Author Topic: what will be my top speed  (Read 651 times)

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bayou bogger

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what will be my top speed
« on: Nov 28, 2011, 10:59:03 AM »
installing 5:29 gears in both axles of 1979 toyota pickup truck. With original 20r motor, L43 4 speed trans, and 33in super swampers. Just want to now what will my top speed be around.

rattlers

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Re: what will be my top speed
« Reply #1 on: Nov 28, 2011, 12:31:18 PM »
 you will be going aprox
                
rpm        1st      2nd       3rd        4th

2200     11.0      19.1      27.8      40.3 mph   
2300     11.5      20.0      29.1      42.2                
2400     12.0      20.9      30.3      44.0               
2500     12.5      21.7      31.6      45.8                 
2600     13.0      22.6      32.8      47.7                 
2700     13.5      23.5      34.1      49.5                 
2800     14.0      24.3      35.4      51.3                 
2900     14.5      25.2      36.6      53.2                 
3000     15.0      26.1      37.9      55.0                 
3100     15.5      26.9      39.2      56.8                
3200     16.0      27.8      40.4      58.7                 
3300     16.5      28.7      41.7      60.5                
3400     17.0      29.5      43.0      62.3                
3500     17.5      30.4      44.2      64.2                 
3600     18.0      31.3      45.5      66.0                 
3700     18.5      32.1      46.7      67.8                
3800     19.0      33.0      48.0      69.7                 
3900     19.5      33.9      49.3      71.5               
4000     20.0      34.8      50.5      73.3                 
4100     20.5      35.6      51.8      75.2                 
4200     21.0      36.5      53.1      77.0                
4300     21.5      37.4      54.3      78.8                 
4400     22.0      38.2      55.6      80.7           
4500     22.5      39.1      56.9      82.5                
4600     23.0      40.0      58.1      84.3                 
4700     23.5      40.8      59.4      86.2                
4800     24.0      41.7      60.6      88.0                
4900     24.5      42.6      61.9      89.8                
5000     25.0      43.4      63.2      91.7                
5200     26.0      45.2      65.7      95.3  
« Last Edit: Nov 28, 2011, 05:56:00 PM by rattlers »
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Snowtoy

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Re: what will be my top speed
« Reply #2 on: Nov 28, 2011, 07:51:20 PM »
If you want to run the numbers yourself, these Auto Calculators and Marlin's Transmission Gear chart will give you all the info you could want/need for finding rpm, engine speed, crawl ratio, etc., for any type of tire/gear/transmission combo.
'90 black X-cab mod'd 3.0, 33's/4.88's, rear ARB, custom bumpers, sliders, safari rack, etc.
'91 Blue X-cab 22re, 35's/5.29's,Truetrac front, ARB rear, dual cases, and custom Safari flatbed, bumper, interior.
The money pit '87 Supra resto/mod

 
 
 
 
 

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