348/409 Balancer

[sdb348]

:bang :bang I see in the parts interchange section in note that timming marks must be adjusted .witch way and how much:bang :bang

[john h]

On 409 harmonic balancers the timing mark lines up with the groove for the crank key. John H.

[sdb348]

my 348 is to. I got a aftermarket off e-bay.on my rebuilt motor I have a little puffing out the injector ports. trying to figure out if it timming,weak spring or something else :bang :bang

[models916]

Mark is off by 10 degrees. Show Cars sells the corrected bolt on tab to use any modern SBC damper and the marks will be correct.

[sdb348]

thank you . whitch wayadvacned or retarted