Holley Sniper and Hyperspark install on a 67 Camaro

[@Boots_G]

Man that was great video because it showed that all installs aren't just "See how easy that was, all done". You let everyone see the real easter eggs out there waiting to be found but you persevered. I was tuned in like I was watching Rocky pt 3. Great job

[@219jello]

😆😆 thanks man. The follow up video shows more improvement.

[@Boots_G]

@@219jello I'm about to check it out 😁

[@danielkohler3458]

This was twice as good as I expected. Two installation videos for the price of one and covered almost every possible scenario. Great job man! Hope he likes it.

[@219jello]

I have a follow up video after we got it all worked out. Car is coming back to my shop for some other work before he sells it

[@RodeoRanger]

I did the exact same Holley Sniper EFI and Hyperspark install on my 1977 Firebird. After two years of nothing but trouble I uninstalled it all, sold it and went back to trouble free Holley carburetor. It would never idle correctly no matter what I did. All new Vacuum lines, fuel lines, I tried everything. Holley even sent me a New EFI sniper Throttle Body and still the same. Finally found out it was the Hyperspark Distributor. sent it to Holley and they sent it back, said they fixed it. I just sold everything and went back to carburetor and now my car runs beautiful again. I fell for all the hype.

[@219jello]

I like carbs too, but once these things are happy, it's really an advantage when it comes to tuning because of the data logging it can do. Holly's free tuning software is pretty cool too. It's not my car, just a friend's and he wanted the Sniper on it. I probably would've went full efi if it was my car.

[@michaelwoods3850]

😮😮😮

[@billzussman5277]

Operator error, I have read so many comments like yours and in the end its your own fault. The product works great when installed properly. i'm sure you failed to run power direct to battery, probably had the O2 sensor too far down the line, some sort of common mistake, yet you blame holley.

[@LMSCa18det]

Thanks for the whole troubleshooting video, it's quite nice to watch someone who doesn't ditch the whole thing at some point.Instead you find all the little things who add up and cure them one after an other, great work. 😀 I'm actually looking for an Sniper 2 efi for my father 67 camaro (454 marine block), i hope his install goes more seamless than yours.

[@219jello]

Thanks for watching! Yeah, if anyone would have issues with this, it's me lol. And I don't give up to easily. The Sniper 2 should be much better because they address almost all the issues the original Sniper had. Customer called me the other day and said car was running great, but then the other day it seemed a little off so it's coming back to my shop as soon as I get my new lift set up.

[@davejalenderki]

Awesome video. Thanks for sharing. I have a ‘76 Stingray that I am about to drop in a 383. I have the complete Holley Sniper infection and ignition system. Your video is very informative.

[@219jello]

Thanks! Good luck with your project

[@davejalenderki]

@@219jello Thank you sir.

[@KAPTIONK1]

@@219jelloI’m rebuilding a bbc 454 for my Nova and I want to go efi/hyper spark distributor when it comes time. How do you know what degree of timing to try on your first engine start since it’s a digital distributor? Great video btw!

[@FTGMotorsports]

Thank you - Great troubleshooting, -been down that path with a Sniper and Hyperspark myself

[@kylelove927]

You get it figured out?

[@FTGMotorsports]

@@kylelove927 Quick fix for me - swapped to MSD wires, used Dielectric grease on te boots and plugs - problem solved

[@richm.6220]

I wonder if Holley fixed the high battery voltage issues of drain. I see so many guys selling their Sniper eif on marketplace Craigslist. I sold my Holley 950 Terminator setup for the same reason. It pulled my battery down within a few weeks and if your battery voltage is below 12.3v the ecm will not let it start so now you have get a battery jump. I instaled a battery shut off switch but ended up removing the whole situp and going back to a my 600cfm carburetor. Well good luck dude.

[@219jello]

His car is running good now. He always had a battery draw on this car so we pulled the amp fuse and seems to stay charged up now. The proper alternator helped a lot. Voltage stays right where it should be now. He's happy with it. A little data logging and fine tuning is all in needs to be perfect. Some people have a lot of issues with these and other bolt them on and plug them in and they are perfect. My follow up video shows the replacement unit on the car and the results.

[@6spd85notch]

You deserve 10 thumbs up for having the patience to figure that out. Good work hopefully mine doesn’t drive me crazy too. I ordered the xflow 800 and I’m running it on a sbf with a centrifugal supercharger. Holley has a big sale going right now so I got a really good deal on it. Hopefully.

[@219jello]

Thanks! Holley support was very helpful. I did end up doing a follow-up video that shows this unit working much better. To this day, he said it's working great.

[@mohanperformance.enginerd.1308]

Great tutorial. I am a jurneyman and holley efi trained. Your the real deal! Holley has some work to do. The sniper 2 is supposed to be better. I have one on order now. I hope it is better? As for the air cleaner. Its a R.F. sattalite nightmare dish for snipers. When I did the holley training in bowling green. They explained to ground the hood. Hinges are not a good ground with road vibrations. Also to ground the air cleaner base. Also alternator case ground to battery so if any ac ripple leakage. It wont RFI yur ass through a ground loop via ground straps or what ever other sources might exist. In any case. Great job. Even better video. Jeees your patient. Holley owes you a bottle ofJack. 😉

[@219jello]

Thanks! Well for my first EFI conversion, I sure learned a lot. Holley tech support was pretty helpful up until I explained how I thought something was wrong with the unit we had. Well, in my follow-up video, you'll see that I found that the unit had a bad injector.

[@mohanperformance.enginerd.1308]

@@219jello ahhhh. Yes the bad injector thing. I had two units with 1 bad injector each. Also one with the connector came loose. One with a bad internal reg. And more.

[@danaevans-vf4nq]

This video was great. He covered all details

[@armygreenfj3924]

They have a new holley sniper efi 2…suppose to fix the bugs and issues people had with the 1st generation holley sniper efi.

[@219jello]

Yep, just came out. New designed electrical connectors on the injectors too

[@PetesSnakeBiteKit]

Looks good I hope you have better luck than me. There is a sniper 2?for a reason. Snipers are junk. Best of luck!

[@219jello]

The 2nd unit I put on works great. I have the car back in my shop right now for oil leak repairs and I'm tuning on the Sniper too. It's doing exactly what it should now.

[@ericuncapher9922]

Carburetors work. My sniper has been trouble. Holley needs a buy back program.

[@219jello]

I almost had the customer send it back and put a carb back on. But I stayed persistent and got it running good now.

[@vikenlink]

I think you need to move the ignition coil way away from the ECM and throttle body. Maybe better insulation on the driver inner fender to keep radio interference from messing with the fuel injection…. Otherwise it will just have issues.

[@219jello]

I ended up resolving all the RFI issues. I have a follow up video

[@rickieposton8384]

I installed the Sniper on my 383 and never could get it to run right.. i would come to a stop and it would surge and jump to around 3000 rpm and my you almost run into back of some one. finally removed it and went back to a Carb.

[@219jello]

Yes, surging can be caused by RFI or EMI. There are many things that can cause either of these. Grounds are very important as well. I had every problem you could think of, but I just kept eliminating things one at a time and finally got the car to start, idle and drive pretty good. Ended up not being satisfied with performance so took another look at things and found one injector wasn't working. Installed a new unit and that fixed it right up once all 4 injectors started working. It still has a little room for performance gains, but that can be solved with some data logging on fine tuning. I still believe I have the O2 sensor a little far back and that could cause some air/fuel mixture issues.

[@GaryH-pw9cm]

I am keeping my carb-u-rator.😉

[@gferguson32]

Thank you!!

[@ronchapman4598]

thanks for the video, just curious what spot on the fuse box did you end up finding 12 v while key on and cranking? hard to tell from the video but was just curious. Also, where did you end up finding your relay that the pink 12 switched voltage went to....could you provide spec or location of where to find one?

[@219jello]

I believe it was the 3rd fuse up from the bottom. I tapped into it to the right of the actual fuse where I was able to hook a female connector to. I bought the relay from a local auto parts store, probably autozone. As long as it's a 12v relay and has 4 pins on it.

[@chimpfoos65]

You can never fix the problem with Holley my friend took his car to three professional shops for 3 years never worked nothing but problems

[@michaelwoods3850]

Guess im keeping my carburetor

[@219jello]

I'd still go this route. We worked it all out in the end. Holley and a couple guys on KZbin helped me get it right. Also, a bad injector didn't help matters either. Watch the follow up video, car runs good now. Only installation changes I'd make is I'd increase the fuel line diameter and I'd move the O2 sensor closer upstream.

[@LionsTigersBears]

The super sniper2 is way better no more bugs alot smoother install. Better runability😊😊

[@219jello]

Well it just came out so time will tell, but yeah Holley supposedly addressed some of the issues of the gen 1 sniper.

[@JoeAmaral427]

I've heard alot of bad about the Holley sniper. Most issues are o2 sensor not in the correct place, positive and negative leads connected to the actual battery and not doing static timing check. Please read the Instructions.

[@219jello]

Done all that. The unit had a bad injector and had to solve the RMI issues. Car runs fine now. This video does show how it's wired directly to the battery and the phasing of the rotor. Timing is set at 15° and the Hyperspark has been set at that. O2 sensor is working fine.

[@chimpfoos65]

If all else fails select the 3/4 race came button

[@219jello]

👌👀

[@CamboFord]

This is an IAC issue. The numbers need to be between 2% and 8%. Your numbers were way too high and it causes that surging. But the changes you did make are very well worth it anyway.

[@219jello]

The IAC wasn't adjusting due to the ECU freaking out. Watch the later video, we figured it out and car runs great now.

[@Boots_G]

The IAC never had a chance to really resolve on a number due to the RF. It needs some calm waters.

[@chimpfoos65]

Hillbilly Bob's problems are just getting started

[@219jello]

Huh?

[@chimpfoos65]

Maybe a cold air intake on that one

[@chimpfoos65]

That system will be one thing after another the guy you installed it for will not like it to say the least

[@219jello]

It's working perfectly now. Gotta be persistent and troubleshoot and fix one thing at a time. Car rips now. Owner said it runs better now than when he bought it. We are to the point of being able to data log and read the logs so tuning can be performed. I have a follow up video showing what we found. It's back in my shop now so I can get it perfect so owner can list it on the market. Car is beautiful, clean and a runner.

[@damxgopak457]

They are a $1500 pain in the ass

[@chimpfoos65]

The system interferes with iit self junk

[@219jello]

Just gotta work at things one at a time until you sort it out. Car runs great now