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    Metal fuel line replacement from the Water Sep filter to the fuel pump

    I have a difficult time changing the water separator filter because the metal compression fuel line is in the way. I removed it once to get it out of the way and could not get it back on. Is it ok to use the Sierra flexible fuel line to replace the rigid metal line for this application? The...
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    Merc 2003 5.0 to 5.7 conversion causes backfiring

    I have a 2003 5.0 Merc that had a cracked block. After $5K and a new long block converted the motor to a 5.7L. I took it to the lake and at 3000 RPM it backfired and had no power. The shop says it may be timing or maybe needs a new ECM which is $1300. Can the old ECM be re-flashed? Any ideas?
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