VN series 1 Gearboxes

[Mr Squishi]

I understand that for some reason you apparently can't convert an auto Series 1 VN to manual (and manual to auto?)
I'm just curious to know if that applies to V6s, V8s, or both.
I assumed it would be both since as far as I know they use the same gearboxes.

Anyone know?

[Boonz]

might have something to do with the crank not having a spigot bearing housing machined into it???

[dodgy]

buy an adaptor from CRS or a S1 auto flywheel for a manual, I have done it before, quite easy. Do a search!@

[SthEastCustoms]

might have something to do with the crank not having a spigot bearing housing machined into it???

He's right i looked into it and you need to put the bearing into it and get the right flywheel

[dodgy]

The only issue is that a s1 auto is a 6 bolt and the s2 and manuals were an 8 bolt crank, the spigot bush is a genuine part and works fine. all you need to so is convert from the 6 to 8 bolt.

See here the 6 bolt flywheel from CRS

[immortality]

yep, the series 1 manual has a different crank to the auto. there are conversion kits(flywheels to suit the different crank 6bolt patern) avail as mentioned above so no real hassle.

[Mr Squishi]

Great, thanks for the info people.

[petroleum]

so does that mean if you have a series one motor and buy a 6 bolt flywheel u will be right?

[dodgy]

YES.

I have personally converted a S1 Auto to Manual with the flywheel above

The only thing you need to do is put the ring gear on the flywheel

[Rhino Racing]

Try marks 4wd adaptors or Castlemaine Rod Shop in vic.
I bought a new flywheel from the Rod Shop and it had a ring gear on it.
Was the cheaper and better option for me.They were really helpful.
Also keep in mind that the starter is different.

[samuels]

I understand that for some reason you apparently can't convert an auto Series 1 VN to manual (and manual to auto?)
I'm just curious to know if that applies to V6s, V8s, or both.
I assumed it would be both since as far as I know they use the same gearboxes.

Anyone know?

yes series 1 is different to series 2 as advised by others, one cheap way out of it is to by the adaptor from CRS,but is it really a cheaper alternative?(ive heard it's about $500),by the time you get a pedal box(if you haven't already got one)...a manual tailshaft,as autos are longer,your cheapest bet is to find a complete series one motor and box with wiring harness,pedal box,clutch cable,depending on the clutch condition,you may be able to get away with out a new clutch,gear shift insert,as autos plastic mould is different.i believe series 2 manual flywheels are as rare as hens teeth.i have a complete series 1 motor and 5 speed box and all accesories to go,i'm looking at $1400 O.NO

[samuels]

so does that mean if you have a series one motor and buy a 6 bolt flywheel u will be right?

No you won't...auto cranks are different in inner circumference

[dodgy]

No you won't...auto cranks are different in inner circumference

You can convert a V6 S1 auto to manual with a CRS adaptor or flywheel! (or Marks4WD)

Stop misinforming and put your engine and box in the for sale section.

I was sick of the crap from the "no you can do it" people trying to flog their own crap, when the option is there for a flywheel (~$350) with their own engine.

I also said that the spigot bush fits and is still stocked by Holden (about $6)
Its a straight spigot, not the stepped version (as i remember)

[Rhino Racing]

The series 1 vn came out with a 6 bolt centre.The pcd is Approx 90 mm and weighs 10.1 kg.The flywheel has a bias weight on the back of it..... so it is unbalanced.( to help balance the motor)

Series 2 flywheel is a 8 bolt centre. The pcd is Approx 65 mm and weighs lessthan 9.2 kgs. This flywheel is balanced.
Series 2 engine has a shorter crank by approx 30 mm. So the shape of the back of the flywheel is different.
I have machined up a spacer ( 1 kg) that will allow me to fit the series 1 flywheel to the series 2 motor.....
Only trouble is it means that i will be running a flywheel that is 2 kg heavier than standard series 2..... totally wrong for my application.... if i have got to run this i may as well keep the race car in the shed........ wont get the thing to rev how i need it too.
Solved the problem by buying one from The Castlemain Rod Shop.

Holden australia do not have one of these.

Also have a read of these.
Sorry do not know how to attach a link!!!! My bad!
Problems replacing a series 1 with a series 2

HELP!!! Series 1 & series 2]

http://Pics as promised

http://HELP!!! Series 1 & series 2

Hope this helps shed some light.
Rhino

[samuels]

You can convert a V6 S1 auto to manual with a CRS adaptor or flywheel! (or Marks4WD)

Stop misinforming and put your engine and box in the for sale section.

I was sick of the crap from the "no you can do it" people trying to flog their own crap, when the option is there for a flywheel (~$350) with their own engine.

I also said that the spigot bush fits and is still stocked by Holden (about $6)
Its a straight spigot, not the stepped version (as i remember)

what are you talking about boss...i'm not mis-informing anyone,read my post!!.i said you can convert with a CRS,but i have heard it's expensive and so is the flywheel,my opinion is that it would be cheaper to find a complete series 1 motor and box...iv'e done more manual conversions than your mum once changed your nappies..get off the weed bra

[dodgy]

Then you would know that a manual conversion can be done for about $900.

There have been lots of box's inc. pedal box, tail shaft, etc for sale, for about $500, spend $350 on the flywheel and $50 for the petty cash and your set.

That's a lot cheaper than your $1400

[samuels]

Then you would know that a manual conversion can be done for about $900.

There have been lots of box's inc. pedal box, tail shaft, etc for sale, for about $500, spend $350 on the flywheel and $50 for the petty cash and your set.

That's a lot cheaper than your $1400

well thats good if you can get a good conversion for $900 un fitted...
i charge$1950- $2000 supplied and fitted
last time i looked on castlemain rod shop the VN flywheel was $500+ and the adaptor was also $500,but the price of that item may have dropped,as it's been 6 months since i checked up on the adaptor price

[dodgy]

Mr Squishi - Answer is yes it can be done and if you want to pay $2000 here is someone to help you.

If you have any issues with him remember, it is your fault, he has done more manual conversions than your mum once changed your nappies.. and get off the weed bra

[samuels]

Mr Squishi - Answer is yes it can be done and if you want to pay $2000 here is someone to help you.

If you have any issues with him remember, it is your fault, he has done more manual conversions than your mum once changed your nappies.. and get off the weed bra

thats right...ALL WORK FULLY GUARENTEED,if you can't do it yourself,and you can find a technician(mechanic-for my era ) i'll gladly apoligise for any misleading info,especially on prices..i highly doubt you will find a mechanic that will convert auto to manual for less than $3000,unless you know one personally,or someone that has the gift of the gab and supply their grog for the day,and in some cases the w/end

[Morton]

Mr Squishi - Answer is yes it can be done and if you want to pay $2000 here is someone to help you.

If you have any issues with him remember, it is your fault, he has done more manual conversions than your mum once changed your nappies.. and get off the weed bra

lmao

[petroleum]

ok well.. u see this is really confusing me lol... right i bought a 88 vn which came with a 5 spd manual fitted i took the box and flywheel out and found that the flywheel is 6 bolt and the motor appears to be series 1 as the thermostat housing is at the rear right? i have a 89 series 1 vn with a auto in it currently and i want to put the manual in so my flywheel will go straight on? i understand i need to take out the auto spigot bush and replace it with a manual spigot bush? and the spigot bush is located in the hole in the back of the crank? any help real soon would be bloody awesome! as i am planning on using the workshop on sunday to swap them over

[dodgy]

Does the flywheel look like the one above?
Does it have a stamped part number?

[samuels]

ok well.. u see this is really confusing me lol... right i bought a 88 vn which came with a 5 spd manual fitted i took the box and flywheel out and found that the flywheel is 6 bolt and the motor appears to be series 1 as the thermostat housing is at the rear right? i have a 89 series 1 vn with a auto in it currently and i want to put the manual in so my flywheel will go straight on? i understand i need to take out the auto spigot bush and replace it with a manual spigot bush? and the spigot bush is located in the hole in the back of the crank? any help real soon would be bloody awesome! as i am planning on using the workshop on sunday to swap them over

you need to swap the motor with it....auto crank is different size than a manual crank(even though they are both 6 bolt)you need to get an adaptor available from castlemain rod shop OR a flywheel made up to suit the auto crank,once again castlemain rod shop fabricate these...sorry if i did not explain that properly in previous post.

[petroleum]

ok well i got the box out and yep it wouldnt fit lol... so i swapped motors thanks heaps for the help dudes!