Trans ratio, 914/4 versus 6 |
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Trans ratio, 914/4 versus 6 |
retrotech |
Jan 9 2004, 11:13 PM
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#1
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retrotech Group: Members Posts: 470 Joined: 2-November 03 From: Mosier, Oregon Member No.: 1,302 |
Can some one tell me the difference between 4 cyl. ratios & 6 cyl. Basically are the gears raios closer on which one? Which has the lower ratio, ie lower max speed per gear.
Thanks |
redshift |
Jan 9 2004, 11:47 PM
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#2
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Bless the Hell out of you! Group: Members Posts: 10,926 Joined: 29-June 03 Member No.: 869 |
From memory...
/4: A, F, N, V, ZD /6: A, GA, O, V, ZA.. I think.. The 6 has a GA mainshaft, 2,3 are higher, 5 is lower, obviously. M |
retrotech |
Jan 9 2004, 11:54 PM
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#3
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retrotech Group: Members Posts: 470 Joined: 2-November 03 From: Mosier, Oregon Member No.: 1,302 |
So if you were running a 6, with 4 gear ratios, wouldn't that be good? Closer, lower, mid range gears with more torque, and a longer [higher rpm] 5th gear.
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retrotech |
Jan 9 2004, 11:55 PM
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#4
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retrotech Group: Members Posts: 470 Joined: 2-November 03 From: Mosier, Oregon Member No.: 1,302 |
Or did I get that just back wards?
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redshift |
Jan 9 2004, 11:58 PM
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#5
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Bless the Hell out of you! Group: Members Posts: 10,926 Joined: 29-June 03 Member No.: 869 |
Hey, found what I was looking for, and my memory works!
http://members.rennlist.com/chuxter/901&915ratios.htm Changing either car, to the other's transaxle (stock) would not be a huge change. If you have MS Excel, you can d/l the ratios.xls, and play with speeds_in_gears. I deleted all the rpm cols. except for 3500-4500 and redline. M |
campbellcj |
Jan 10 2004, 12:56 AM
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#6
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I can't Re Member Group: Members Posts: 4,574 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California |
What's good for you, gearing wise, largely depends on 3 variables:
1) What you mostly use the car for, i.e. autox, tt/race, or street 2) What flavor of six you have, i.e. a high-revving small displacement or a 3.8 torque monster 3) Your tire height/circumference. Short tires have an effect of shortening gearing, and vice versa. For my purposes (track) the stock -4 gearing was off. It was fine for street driving but did not allow good use of the powerband in canyon carving or track events. I recall that John Rogers found exactly the same thing, but we have slightly different gears in our new gearboxen... |
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