final drive ratios

["Dave M." <doc1590@domain.elided>]

I'm pretty sure that the 4.10 and the 4.55 were not
the only ratios in the spider.  We have a rear from a
1977 Spider that has a 4.87 final.  It was my
understanding that several years (Spica???) had this
ratio.  The '83 Bosch had a 4.55 and we replaced it
with the 4.87 for racing.  That's all I know!  
(Well, there ARE a couple other things I know, but I
can't think of them right now!)

dave miller
deltona, florida 

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