post by: cvbear on October 17, 2016, 08:41:12 pm
I am looking forward to following this thread!  How are you going to deal with a fuel line return for the throttle body?
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on October 17, 2016, 09:29:40 pm
The stock 1986 C10 fuel pump has fuel, vent and return hard lines. Then i am going to use the FITech fuel command center for the high pressure side.
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on October 18, 2016, 04:58:19 pm
So after months of speculation turns out the the Sniper system does have timing control but i will have to either have to somehow lock my stock HEI distributor or go with an aftermarket distributor. In the instructions they use an MSD. For the lower end aftermarket EFI systems it has quite a few control options from multiple fans to A/C even nitrous.
Title: Re: Holley Sniper EFI Anyone
Post by: justin71105 on October 25, 2016, 01:11:42 am
This is the one I have been eye balling lately:  http://fitechefi.com/products/30003/

Title: Re: Holley Sniper EFI Anyone
Post by: BlackTomC on October 25, 2016, 10:03:43 am
swilliams, you ever get this setup? Contemplating this for my 76 K25 Suburban party barge
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on October 26, 2016, 02:44:23 pm
This is the one I have been eye balling lately:  http://fitechefi.com/products/30003/
I thought about the Fitech EFI but when i found out Holley was coming out with the Sniper system i decided to wait. I am going to use the: http://fitechefi.com/products/40003/
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on October 26, 2016, 02:50:29 pm
swilliams, you ever get this setup? Contemplating this for my 76 K25 Suburban party barge

I am still waiting on parts. Now that I found out that the Sniper system has timing controls I am having to upgrade my distributor. When i get to the install i will post progress. I did do an unboxing video: https://www.youtube.com/watch?v=-lg3yOlyd3w
Title: Re: Holley Sniper EFI Anyone
Post by: Stewart G Griffin on October 26, 2016, 03:55:29 pm
Will this work on a 6 cylinder?
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on October 26, 2016, 04:27:53 pm
Holley says that it will with a  4 barrel square bore intake. Up to 650 HP.
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on November 02, 2016, 05:23:33 pm
Getting my parts gathered.
(http://i36.photobucket.com/albums/e42/swilliams19733/a51414f1-1621-4ecf-85e1-bbd0ab844cbb_zpsfwypzlyg.jpg) (http://s36.photobucket.com/user/swilliams19733/media/a51414f1-1621-4ecf-85e1-bbd0ab844cbb_zpsfwypzlyg.jpg.html)
Title: Re: Holley Sniper EFI Anyone
Post by: Irish_Alley on November 03, 2016, 07:41:38 am
how much $ and whats your current MPGs?
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on November 03, 2016, 08:31:40 am
Roughly $1600 for the setup i am going to run and for gas mileage i am running a Holley Demon 625 so i dont think it is over 9 MPG.
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on November 15, 2016, 07:08:38 pm
I got some time to work on my project. I have installed the MSD ignition but not the distributor yet. I have already locked it out and the instructions on the Sniper it says to get it up and running before doing the timing controls. Next I have started on the placement of the fuel cell. Excuse the wires.

(http://i36.photobucket.com/albums/e42/swilliams19733/3bf673e9-831b-40b3-87df-af4ae4ede27f_zpsk3albmbv.jpg) (http://s36.photobucket.com/user/swilliams19733/media/3bf673e9-831b-40b3-87df-af4ae4ede27f_zpsk3albmbv.jpg.html)

(http://i36.photobucket.com/albums/e42/swilliams19733/6b79b343-6b4c-4101-bbf0-cc6d8e3d8f18_zps7q7zftlx.jpg) (http://s36.photobucket.com/user/swilliams19733/media/6b79b343-6b4c-4101-bbf0-cc6d8e3d8f18_zps7q7zftlx.jpg.html)
Title: Re: Holley Sniper EFI Anyone
Post by: BlackTomC on November 16, 2016, 02:08:58 pm
Well then... My distributor is already an HEI.. you're telling me that if I upgrade it to this fancy MSD setup, and get the timing all setup with the Holley Sniper, it could actually improve my gas mileage?
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on November 16, 2016, 02:21:23 pm
You dont have to up grade. There are ways to lockout an HEI. I just decided to upgrade.  Running the timing controls can help with gas mileage I just dont know how much.
Title: Re: Holley Sniper EFI Anyone
Post by: BlackTomC on November 16, 2016, 03:53:04 pm
Gotcha. What added benefit would using the fuel center add compared to just adding an electric pump & running gas from/to the tank in the rear?
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on November 16, 2016, 10:09:52 pm
I have herd conflicting reports on the inline fuel pumps. I have seen better reports on the submerged pumps. It is just one of the personal choice items. Plus I didn't have to drop the tank.
Title: Re: Holley Sniper EFI Anyone
Post by: BlackTomC on November 17, 2016, 11:05:08 am
Gotcha.

Ever checkout one of these?

http://www.holleyinjection.com/ignition-components/distributors/dual-sync-distributor-chevy-small-big-block-standard-deck-565-100
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on November 17, 2016, 03:14:03 pm
I say it in the installation instructions. I don't know much more than I read. It sounds a lot like a MSD ready to run. With Holley MSD and a few others being under the same roof wouldn't think they would be bad. I had some points and a coupon code that helped bring down the cost of my dust. by $60 which helped with my decision.
Title: Re: Holley Sniper EFI Anyone
Post by: swilliams on December 04, 2016, 11:22:42 pm
OK. So I finally got most everything installed. The instructions say not to start out using the timing controls so i have not got to that point. Here is the video fo the initial start.
https://youtu.be/0LZg3XMnr18
Sorry somehow i hit the stop on recording.