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post #1 of (permalink) Old 05-21-2005, 11:42 AM Thread Starter
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258 Maximum RPM?

Yes I spent 30min searching, [img]/ubbthreads/images/graemlins/ooo.gif[/img] and nothing, none of my books either. [img]/ubbthreads/images/graemlins/wall.gif[/img]
I know it is relative too. For some reason I thought 3k, but other specs are above 3k.
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post #2 of (permalink) Old 05-21-2005, 11:52 AM
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Re: 258 Maximum RPM?

Don't know the answer, but I have cruised on the Interstate for long distances at between 3000 and 3200 RPM
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post #3 of (permalink) Old 05-21-2005, 12:01 PM
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Re: 258 Maximum RPM?

my old 258 would redline around 4200 or so if i rember correctly....its been a while

its not really a fast turning motor

i also would cruise hwy at 3k ish
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post #4 of (permalink) Old 05-21-2005, 12:26 PM
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Re: 258 Maximum RPM?

Definately higher than 3000 rpm. The factory tach has a sort of marking on it, but I'm not sure if that corresponds to a redline (do we define that as a maximum sustained rpm or simply max rpm for any time period?). In my estimation, its a waste to rev a stock motor above around 3800-4000 rpms as it feels like its running out of power above that. No problem revving mine to 3500 rpm for shifts, if a lower gear needed for torque to get it up to speed before shifting into overdrive.
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