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4th gear ratio for 4 speed

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Oleblue41

Post subject: 4th gear ratio for 4 speed

Posted: Wed Jan 04, 2012 5:48 pm

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Joined: Mon Dec 26, 2011 1:05 pm
Posts: 9

Anyone know what the fourth gear ratio is for a 1979 LUV 2wd 4spd? Need it to do some RPM calculations. Thanks,
Dan

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JoeIsuzu

Post subject: Re: 4th gear ratio for 4 speed

Posted: Wed Jan 04, 2012 5:54 pm

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Joined: Tue Sep 13, 2005 7:54 am
Posts: 1702
Location: Germantown, TN (right next to ElvisTown)

1:1.

Jack

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'83 Isuzu P'up Diesel LS - Original Owner
JoeIsuzu@IsuzuPup.com
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Oleblue41

Post subject: Re: 4th gear ratio for 4 speed

Posted: Wed Jan 04, 2012 6:14 pm

Junior Member

Joined: Mon Dec 26, 2011 1:05 pm
Posts: 9

Cool, thanks Joe!

Dan

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LUVTRKR

Post subject: Re: 4th gear ratio for 4 speed

Posted: Wed Jan 04, 2012 6:57 pm

Addicted to LUV

Joined: Thu Feb 25, 2010 11:52 am
Posts: 1124
Location: Hot Springs AR

This site is pretty helpful with gear ratio math

http://www.ringpinion.com/Calculators/

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Oleblue41

Post subject: Re: 4th gear ratio for 4 speed

Posted: Tue Feb 14, 2012 5:31 pm

Junior Member

Joined: Mon Dec 26, 2011 1:05 pm
Posts: 9

Hey Joe, what is the 5th gear ratio for a 83-87 P'up 5 speed?

Dan

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oldestisuzuist

Post subject: Re: 4th gear ratio for 4 speed

Posted: Tue Feb 14, 2012 11:02 pm

Assimilated into LUVTruck.com

Joined: Tue Oct 07, 2008 8:07 pm
Posts: 906
Location: N W Arkansas

.855:1

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'78 Chevy LUV,1.9,4sp,headers,31's,SAS Dana 30,Dana 20,SOA rear w/Aussie Locker, rough body, bought new 12/4/78.
'87 Trooper,2.3,5sp,headers,31's,ball joint flip & spacer,Aussie Locker rear,Superwinch hubs,brush guard w/5.5K winch,more to come.

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Oleblue41

Post subject: Re: 4th gear ratio for 4 speed

Posted: Thu Feb 16, 2012 5:08 pm

Junior Member

Joined: Mon Dec 26, 2011 1:05 pm
Posts: 9

Thanks Oldest!

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rodeobob

Post subject: Re: 4th gear ratio for 4 speed

Posted: Sun Feb 19, 2012 4:24 am

LUVTruck.com Lifer

Joined: Wed Aug 31, 2005 12:34 pm
Posts: 799
Location: Melbourne, Australia

Accoring to my info, to answer that last one you would need to know what spec the truck is.

1000kgs had 4.44
500kgs had 4.11

And they used different gearboxe ratio sets.

_________________
Current project, 1979 KB Isuzu Ute.

Daily driver, '86 Rodeo Spacecab.
Chasing parts for Isuzu Impulse.

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Oleblue41

Post subject: Re: 4th gear ratio for 4 speed

Posted: Wed Feb 22, 2012 6:21 pm

Junior Member

Joined: Mon Dec 26, 2011 1:05 pm
Posts: 9

I'm just looking to upgrade to a 5 speed. Don't have a trans yet. Will the stock 4 speed clutch work with a 5 speed say out of an '86 or so trooper? Thanks.

Dan

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oldestisuzuist

Post subject: Re: 4th gear ratio for 4 speed

Posted: Wed Feb 22, 2012 8:17 pm

Assimilated into LUVTruck.com

Joined: Tue Oct 07, 2008 8:07 pm
Posts: 906
Location: N W Arkansas

Yes.
But Troopers are all 4x4. Use any 2wd MSG-5 that was mated to a 2.3, '86-'95.

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Oleblue41

Post subject: Re: 4th gear ratio for 4 speed

Posted: Fri Feb 24, 2012 4:36 pm

Junior Member

Joined: Mon Dec 26, 2011 1:05 pm
Posts: 9

Thanks again Oldest!

Dan

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