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What is the recommended redline for my '76 spider? It easily pulls to 6500 in gears 1-4.

Bob
 

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With stock cams it makes peak power at a little over 5000 rpm so there is little point in revving it above 6000 to stay in the power band. In my experience a stock motor can be safely revved to 7000 rpm provided that you don't hold it there for very long. 7000 rpm shifts are fine but it only makes sense with a modified motor that makes peak power at over 6000 rpm.
 
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