17 results in 0.0075 seconds.
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Sniper system won’t run.
Hello. I’ve had my Sniper EFI on my Chevelle for approximately one year. Installed it exactly as recommended with all Holley parts with no expenses... -
Switching To VVT
I'm adding variable valve timing to my engine. Changed cams to stock Boss 302 and added Holley VVT box and harness to my 302 Coyote. What do I need to... -
First drive was great, next morning won't start
New install on a '65 Mustang 289, installation includes the Sniper EFI, HyperSpark ignition, coil & distributor. Also installed new fuel tank with... -
Runs in start position, dies on key position.
New here, but so glad to find all this info. Our car is a 1961 Caddy with the Sniper installed. Car was running fine, but the external fuel pump was very... -
Terminator install, Dual Sync won't start.
Help! I just installed new Terminator TBI with Dual Sync distributor and MSD 6AL.
Had the timing at 15°, will only fire if I give about 25% throttle... -
Changed injectors and engine won't start.
Hey guys, I appreciate the help. My car was running fine. I swapped from Holley 160 lb/hr injectors (low impedance) to Bosch 210 lb/hr injectors (high... -
MSD 6014 occasional crank sensor failure alert.
I’ve had the MSD 6014 for a year on my blow-through turbo 4.8L Mustang. Since new, I keep getting crank sensor failures. I’ve used GM sensors as well... -
LS LQ4 Twin Turbo. First time no start. Crank sensor?
Good Evening All,
I've been working on my friend's new LQ4 build for the past few days. This is our first time with the Holley EFI HP, but...Last edited by Jason_The_Angry; 05-27-2020, 08:09 PM. -
Sudden Death
I have a '69 Chevelle with the Atomic EFI returnless. Car fan great for about 2000 miles then just died. I had it towed home and verified the fuel pump... -
Holley Sniper & HyperSpark ignition won't start/stay running.
I have a '79 C10 355 with a mild cam. I've installed a Holley Sniper with HyperSpark ignition. The truck cranks and fires, but will not stay running.... -
No Start '55 Chevy
Hello. I have a 24x LQ9 with stock bottom end, AFR heads, a mild Bullet racing cam, and Holley 36 lb/hr injectors, MSD coil packs. Engine is N/A. Brand... -
I don't know where to start.
Let me start off by saying hi my name is Dave and I have been on this forum for the three weeks religiously. I'm NOT a big poster I would rather read... -
No Cam Signal LS3
I have the Holley 550-603N kit on my 2008 LY6. I changed to 3 bolt cam with a 4x cam gear. 58x crank reluctor. When I System Log the RPM, I get a good...Last edited by Jfisher_73; 06-18-2019, 09:14 AM. -
Holley Terminator engine died suddenly, now no start.
I've had the Holley Terminator installed on my '85 K10 with a 350 SBC for about 8K miles with no problem until this evening. Started truck it fired up... -
Sniper EFI no start.
Car was running good for a week or so. Now it's not starting. When I kick the key on fuel pump primes, but then sounds like a puff of air coming from...
