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  1. TSALI137

    AC Delco 41-993 spark plug issues

    Has anyone had issues apart from the one post of no start on new plugs? It's a couple years old now. So I put new engine in a year ago and fast forward 12,000miles or 18months, and I'm fixing to have to install a new set of plugs wires and distributor cap. Mainly plugs, but here's the kicker...
  2. TSALI137

    PRNDL switch

    I don't mean to sound stupid, but can someone tell me what a prndl switch is verses the 4l60e neutral safety switch. Pretty sure it's the same thing but apparently not according to what I'm being told now by the people who tuned my truck. If anyone wants to hear some crazy stuff private message...
  3. TSALI137

    High idling in gear and taking long time to idle down at a complete stop

    Problem solved, had to replace upper plenum. Check out my smoke test if you like. https://photos.app.goo.gl/CanpoZzDTDxaWLR78 Hey I have an issue and based on my search most have the same type of high idling issue on older TBI models. Just had my new engine Dyno tuned with the 0411 PCM swap...
  4. TSALI137

    Won't idle, new 5.7 vortec crate engine, all new everything and 0411pcm

    Watch the video in the link, https://photos.app.goo.gl/kkNjVZGdbMum4dF88. It won't idle ,no codes on new ATK HP74 315+HP crate engine. Fixed vacuum leak and now it runs worse than it did sucking air past injector assembly. I honestly don't think they tuned the 0411pcm correctly. I'm beyond...
  5. TSALI137

    EGR TUBE DELETE MALE PORT CAP

    Anyone know where to order a female flared threaded cap for the EGR tube on the OEM exhaust manifold or headers. I've found the male threaded plug from summit racing for the intake manifold. However I can not find any company that sells a 7/8-15 flared threaded cap to go on the male port of the...
  6. TSALI137

    Mass airflow sensor upgrade on 5.7l vortec

    Any advice on upgrading the stock factory MAF sensor on a 97 Chevy 5.7l 315hp performance engine? Which of these three is the best one, Jet powr flo 69100 $302+. Granatelli Motor Sports® - Black Mass Air Flow Sensor with Cold Air Tuning 350113-C $420.85. Edelbrock 95mm black plastic racing...
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