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Maclab58 · 03-13-2015, 06:20 PM

Put a snyders 5.5 head on my cabriolet a few weeks ago........... It has been a roller coaster! It's a balanced engine that ran very well prior to the head change, while it certainly has more power it doesn't run as smooth. I have replaced the plugs, coil, rotor, cap, coil, cleaned the carb, replaced the fuel filter, timed it 3 times, played with the GAV and spark advance......... Suggestions???????? I'm almost ready to pull the head off and put the stock head back on.

03-13-2015, 06:20 PM	#1
Maclab58 Senior Member Join Date: Jul 2010 Location: Wichita Falls, Texas Posts: 983	HC head frustration Put a snyders 5.5 head on my cabriolet a few weeks ago........... It has been a roller coaster! It's a balanced engine that ran very well prior to the head change, while it certainly has more power it doesn't run as smooth. I have replaced the plugs, coil, rotor, cap, coil, cleaned the carb, replaced the fuel filter, timed it 3 times, played with the GAV and spark advance......... Suggestions???????? I'm almost ready to pull the head off and put the stock head back on.