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4jb1 4jg2 4jh1 gearbox

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4jb1 4jg2 4jh1 gearbox

Postby isuzurob » Sat Dec 01, 2018 4:18 pm

Has anyone got above manual gearboxes?? Have just blown my 5th gearbox in 11 month got no 1st 2nd 3rd 5th and reverse
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Re: 4jb1 4jg2 4jh1 gearbox

Postby geeves » Sun Dec 02, 2018 2:23 pm

What are you doing to them?
Sanding your knuckles before starting work can help. That way you cant skin them
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Re: 4jb1 4jg2 4jh1 gearbox

Postby isuzurob » Sun Dec 02, 2018 5:13 pm

Just strips the teeth off the gears 5th is first to go then just down hill from there, to much power and torque
isuzurob
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Posts: 1649
Joined: Mon Jun 07, 2010 6:12 pm
Age: 25
Country: New Zealand
City: Taupo
Vehicle: 1990 Isuzu Bighorn 2.8t/d, 3" extended shackles, 2" body lift, 33" silverstone extreme tyres, Front+rear bars, winch with 40m dyneex rope, 21/2 inch exhaust, lokka's front+rear, custom turbo, emissions removed, injector pump modified and more

Re: 4jb1 4jg2 4jh1 gearbox

Postby pig75 » Tue Dec 04, 2018 7:10 am

Petrol box is the same just have to change the bellhousing end
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Re: 4jb1 4jg2 4jh1 gearbox

Postby isuzurob » Tue Dec 04, 2018 5:24 pm

Petrol are hard to come by in nz hence looking for diesel boxes
isuzurob
Global Moderator
 
Posts: 1649
Joined: Mon Jun 07, 2010 6:12 pm
Age: 25
Country: New Zealand
City: Taupo
Vehicle: 1990 Isuzu Bighorn 2.8t/d, 3" extended shackles, 2" body lift, 33" silverstone extreme tyres, Front+rear bars, winch with 40m dyneex rope, 21/2 inch exhaust, lokka's front+rear, custom turbo, emissions removed, injector pump modified and more


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