454 mag problem
08-07-2005, 02:08 PM
#21
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Re: 454 mag problem
ok then lets start there see which one arn't firing, then check for spark at those cyls and pull the plugs then we can start to determine y they are not firing 
now we are getting somwhere
now we are getting somwhere
Last edited by GOODT; 08-07-2005 at 02:11 PM.
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08-07-2005, 06:08 PM
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Re: 454 mag problem
ok well we have to see whch cyl is dead fire the motor up and one at a time pull each plug wire off the cap and listen for rpm drop then replace it and go on to the next one till you find one with no change and that is the dead cyl use a pair of well insulated pliers this will tell you if you have a dead cyl or if we need to look elsewhere, ps we are not just looking for no spark! this will narrow everything down some
