The GM minis (gear reduction) are excellent starters. Strong, compact, and lower current draw than the fullsize/midsize starters. Be sure to get the correct bolts when you get one as they are about 1/2" shorter than the fullsize starter bolts and you MUST use the correct bolts. No using washers or whatever to shim up the long bolts, or face impending disaster (broken starter nose cone, bolts broke off in block, starter pad on block cracked!)
These have been used in OEM applications from the early 90's on some vehicles (like some Caprices) and hit the fullsize trucks starting in 94.
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You can get one for like $50-$60 from dbelectrical, if you want to go new. Not sure if they offer the bolts. If not,
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Richard