I replaced the starter (& solenoid) in my 69 chevelle and the problem seems to be getting worse. I replaced it because it degraded to the point of just clicking sometimes and other times would grind the flywheel. Year one suggested, and supplied, a rebuilt alumin. nose instead of cast since the motor is a 75 - 83 454. After installing the starter I tried to start the car. It would turn over at times and at times would grind the flywheel. I'll have to replace the flywheel since it must be more damaged than my limited inspection revieled. My questions are; 1) Since the car turned over some of the time but grinded at other times, could the problem be that this starter needs shims? There were none for the old starter and year one said none are not needed on big blocks. 2) The bellhousing doesn't appear to me to be a stock bellhousing but a full circle scattershield. If this is both a bellhousing and scattershield combo and not a stock bellhousing could this cause an alignment problem with the starter? I don't want to go through the trouble and expense of replacing the flywheel only to have the problem return.