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  1. coachdtierney54

    Rear Brake Shoe Width

    How do I know if I need a 13x2.5 or 13x3.5? I'm trying to avoid taking the dual rear wheels off multiple times to find out Thanks! Sent from my XT1710-02 using Tapatalk
  2. coachdtierney54

    Timing

    Just a general question, but do aftermarket products such as headers, carbs, exhaust, and distributor effect the timing of the engine? Sent from my XT1710-02 using Tapatalk
  3. coachdtierney54

    Parking brake pedal

    Hi guys, My parking brake pedal is currently held up by wires. If I remove the wires, the pedal slowly goes down and activates the brake light on the instrument panel. Is there a way to tighten the cable for the parking brake or do I need to replace the cable? As always, thanks for your...
  4. coachdtierney54

    Rebuild or Replace

    Ok guys I need a lot of help (again). I have been told the transmission on my 85 C30 is shot and needs to be rebuilt or replaced. I'm looking for you your thoughts on this topic and what I should be expecting as far as cost. AutoZone has a new transmission for $1000. I'm thinking a rebuild is...
  5. coachdtierney54

    So where do I start?

    First, I apologise in advance if I'm posting this in the wrong area. I have a 1985 C30 with a 454. It's stuck in a forward gear (not sure which one). I'm ready to buy a rebuild kit, but my friend thinks the problem might not be within the transmission. He's not around to ask at the moment so I...
  6. coachdtierney54

    Is my transmission starting to go?

    On these cooler days I'm noticing that my tranny does not want to work until the engine is warm. Once the engine is up to temp it's fine. Any thoughts? Sent from my XT1254 using Tapatalk
  7. coachdtierney54

    What can cause a backfire?

    I live on a mountain. Whenever I coast down the mountain I hear several popping noises coming from the exhaust. Once I slow down to about 35-40 mph, it stops. It's an 85 C30 with a 454. I have tried to retune the carb thinking it may be running too rich, but that did not help. Could it be a...
  8. coachdtierney54

    What oil should I use?

    I thought I had seen this post in the past but I can't find it now. I have an 85 C30 Scottsdale with a 454 big block. I recently changed the oil and now the engine runs very hot at idle but when I resume driving, the temp returns to normal. I used a 10w-30 high milage oil. Could this be the...
  9. coachdtierney54

    Header question

    I'm sorry if someone has asked this previously, but can a round header tube be applied to the rectangular exhaust ports on an 85 C30 with the 7.4 454 big block? If so, do I use round or rectangular gaskets? Sent from my XT1254 using Tapatalk
  10. coachdtierney54

    JB7, JD7, or JB8

    New to the forum. I have an 85 C30 that needs a brake job. When I went to AutoZone, they asked what brake system I have. The tech told me to check the label inside the glove compartment. I checked, but none of these codes are present. Any idea what I need to buy? Thanks! Sent from my XT1254...

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