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Old 04-01-2007, 04:46 PM   #1
Ramblin Fever
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Surferfletch - have a ??, what RPM's are

you running at 70mph, flat-land highway, no wind, no load??

Trying to figure what my gear-ratio is in the Rodeo; started at 4.3; but with running 32" tires, I've never really questioned before what it is now.

I'm right at 2,100 rpm's at 65mph, and almost right on 2,500 rpm's at 70mph
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1997 3.2L V6 Rodeo
32" Yoko's, 16x8 MB Wheels, 2" lift, Brushguard, KC Fog's, Loadwarrior Rack
On it's way to 185k strong


2004 3.4L Tacoma TRD off-road 4x4 Double cab
32" Yoko's, Westin Bull-bar, KC Fogs 60K miles
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Old 04-01-2007, 04:53 PM   #2
surferfletch
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Re: Surferfletch - have a ??, what RPM's are

Don't know. Let me check it for you.
The tag on the rear diff says 4.3.
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1997 Isuzu Rodeo LS 3.2L V6 SOHC 4L-30E Dueler Alenzas 4x2

1997 TJ Sport 4.0L D35 rear 5 spd 31" Dayton Timberline ATs

1996 VW Jetta GLS 2.0L 5 spd
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Old 04-01-2007, 05:01 PM   #3
surferfletch
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Re: Surferfletch - have a ??, what RPM's are

Just over 2500 at 70 mph on my 245 70R 16s (29.4"x7.5"). In a 40 mph zone. Your welcome!
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1997 Isuzu Rodeo LS 3.2L V6 SOHC 4L-30E Dueler Alenzas 4x2

1997 TJ Sport 4.0L D35 rear 5 spd 31" Dayton Timberline ATs

1996 VW Jetta GLS 2.0L 5 spd
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Old 04-01-2007, 05:48 PM   #4
Ramblin Fever
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Re: Surferfletch - have a ??, what RPM's are

Quote:
Originally Posted by surferfletch
In a 40 mph zone. Your welcome!
Now, now, don't need to be gettin any tickets on my behalf!!

Thank you!!
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1997 3.2L V6 Rodeo
32" Yoko's, 16x8 MB Wheels, 2" lift, Brushguard, KC Fog's, Loadwarrior Rack
On it's way to 185k strong


2004 3.4L Tacoma TRD off-road 4x4 Double cab
32" Yoko's, Westin Bull-bar, KC Fogs 60K miles
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Old 04-01-2007, 07:38 PM   #5
Gizmo42
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Re: Surferfletch - have a ??, what RPM's are

(new diameter/old diameter)xold axle ratio = new axle ratio

example:
(29" / 32")x4.30= 3.896875 (3.90)
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