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Author Topic: Re: Info about my 68 camaro  (Read 421 times)
Matt f
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« on: January 26, 2015, 04:03:44 AM »

Hey fellas!

Having a 12 bolt diff with 3:73 ratio and multi leaf springs would that have been traditionly been specified for typically the more ppowerful cars? Or is this high ratio diff more specified for other needs
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VINCE Z28
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« Reply #1 on: January 26, 2015, 10:02:59 AM »

They are considered performance gears used on Z-28's quite a bit.
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" He who knows naught, knows not that he knows naught"  It's not you...  It's just the way my brain is wired.
ko-lek-tor
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« Reply #2 on: January 26, 2015, 06:24:29 PM »

Hey fellas!

Having a 12 bolt diff with 3:73 ratio. Or is this high ratio diff more specified for other needs (?)[sic]

high ratio diff...Mattf ?, that would be a low ratio diff. Low ratio = high numerical
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Putting you First...Keeps me First. Talent on loan from God. Helping the hobbyist and exposing the fraud
1969 SS/RS 396 coupe Hugger Orange X22 712 bought in 79
1969 SS 350 coupe LeMans Blue 713 bought in 79
1969 307 4spd. coupe Daytona Yellow 711 bought in 85
Matt f
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« Reply #3 on: January 26, 2015, 06:37:59 PM »

Woops sorry. So would that be more for long distance high speeds/fuel economy or short distance speed
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ko-lek-tor
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« Reply #4 on: January 26, 2015, 07:02:38 PM »

low numerical numbers I.E. 2.73 or High ratio would translate into a high speed performance type ratio with less torque multiplication translating to not as much off the line performance, like when starting out at a traffic light. Conversely, High number 3.73, 4.10 and higher, translate to  off line, hard acceleration performance because of greater torque multiplication usually sacrificing performance at highway speeds because of the higher RPMs  sacrificing economy [not to mention ear drums and fillings](try'n to keep it simple,not easy). 3.73 considered the best compromise of  regular driving "streetability" and spirited performance. of course tire diameters can affect in the same way, but that is another story.
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Putting you First...Keeps me First. Talent on loan from God. Helping the hobbyist and exposing the fraud
1969 SS/RS 396 coupe Hugger Orange X22 712 bought in 79
1969 SS 350 coupe LeMans Blue 713 bought in 79
1969 307 4spd. coupe Daytona Yellow 711 bought in 85
Matt f
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« Reply #5 on: January 27, 2015, 02:04:02 AM »

No worries thanks for the explanation! Wink
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