Guest FloridaRust Posted October 11, 2014 Share Posted October 11, 2014 Well finally got my car running smoothly with new oil change and bled my radiator juices from the block and cleaned it all up with new fluids. Was wondering about why on my 425 engine it has a black air cleaner filter? I thought most were orange colored filters. And my compression levels on my car are reading in high 90's to 110 compression levels which I think are good for 85000 miles. Also I learned that the A/c unit must come from a refrigerator cause it is freezing Cold when I turn it. Other than that does this particular car need the leaded alternative for gas due to the valves having carbon or something and running without it ruins the head or idk been awhile. (Only 22 years of age and got a week before basic: So im in crunch time with my car project) Thanks everyone for the info and help. Link to comment Share on other sites More sharing options...
Tedd Thompson Posted October 12, 2014 Share Posted October 12, 2014 Not to worry, I'm still running a high compression 327 on unleaded gas and no problems for the last 20 years. If I were to re do the heads I would have the new hardened seats but until then I'll run what I have now. Link to comment Share on other sites More sharing options...
rocketraider Posted October 21, 2014 Share Posted October 21, 2014 Two-barrel engines had black airfilter housings. The same people made your A/C compressor that made FrigidAire refrigerators and freezers. Link to comment Share on other sites More sharing options...
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