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FBIRD69's 1969 Firebird

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    • Hi performance tubular control arms or,trailing arms are a tad more expensive than stamped steel OEM/OER replacements. However, the resist deflection more because they are stronger units.    Shop around. The GP is also on a Catalina/Bonneville chassis, I would be surprised if the control-arms or trailing arms for a 63 Chevy didn’t interchange. Chevy prices are often lower.    The cost factor you are dealing with is that this is a full size car and not an A or F body car. Therefore demand for full size performance suspension parts is a lot lower.
    • That’s a bad thing?    Really?
    • Chris or Fitzy,  have you seen this yet overthere?  The reruns here are getting real old, but still a good watch. Farmtruck and Azn have there own show for the trip.
    • Wow.... Had no idea it would be that pricey.  
    • I was wondering if anyone would be able to point me in the right direction. I have a 2006 Pontiac Grand Prix NA with 267,800 miles on it. For the past couple weeks it’s been misfiring under load (around 3.5K - 4K RPM). I’m kinda new to fixing stuff like this that isn’t easy (for me atleast) to figure out why it’s doing it. Before the engine was also stalling and misfiring until the Ignition Control Module got replaced and now it just misfires.  The 2 codes I have are P0420 and P0300. I had taken the car to a private shop previously to have a used transmission put in the car since the original transmission was on its last leg but it didn’t start having these problems till 2 1/2 months later. When I had taken the car back to him this time he replaced the ICM and it fixed the stalling he then told me the crankshaft position sensor seemed to be going bad and the timing chain might be stretching, and I believe he said that cylinder 2 was misfiring (could be wrong), he had originally thought it was the catalytic converter based off of what I had told him, and he told me it wasn’t and that the catalytic converter wouldn’t get that clogged and that it could essentially unclog itself (kinda sounds like bs to me so I’m not sure). The next day I get a Crankshaft position sensor code, so I replaced it and the code went away but still had a misfire. Talked to a friend he said to pull the plugs to the coil packs to see if the idle will change, did all 6 plugs and to me each one made the idle rougher so the coil packs are fine id assume. Backtracking to when this all started I had left a friends house going down there long driveway letting the car coast and then it stalls, I honestly can’t remember if it was the same night or the day before or after that I got the code P0303 for Cylinder 3 Misfire but I cleared it and it never came back. I didn’t feel the car miss like it is right now so it was kind of a surprise to see the code. Ever since then it had been stalling and misfiring till were I am now.    The P0420 code will normally come back a day after clearing the code.  I haven’t just been sitting around not trying to fix it so here is some things I’ve replaced I’m not made of money either so even if there is still I should of tried replacing I can’t afford too. Ignition Control Module Crankshaft Position Sensor Serpentine Belt MAP Sensor PCV Valve Spark Plug Wires   if anyone has a clue on what I need to check let me know and I’ll gladly do it, or if you know what the problem child is. Thank you for reading I probably said more than I needed too.
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