Quote:
Originally Posted by captc94
So I figured out that the vibration occurs around 2000/2100 rpms. It does happen in 1st through 4th if I get it to that level of rpms. The vibration mostly stops if I push past that rpm in the same gear.
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seeing as it is a 94, you have the lt1 motor. when an optispark starts going bad, it will cause a vibration from 1500-2500 rpms.
here are some other reasons
http://www.corvetteforum.com/forums/...-2000-rpm.html