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Can I put a 4hdd8 in a VR with a 4hdd?

Damobirch

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Hi I have a blown gearbox with a 4hdd. Can I put a recon 4hdd8 into it? Will I require any mods? Cheers
 

soop

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Don't take this as gospel, But I don't think so .
VR gearboxes are bastard things, you need the exact same gearbox as whats already in the car.
 

Damobirch

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It is a vr gearbox the 4hdd8. So should it be okay?
 

TheForgotten

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4HDD8? i think you're reading it wrong.
4HDD is '93/'94 v6 floor shift box. there is no 4hdd8. all ACDelco transmissions have a 1 numeric/3 alpha code.
the way to work it out is this. the number represents the year it was built, in this case 1994
H represents holden, as the box is used by many car builders.
D represents the engine or shifter configuration (D = floor shift v6, C = column shift v6, B = v8)
D represents electronic control (M being hydraulic)

but to answer the question, a 4HDD can be replaced by a 4HDD
 
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