When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
does anyone know if its possible to set the timing on the opti spark system whithout hooking it up to a computer? I have a 95 z28 with a lt1 and it think the timing is a little off...
The opti is controlled by the PCM and cand be moved unless you use a compter programer. Where are you from i know a good LT1 specialist in upland,california.