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Cuda-Challenger.com
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Chryco's Tech Shop
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Transmission and Drivetrain
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Chryco Psycho
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Calculating the diff ratio
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Topic: Calculating the diff ratio (Read 1197 times)
dlrogers
Jr. Member
Posts: 134
1971 Challenger 383
Calculating the diff ratio
«
on:
April 10, 2006 - 01:27:54 AM »
Hi all
This may be a dumb question but...is it possible to calculate the gear ratio in the diff by rotating the wheel a full turn and counting the number of revolutions the drive shaft turns through??? Or any other way you could suggest - my speedo reads quite fast and I need the ratio to order the correct drive wheel for the end of the speedo cable. Any help would be gratefully received.
Cheers
David
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Bay of Islands, New Zealand
ShelbyDogg
Sr. Resident
Posts: 5007
Re: Calculating the diff ratio
«
Reply #1 on:
April 10, 2006 - 12:35:55 PM »
Thank link is dead, so to answer the question, YES, one turn if there is a posi in it. If not a posi, 2 full turns with the other tire still on the ground. Counting the driveshaft revs.
Rob
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Rob
3 E-bodies, Megasquirt-1v3.0, Edelbrock Pro-Flo-1, Holley C950, FAST EZ-EFI; say no to carbs...yes to throttle bodies
My Pace Car restoration thread:
http://www.cuda-challenger.com/cc/index.php?topic=44869.0
dlrogers
Jr. Member
Posts: 134
1971 Challenger 383
Re: Calculating the diff ratio
«
Reply #2 on:
April 10, 2006 - 01:30:15 PM »
OK, thanks for that.
Cheers
David
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Bay of Islands, New Zealand
73EStroker
Sr. Member
Posts: 1343
Re: Calculating the diff ratio
«
Reply #3 on:
April 16, 2006 - 04:37:30 PM »
Hey DL, I am in Pukekohe and will be somewhere near Whangarei, Matapouri, Hukeranui late this week. Email me at ntgolden.xtra.co.nz or phone 092388643. Also if NZ440R/T reads this much the same as well. I will be at the V8 races at Pukekohe this coming weekend.
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Barry (Salmon Arm)
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Calculating the diff ratio