LCGTR Opel box
Started by
_1971LCGTR_
, Jul 06 2008 09:26 PM
10 replies to this topic
#1
_1971LCGTR_
_1971LCGTR_
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Posted 06 July 2008 - 09:26 PM
If i were to change a Opel box to a M20 what would have to be changed?Are the tailshafts the same?and would the console have to be changed to a LJ?linkages?I have the original Opel in at the moment but have been advised to maybe put a M20 in (opel makes noise).I would like to know what modifications would have to be made ,if any,for this.Thanks
#2
2600s
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Posted 06 July 2008 - 10:22 PM
My Opel also makes noise and will eventualy be rebuilt.
I would leave the Opel and have it repaired if you have a genuine car.
"Cheers"
Alf
I would leave the Opel and have it repaired if you have a genuine car.
"Cheers"
Alf
#3
limo
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Posted 06 July 2008 - 10:31 PM
tailshaft is same
need M20 linkages
can use LC console but you need to remount slightly to rhs of current position
and you may need to grind a bit out underneath on lhs, there is a curved section below gearstick that may need to be enlarged
also clutchplate is different
need M20 linkages
can use LC console but you need to remount slightly to rhs of current position
and you may need to grind a bit out underneath on lhs, there is a curved section below gearstick that may need to be enlarged
also clutchplate is different
#4
Dr Terry
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Posted 07 July 2008 - 08:45 AM
Hi 1971LCGTR.
To change from an Opel 4-speed to an Aussie 4-speed, you will need
Gearbox with linkages, bellhousing etc.
Clutch pate
Tailshaft & yoke
Crossmember
Speedo cable
The console is different but you can just move the original one, slightly.
By the way, it's only a small point, but an Opel is also an M20, so it's best to refer to the newer gearbox as an 'Aussie 4-speed'.
Dr Terry.
To change from an Opel 4-speed to an Aussie 4-speed, you will need
Gearbox with linkages, bellhousing etc.
Clutch pate
Tailshaft & yoke
Crossmember
Speedo cable
The console is different but you can just move the original one, slightly.
By the way, it's only a small point, but an Opel is also an M20, so it's best to refer to the newer gearbox as an 'Aussie 4-speed'.
Dr Terry.
#5
_threeblindmice_
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Posted 07 July 2008 - 09:50 AM
I'm with 2600s it would be best in your car , but if it's for sale PM me .
#6
frash da bucket
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Posted 07 July 2008 - 10:23 AM
If youre car is original,with the opel,i'm with tbm,cheers.
#7
_oz772_
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Posted 07 July 2008 - 11:32 AM
I see limo says the tailshafts are the same, but Dr Terry says they are not. Just wondering which one is correct, and if there is a difference, what it is?
#8
_1971LCGTR_
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Posted 07 July 2008 - 07:06 PM
Maybe the lengths of the tailshaft is different.Thanks for all your thoughts ,ithought maybe i would change to a aussie 4 speed because they are cheaper to rebuild but this gearbox does belong to the car ,so maybe keeping it and one day rebuilding it could be a better option (on the 12th of never)it makes a whine ing sound and going by previous posts a rebuild could cost $900.Cheers Paul.
#9
_tuffgong_
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Posted 08 July 2008 - 06:43 AM
The dr is right the tailsharft will need changing, but i would stick with the original items if you are keeping the car, and if you do decide to swap over i have plent of complete set ups i would swap in a jiffy.
cheers john
cheers john
#10
_LC870_
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Posted 08 July 2008 - 08:30 AM
The Opel tailshaft is about 4 inches longer due to the Opel gearbox being much shorter than an Aussie 4 speed box , and therefore cannot be interchanged .
You must use a tailshaft out of a LC - LJ , factory automatic car or 3 speed car ( auto or manual ) .These tailshafts are all the same length as an aussie 4 speed one.
I hope this clears things up for you .
Regards LC870 .
You must use a tailshaft out of a LC - LJ , factory automatic car or 3 speed car ( auto or manual ) .These tailshafts are all the same length as an aussie 4 speed one.
I hope this clears things up for you .
Regards LC870 .
#11
_oz772_
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Posted 08 July 2008 - 10:04 AM
Thanks. I thought that may have been the case.The Opel tailshaft is about 4 inches longer due to the Opel gearbox being much shorter than an Aussie 4 speed box , and therefore cannot be interchanged .
You must use a tailshaft out of a LC - LJ , factory automatic car or 3 speed car ( auto or manual ) .These tailshafts are all the same length as an aussie 4 speed one.
I hope this clears things up for you .
Regards LC870 .
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