Corvette C4 Still Misfiring

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  • I had that exact same thing happen to me, but I have a L98 so I went through the distributor first so it wasn't as bad as an opti. By luck I continued into the night and was able to see the arching when it was darker out. New wires too so I was pissed. I use those shields over the wires now to help prevent that.

    Vince LVince L7 วันที่ผ่านมา
  • It's funny how often misfires happen now that we are a few years into 10% ethanol. Then trump announces a couple weeks back they want to goto 15%... WTF....!? NOOOOOOOOOOO.

    nicomas2471nicomas24719 วันที่ผ่านมา
  • Been a few weeks, wheres the update?

    Adriansitos623Adriansitos62313 วันที่ผ่านมา
  • wow these jokers are completely clueless. maybe find a service manual or enthusiast forum before listening to youtube comments and shotgunning parts at the problem

    lasagna187lasagna18717 วันที่ผ่านมา
  • Camshaft..

    AaronAaron20 วันที่ผ่านมา
  • Lame

    Jason NassarJason Nassar23 วันที่ผ่านมา
  • Said it was a plug wire lol

    Wolf-J&CWolf-J&C23 วันที่ผ่านมา
  • Can we send Kyle for some manscaping? The eyebrows and hair need to be trimmed!

    Chris MarcheseChris Marchese23 วันที่ผ่านมา
  • Seems like they should have replaced the wires when they did the plugs. Try the simple shit first.

    Fed RoosterFed Rooster23 วันที่ผ่านมา
  • fun fact, the water pump leaking all over the opti-spark will definitely kill it.

    kevin seegerkevin seeger24 วันที่ผ่านมา
  • Havent watched yet, but I used to work on these for a living. Usually missfire is caused by sticking injector, bad ecu or wiring issues, they fall apart and corrode.

    subtledriversubtledriver24 วันที่ผ่านมา
  • Good luck with the Opti, Check out the Toruehead Coil conversion for the LT-1, definite lifesaver.

    Michael MicieliMichael Micieli24 วันที่ผ่านมา
  • I’ve had 3 defective parts from oreillys

    Jesse NavaJesse Nava24 วันที่ผ่านมา
  • Fuel pressure regulator or spark plug wires

    Sikshore DriveSikshore Drive24 วันที่ผ่านมา
  • Wish I caught you before you put it back together. The pre 1995 Optisparks were not vented and had some issues. The '95, and '96 Corvette Optisparks were very reliable. The one thing you should do with all of them, if you pull off the water pump, tap the bleed hole in the bottom of the water pump casting, install a simple brass fitting with a piece of vacuum tube on it and direct it away from the Opti-Spark so if the diaphram on the water pump blows out, it won't spray coolant all over your Opti and short it out. You should hang on to that Opti you removed. It's probably still good, and you know it's already been replaced at least once. I bet if you put some wires and plugs on that LT-1 it'll run like a champ. You guys are characters. Good videos. Take care.

    Keith LaneKeith Lane24 วันที่ผ่านมา
  • If you want to sell this Corvette, I'll buy it from you.

    Jeff AllenJeff Allen24 วันที่ผ่านมา
  • Y'all a bunch of idiots!

    Jeff AllenJeff Allen24 วันที่ผ่านมา
  • Plug wires are shot. Change the plugs too. LT-1 was a shit engine.

    Dick LargeDick Large24 วันที่ผ่านมา
  • no knowledge of "shots fired" no rock paper scissor skills...... but the mustache

    Mr. MattMr. Matt25 วันที่ผ่านมา
  • I cant even explain how much i like the Kyle\vince duo! I hope you could make him a regular somehow! Such a cool dude

    Necros1sNecros1s25 วันที่ผ่านมา
  • uhh that compression videos are EPIC.

    Jan SchollJan Scholl25 วันที่ผ่านมา
  • How the fuck do you not know about optispark I’m sure if it had a gay mustache like yours you would know everything about it

    Derick LearyDerick Leary25 วันที่ผ่านมา
  • I love Vince

    129572941295729425 วันที่ผ่านมา
  • If they don’t change out those wires... I’m gonna loose it! Lol!!!

    davey valdezdavey valdez25 วันที่ผ่านมา
  • The Optisparks on these always go out, don’t waste your time with anything with ac delco or any Chinese company, go immediately to msd , I had to learn this the hard way with my 94 z28

    TheDanTheDan25 วันที่ผ่านมา
  • I'm trying to recall but I believe they make an LS style coil pack system for LT1 engines. I had a 97 z28 with omni spark system. Was planning on switching for more reliability but didn't keep the car for to long to do the swap.

    Tony ArgoTony Argo26 วันที่ผ่านมา
  • hot daymn if we're calling it horsepower sweat then my jeep should be running 9s :)

    Entropic ThingsEntropic Things26 วันที่ผ่านมา
  • 6:11 I always wondered what those were. 🤔

    Raptor 318Raptor 31826 วันที่ผ่านมา
  • 1JZ swap it

    Pedro SalvadorPedro Salvador26 วันที่ผ่านมา
  • Vince is a good host but I'm not sure why people think he is so knowledgeable if he's just swapping parts willy-nilly and uses Snap-On tools. Those are usually the signs of an uneducated mechanic.

    colormesargecolormesarge26 วันที่ผ่านมา
  • Test Spark Plug Wires , Distributor Cap , Rotor . Age of Vehicle , Best to Do A Complete Tune -Up . ** 200 PSI ** On a olderengine , Possible Carbon Build up on the Piston .

    crashwrenchcrashwrench26 วันที่ผ่านมา
  • It's amazing that you've pulled the entire front of the engine apart without testing the ignition system in the slightest. Has this man ever touched a car before? All that sweat and time and a part you didn't need. BTW, it's called a master spline, a key is another thing entirely.

    anonymic79anonymic7926 วันที่ผ่านมา
  • It needs fuel injectors. If you have a good one or 7, it's by accident. Put new ones in and it'll run forever.

    anonymic79anonymic7926 วันที่ผ่านมา
  • Opti-Spark not very reliable, many people have trouble with it...

    Joe WJoe W26 วันที่ผ่านมา
  • Ive tangled with this project before eneded up doing it twice.. water pump leaks onto distributor causing it to fail

    Mike VidaMike Vida26 วันที่ผ่านมา
  • Who are you idiots? Bring it to someone who has diagnostic tools and the knowledge to use them. Money well spent.

    broomstermbroomsterm26 วันที่ผ่านมา
  • A1 twat beard. well done. removed from recommendations

    eekpieeekpie26 วันที่ผ่านมา
  • go on vacation and come back to this wtf

    bradbrown156bradbrown15627 วันที่ผ่านมา
  • ls swap it? lol

    Adam MAdam M27 วันที่ผ่านมา
  • Just pulllllllllll it and ls it !!!!

    andrew pilsonandrew pilson27 วันที่ผ่านมา
  • Under the water pump is the best place for the distributor 😂

    a456987a45698727 วันที่ผ่านมา
  • I'd check the fuel Injectors those can cause misfires and re do the plenum gaskets

    Tyler ParkerTyler Parker27 วันที่ผ่านมา
  • I actually do enjoy this quite a bit more than i thought i would. Keep up the light hearted content Kyle!

    ownerman227ownerman22727 วันที่ผ่านมา
  • timing is out

    Simon TatchellSimon Tatchell27 วันที่ผ่านมา
  • Compression beats Depression...in the wise words of the (straight) Piping Shrike...Let's Do This! South Aussies will get it ;)

    Corey BlackCorey Black27 วันที่ผ่านมา
  • Ain't sure of the inside story behind that sound @ 16:11... But i can damn sure relate to the story behind it during my High School year of 1969. Seems one of my closest buddy's had that exact turret's type expression down to a tee! Skippin' class to shoot hoops in the gym was his particular forte. Course after he'd been classroomed speakerd numerous time's to report to the office for lick's because of it...he'd grace the way down the hall's with that 16:11 chirp of ''Here I go down the hall to get them lick's once again; Babies!'' We ''Class Skippin Buddy's of his, would return his chirps as he'd pass the classrooms we were stuck in, as heard @ 16:15. Here's a shot of PTSD Repellant for any Veterans you might have workin' for you guy's - or you may know who could use it... ''For Their's None, closer to the author of Sacrifice Himself... Than Those Who choose to perform it, for the sake of others!''-gilpin 62219 -forner recondo sgt.''rock''gilpin 82nd abn. 11b4p 1/504 inf. '71-'74

    Sold to be DiersSold to be Diers27 วันที่ผ่านมา
  • So this is what Vigo has up to after Lord of the Rings!

    donnibrasko1donnibrasko127 วันที่ผ่านมา
  • Mellowest muthaf*****s alive

    Buford WashingtonBuford Washington27 วันที่ผ่านมา
  • Autozone is complete crap

    gxbouncer1gxbouncer127 วันที่ผ่านมา
  • problem with coils?

    SepevoSepevo27 วันที่ผ่านมา
  • Yeh the problem is that’s it’s not a LS

    Luis CastroLuis Castro27 วันที่ผ่านมา
  • Anyone seen the movie lawless that’s what I get from Vince

    Cam VinnyCam Vinny27 วันที่ผ่านมา
  • Omg i love dan lol

    Kyle RawdingKyle Rawding27 วันที่ผ่านมา
  • kevin normankevin norman27 วันที่ผ่านมา
  • To remove and install the crank bolts, use a spanner wrench in holes around the outside of the front of the crank pulley.

    Tyler SlaytonTyler Slayton27 วันที่ผ่านมา
  • If the opti wasn’t the problem before it’s gonna become a problem very soon... they are known to fail when water touches them so soaking it with the coolant from the water pump defiantly will not help. The optispark is the weakest point of the LT1 and LT4 engines by far

    Michael ParkerMichael Parker27 วันที่ผ่านมา
  • If you have no clue how a system works, you can never diagnose it properly.

    Duc RiderDuc Rider27 วันที่ผ่านมา
  • There's probably a bunch of carbon build up in the cylinders. Especially with #1 being 200. Too much build up will cause a pre-ignition

    Boughie BBoughie B27 วันที่ผ่านมา
  • I’m going to not watch anything with this mega-hipster handle bar mustache guy. DISGUSTING!

    ElGringoElGringo27 วันที่ผ่านมา
  • I used to own an LT1 with the good ole Opti. The way it works sounds badass on paper, it gives the PCM a damn near perfect idea of where the pistons are.. The optical sensor inside "reads" the holes in the the little plastic disc that rotates. It was so stupid of GM to mount it where they did. It's in such a shitty spot, UNDER the water pump?! and requiring you to remove it as well as the crank pulley just to replace it?! TIP: If you are troubleshooting and have things apart, make sure the water pump is connected or it won't start.

    GlycerinGlycerin27 วันที่ผ่านมา
  • How to scumbag a pulley off 😂

    matt shearermatt shearer27 วันที่ผ่านมา
  • Also replace the water pump while your replacing the opti spark they usually leak and take out the opti spark. .

    boosted saleenboosted saleen27 วันที่ผ่านมา
  • Next time no need to disable the injectors . You can put the vehicle in clear flood. Put the gas pedal to 100% and hold it while turning the engine over and get your readings.

    boosted saleenboosted saleen27 วันที่ผ่านมา
  • Not just in gear on the floor and handbrake up?

    matt shearermatt shearer27 วันที่ผ่านมา
  • Aims: make the car run well. Not get distracted by BBQ

    matt shearermatt shearer27 วันที่ผ่านมา
  • 😂 I’m dying! You guys are friggin awesome! 😆

    Marvin funtimeMarvin funtime27 วันที่ผ่านมา
  • Why didn't you open the old opti spark so we could have a look inside? If it has a problem, it's usually from water leaking into it. If it's already been replaced, I would hesitate to replace it again. Shut off all the lights and look over the plug wires to find any arcing. Or run your hand down each wire to check for a crack. Much more entertaining when you find it..

    Bad AxidentBad Axident27 วันที่ผ่านมา
  • It's funny to me people don't understand the optispark but then again I've literally studied the lt1 and its ignition system opti is also called A.B.I.T.S angle based ignition timing system

    Tyler NewburyTyler Newbury27 วันที่ผ่านมา
  • Jumping sparks dude that's no good

    john Washamjohn Washam27 วันที่ผ่านมา
  • He looks like Bobcat Goldthwait.

    Allen EdwardsAllen Edwards27 วันที่ผ่านมา
Corvette C4 Still Misfiring