Vh45 Manual swap

[canadiandrifter240sx]

I am a newb to this forum and to Vh engines. I have been reading variuos threads and discusions on the VH and what other people are doing as far as manual swaps go, however I have yet to find someone who builds and sells adapter plates for a manual swap. Does such a person or place exsist?

I am sqeezing the Vh into a S13 chassis 240sx and auto is not an option so I am desperate to fin an adpter plate as soon as possible. Please help.

Thank you Chris

[Rhino]

At this time, you will need to make your own.

If you are successful, I figure there are about 50 people on here that will want one.

[Mettler]

I am sqeezing the Vh into a S13 chassis 240sx and auto is not an option so I am desperate to fin an adpter plate as soon as possible. Please help.

Thank you Chris

Not likely, you can't just chuck an adaptor plate on... what about the pivot point for the clutch fork ? And what actual gearbox you intending to use ?

Sorry man... get the auto bellhousing, and once you know the dimensions, mill the *** end of it off, weld a 12mm aluminium plate (at least 6000 grade) to it, and cut a profile into it to suit whatever manual you're using. Then put a pivot point in, mount the slave cylinder, and you're away.

All you need to do then is buy one of my flywheels, I'll arrange you a nice clutch kit for cheap, and you'll be sorted.

[canadiandrifter240sx]

I have not decided on a gear bax yet, I was waiting to see if there was an adapterplate that I could purchas and then buy the gear box it was built for. If I have to do this myself it will prob be a Z31 or SR20det gear box as both of these are designed so starter bolts to the bellhouseing and not the engine which will simplify things, aswell I balieve the SR and Z31 have the same bolt patern for the fly wheel as the VH.

So in theory it is just a matter of mating the transmission to the block with an adapter plate. If the adapter plate is 2.54cm then I would need a 2.54cm spacer for the flywheel and I would not have to worry about bearing pivot point.

The problem is that I am not a machinist so I would have to outsource this service and it would prob take a few weeks for this to get done. I have a friend who is but it usually takes him months to get a job done for his friends, maybe I will tell him I could sell these so he will work faster.

I can't balieve no one has started selling these.

I also plan on building a custom intake. Is there a market for these awell?

Thanks for the reply's Chris

[canadiandrifter240sx]

Just to let you guys know I have confirmed that the Sr20det fly wheel will bolt up to the VH45. It is the same bolt patern.

[Mettler]

All I did was make my own flywheel using the factory ring gear, and have the auto bellhousing modified to accept the new gearbox. No messing around with starter motor repositioning etc, I'm just using the factory starter that's on the engine.

[canadiandrifter240sx]

If you use a Z31 gearbox then there is no need to relocate the starter, the starter bolts to the lower part of the gearbox bellhousing and not the engine. I see no need for myself to build a fly wheel when I can just use a Z31 or a sr20 flywheel. I have been doing SR20 installs on 240sx's for years now and such parts are redilly available to me. As far as just choping the bellhouseing and welding the VH houseing on, I have thought about this already but this is going to be a track car and I am certain that I will blow a few trany's. If I do this then that mean I would have to cut and weld again or take the trany apart to swap the bellhouing. where as if I build and adapter plate then it is just a matter of swapping the gearbox.

If and when I have this adapter plate built then I will look into haveing more made and put them up for sale.

Chris

[Mettler]

Huh ? Here are some photos of my setup, I can just unbolt my gearbox from the bellhousing with no hassles whatsoever, so if a transmission goes bang, I buy another one, bung it on there, and off I go.



And you wouldn't need to make your own flywheel, just buy the one I developed. ^_^

[elwesso]

is that a rotary in the background of the last pic????

[Mettler]

?? No... all I see is a boat anchor.

[elwesso]

LOL!!!!!! Touche mate!

[Raxephon]

what about the pivot point for the clutch fork ?

Hydraulic Throw out Bearing = No Clutch fork/Pivot

[Jeff Taylor]

I have yet to find someone who builds and sells adapter plates for a manual swap. Does such a person or place exsist?

Thank you Chris

Yes. Nick at Omega Motive already has a design created and is close to getting the adapter plates machined.

Check out http://www.omegamotive.com

Jeff

[canadiandrifter240sx]

I see nothing on that sight about anything to do with VH45.Is the sight under construction?I would like more info on this. What transmission is he building the adapter for?

I have just picked up an 86 Z31 for $200, I plan to use the transmition from this for the swap as it is fairly strong and it uses the sam internals as the KA24 so if I pop it I can just swap the internals with one of the many KA transmission's I have laying around. In adition to that I can alo use a KA short shifter on it.

[irax]

zerothread/170932

but why do that when you can bolt on a 300zx flywheel? and if you use a different transmission you can just get a different spline count/dia size clutch disc.

mettler, what transmission were you planning on using? like a T56 or T6 transmission?

[Mettler]

but why do that when you can bolt on a 300zx flywheel? and if you use a different transmission you can just get a different spline count/dia size clutch disc.

mettler, what transmission were you planning on using? like a T56 or T6 transmission?

I tire of hearing people say that. If it was a simple matter of just bolting on a 300ZX flywheel I would have done that myself. As it stands, I visited the authorised Nissan Dealer in my city and got them to source me a second hand 300ZX flywheel, the only one they could find in the country too, and it was still going to cost over NZD$700 to purchase.

That, combined with the fact that a 300ZX twin turbo transmission isn't cheap or easy to find, makes my solution a far more viable one for me.

Considering my flywheel costs only $1k for a SIGNIFICANTLY superior item and was specifically engineered for the VH41DE engine, it's the better choice every time.

I used a Toyota W57 transmission, they're common as mud and about as cheap too, easy to replace if it pops, which it shouldn't right up until about 500 hp

[canadiandrifter240sx]

You are right Z32tt gear boxes are hard to find and are expensive.

This is why I decided to go with the Z31. I baught a whole car for $200 canadian the only problem I am haveing is that the z31 flywheel is a 6 bolt crank patern and the VH is a 8 bolt as you know.

I have contacted a few places that sell light wieght aluminum flywheels and the ClutchMaster co. said they could build the custom flywheel in 2-3 days for $500usd which is not bad for a light whieght flywheel considering an "off the shelf" cost $450usd.

Also the good thing about the Z31 N/A gear box is that it shares the same internals as the 240sx/ 180sx / silvia and or 200sx, the gearing is diffarent but the make up or design is the same. In canda 240 gear boxes are easy to find and I imagine it would be the same in aus or europe with the 200sx or silvia.

I just need to get this adapter plate finished.

[Mettler]

I have contacted a few places that sell light wieght aluminum flywheels and the ClutchMaster co. said they could build the custom flywheel in 2-3 days for $500usd which is not bad for a light whieght flywheel considering an "off the shelf" cost $450usd.

Please contact them and ask them on my behalf what grade of aluminium they are using... whether it's 6000 series or 7000 (I used 7079, the highest tensile grade, aircraft & tooling purpose)... please also ask what the insert is made out of. It'd be interesting to know... I'm toying with the idea of a carbon fibre insert

[Bart]

Hey mettler thats a fine job.Am i correct in saying you used the VH45 bell housing and welded a plate on it? I just purchased a VH41 and wish to install a Supra gearbox to it W58 i think. Would it be more difficult to fit this gearbox??Kind regards

[Bart]

woooopssorry mate i just read over the posts again and your bell housing/gearbox conversion is just what im after. LOLAny how i should just read more posts but are you selling this type of conversion??I have the auto bell hosing so im part of the way there.Im in Sydney NSWKind regards
Modified by Bart at 5:11 PM 5/21/2006

[Mettler]

I can arrange this conversion for you, but I'd need to get a quote from my fabricator for doing the same work again. I imagine it'd cost you under $3k, that's for flywheel, modified bellhousing, clutch kit etc.

[Bart]

Come to think of it would a W57 box be strong enough for a turbo charged VH41? I was told they are good for 800hp or am i thinking of a diferent Supra box?? Maybe R154??Would it be possible to use a multi plate clutch with your conversion??

Modified by Bart at 12:28 PM 5/22/2006
Modified by Bart at 3:44 PM 5/22/2006

[Mettler]

There's a flywheel this stock car racer over the road from my work developed... it's designed to run a triple plate clutch. It's only like 7.1/4" or something.

I hope you have lots of money, boosting a VH engine reliably is not a cheap exercise.

[Bart]

Yeah the cost scares me a bit but the turbo will be bolted on with low boost at first, then i can look at changing internals when money permits me etc for hi boost and power. (well thats the plan).What i meant was if I buy your fly wheel will it accept a double plate clutch as i dont think a single plate will cope with a turbo VH, then again what are your views with your single plate clutch set up coping with a turbo VH as this can potentially pump out 800hp with turbos something like this.This one is built by Nizpro in Victoria, it not mine but i wish it were.

[Mettler]

Depends on the clutch itself. The highest clamping pressure plate I could find to fit the 9.1/2" diameter friction surface was 1250kg, but I'm only using a one step down 1050kg pressure plate myself. This should be ample for my needs, but for 800HP I don't know. Perhaps you need to look into 9.1/2" diameter twin plate clutches, if you can get them.

BTW, please link me to as much information and pics of that engine as you can !

[Bart]

Ok whats you email, i dont think your hotmail will take a big file like mpeg, iv got this motor in action in a speed boat etcI think I can get a 9 1/2" twin plate but it may be custom, will twin 9 1/2" plates (if i can get them) be ok to use in your bell housing and fly wheel? Perhaps i should use a fly wheel the same size as used in a Supra with a Supra box and Supra twin plate??This is Nizpros website http://www.nizpro.com.au/index.html

[elwesso]

if youre exchaning videos i can host it.....

[Bart]

I just emailed the Vid to you

[elwesso]

havent got it, try sending to wes @ q45 . org (sans spaces obviously)

[Mettler]

Yeah host it up wes !! We all LOOOOOVE boosting VH engines