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Discussion Starter #1
just finished rebiuling my motor with 20 over pistons and 261dg cam. Timing is on and valve clearences ok. but it still idels ver rough and has virtually no power. Please help.
 

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Get to basics and perform a compression check.

Also, a distributor can be installed a bunch of times, and STILL not be right. Take an OLD distributor cap and cut/drill an inspection hole in the #1 position. Punching out the metal terminal will help.

Line up the crank @ 0 degrees on the #1 compression stroke, install the distributor, and ensure the rotor and #1 cap tower are directly over each other.

I had a similar problem after a HG replacement, and this process worked perfect! Total cost:$0.00
 

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Trailer Trash Engineer
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^nice trick, I'll have to remember that.
Also, check your cam timing. If thats off, you could have the same symptoms. Check your vacuum.
 
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