jmdikohncharternet
New member
5.7 mercruiser thunderbolt 5 i
5.7 mercruiser thunderbolt 5 ign
i grounded the ignition timming wire to the block {the white purple wire on top of intake manifold started motor ran at 600 rpm set timming at 8 before tdc stop motor disc ground recheck timming timming is at 8 deg btdc at 600 and goes to aprox 10-12 btc at 3500 puzzled
5.7 mercruiser thunderbolt 5 ign
i grounded the ignition timming wire to the block {the white purple wire on top of intake manifold started motor ran at 600 rpm set timming at 8 before tdc stop motor disc ground recheck timming timming is at 8 deg btdc at 600 and goes to aprox 10-12 btc at 3500 puzzled