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Any one put a Gemini motor in a Sierra?
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Author:  holdenrules [ Sun Dec 04, 2011 12:34 am ]
Post subject:  Any one put a Gemini motor in a Sierra?
Hey all been toying with the idea of a Gemini motor in my sierra. Any one done it Abd got any ideas?? Cheers
Author:  khanacross [ Sun Dec 04, 2011 12:51 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
seen one with a diesel gemini motor ...
Author:  alien [ Sun Dec 04, 2011 12:54 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
...why a gemini motor? theres so many other better choices... lol
Author:  sideways [ Sun Dec 04, 2011 12:57 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
holdenrules wrote:
Hey all been toying with the idea of a Gemini motor in my sierra. Any one done it Abd got any ideas?? Cheers


WWWWWWHHHHHHHHHYYYYYYYYYY?!?!?!?!! Would you possibly want to do that to a Sierra.

For starters, petrol or diesel(Here, just open this can of worms for me...)?

And yes, it's been done, a few older Sierras had these put into them way back in the 80s and 90s.
Author:  holdenrules [ Sun Dec 04, 2011 12:59 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Oh just I collect and restore GEMINIS. Easy motors to work on and have a heap laying around. I want to go the rodeo 2 liters the same as a Gemini 1.6. I know there was on for sale on eBay that had a Gemi motor in it. Would be good to know what's involved.
Author:  sideways [ Sun Dec 04, 2011 1:15 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Well, I'd suggest you get the tape measure out.
Author:  eldo [ Sun Dec 04, 2011 1:48 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
wasnt there a member on here that had one with a gemini petrol 1.6 in it? im sure there was, or it was for sale on here... good little motors but really best bet is to just do what is tried and tested already, everything is just a bolt in job etc.....
Author:  ridzilla [ Sun Dec 04, 2011 2:08 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Do it! and I'll do one to
Author:  2stroker [ Sun Dec 04, 2011 3:34 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Mate unlike the many sceptics who comment from their internet experience, I have assisted with one of these conversion many years ago and that car drove beautifully. Yes there are other conversions that are more straight forward, lighter and perhaps better suited.

But if you have and know Geminis and you have the parts then why not. It is the same as any non Suzuki conversion, use motor and box, fab up engine and gearbox mounts, modify jackshaft to suit, plumb it up to a radiator and the wiring is very basic.

Good luck
Author:  Gwagensteve [ Sun Dec 04, 2011 4:55 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Rod who ran Total 4WD in Victoria put a 2.6 carby jackeroo motor and some sort of 4 speed gearbox, I think, in his "rodified" sierra about 10 years ago.

I never saw under the bonnet, but it had plenty of grunt.

Not really my cup of tea, (Gemini, that is) but I am aware that all the Isuzu petrols share the same bell housing pattern.

That being the case, holdenrules, can you confirm that auto Gemini's ran the trimatic?

If that's the case, the scope is there for quite a torquey efi motor with a trimatic behind it for not much money.

I did spend some time looking over a rodeo at the wreckers. They run an AW-4 auto AFAIK...

As I've said before, IMHO engine choice for a sierra isn't the problem, it's the all about the gearbox.

Steve.
Author:  3cyl [ Sun Dec 04, 2011 6:27 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
I remember Blackduck had one with a Gemini engine back in the '90s, went ok, just seemed to have some sort of hillbilly transfer mount from memory and maybe a hole in the bonnet?
Author:  SSSIERA [ Sun Dec 04, 2011 6:31 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
smart car 1.3 diesel! (pretty sure RWD aswell)

or the smart v6 bi turbo! light weight (made by mercedes) and bog stock standard un tuned it would give a sierra the same power to weight ratio as a Porsche 911 Carrera
Author:  2stroker [ Sun Dec 04, 2011 6:34 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Yeah Steve you are right the gearbox is a limiting factor when deciding what you can fit. The one that I helped with used a trimatic gemini auto. The reason for the build was that the guy was an old fella that loved his Sierra and used it for beach fishing but after a knee replacement had no strength in his left leg for even a light Suzuki clutch.

Believe it or not my sister once bought a tin top Sierra with an EFI Camira engine and drove it around all over the state for about a year before trading it on a Feroza.
Author:  Gwagensteve [ Sun Dec 04, 2011 7:03 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
SSSIERA wrote:
smart car 1.3 diesel! (pretty sure RWD aswell)

or the smart v6 bi turbo! light weight (made by mercedes) and bog stock standard un tuned it would give a sierra the same power to weight ratio as a Porsche 911 Carrera


Can we keep this thread on track rather than turn it into another fantasy engine thread?

In any case, the Smart Diesel is on 800cc Triple with 30Kw.

The V6?

Quote:
Ten cars were built and presented at the Castle Solitude. They are not available for sale and are not even allowed to be driven on the public roads in Germany. Some of Mercedes' race drivers, like Markus Winkelhock, drove guests around the event's race track.


Yes, they are RWD, but using a transaxle - the engine is in the rear. The gearbox is no more suitable for use in a sierra than a FWD gearbox.

Can we keep this thread to Isuzu motor/gearbox tech only?

Steve.
Author:  royce [ Sun Dec 04, 2011 7:06 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
I know a guy fitted one with a jackaroo box and transfer, went really fast but low range was a struggle

arent the manifolds the other way around? I remember it needed a bodylift and tunnel smashing (was a 1 litre)
Author:  holdenrules [ Sun Dec 04, 2011 7:09 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Yes the GEMINIS do use the good old 3 speed trimatic. I would most likely go the 5 speed Gemini manual either behind the 2.0 or 1.8. I had a measure a while ago when I thought about it and it would work without having to move the transfer at all. Just customize engine mounts and same with gearbox. The thing I like about these engines is reliability and they can handle a floging. To me I would rather a Gemini engine over a g16b as I have had both. I'll see how I go may even do a write up,
Author:  shakes [ Sun Dec 04, 2011 7:17 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
holdenrules wrote:
Yes the GEMINIS do use the good old 3 speed trimatic. I would most likely go the 5 speed Gemini manual either behind the 2.0 or 1.8. I had a measure a while ago when I thought about it and it would work without having to move the transfer at all. Just customize engine mounts and same with gearbox. The thing I like about these engines is reliability and they can handle a floging. To me I would rather a Gemini engine over a g16b as I have had both. I'll see how I go may even do a write up,


A write up would be awesome!! Even just with the basic stuff of a few photo's of engine and gearbox mounts.
Author:  Gwagensteve [ Sun Dec 04, 2011 7:27 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Wonder whether it's possible to use a gemini trimatic behind an earlyish turbo isuzu diesel to put together a (fairly) cheap auto/turbodiesel package?

I know is would be dumb and heavy but at least it might not be dumb, heavy and $1million

Steve.
Author:  holdenrules [ Sun Dec 04, 2011 7:44 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
The Diesels that came out in GEMINIS were never turbo from stock. Most owns put a turbo on them because of them being so gutless. To me them diesels are to old and hard to come by. The only reason I would go the petrol is because of the price of them and how easy parts are to get for them. You can buy off the shelf parts for then turbo manifolds the works. They are also good on fuel. Manifolds are on the same side as a Sierra. length for the radiator to fit and tunnel size will be the down fall.
Author:  Gwagensteve [ Sun Dec 04, 2011 8:11 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
holdenrules wrote:
The Diesels that came out in GEMINIS were never turbo from stock. Most owns put a turbo on them because of them being so gutless. To me them diesels are to old and hard to come by.


Yes, I'm aware of that. My understanding though is that all the isuzu car 4cyl engines have the same Bellhousing bolt pattern, which then opens up the possibility of using rodeo/jackeroo engines (petrol/diesel) front of a Gemini trimatic for a short, powerful and cheap package.

I'm not personally that interested, but it's an interesting alternative to CA/4AGE swaps, especially taking into account the gearbox issues with the 4A

Steve.
Author:  holdenrules [ Sun Dec 04, 2011 8:20 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Yer mate they all have the same bell housing so would be good even if you wanted to put the 2.6 fuel injected rodeo motor in it or the rodeo diesel engines. Would defiantly be cheaper than other vitara engines etc
Author:  shandy92 [ Sun Dec 04, 2011 12:12 pm ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
one of the guys i work with is currently fitting a g200 (2.0L petrol gemini engine) in his sierra. has had a lot of custom work done, engine mounts, gear box and transfer mounts. his only issue is the wiring and some vacuum hoses.

ill ask him tomorrow what box he is running.

also know of a guy who has a lotus engine in a stock sierra ahah,
Author:  HDT_523 [ Wed Jan 25, 2012 2:42 pm ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
shandy92 wrote:
one of the guys i work with is currently fitting a g200 (2.0L petrol gemini engine) in his sierra. has had a lot of custom work done, engine mounts, gear box and transfer mounts. his only issue is the wiring and some vacuum hoses.

ill ask him tomorrow what box he is running.

also know of a guy who has a lotus engine in a stock sierra ahah,
yeah that would be me, it was running today and will be back on the road once im on holidays and have time to finish it. I would recommend not doing it, unless you really want something different and love the F**K around
Author:  shandy92 [ Thu Jan 26, 2012 1:18 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
HDT_523 wrote:
shandy92 wrote:
one of the guys i work with is currently fitting a g200 (2.0L petrol gemini engine) in his sierra. has had a lot of custom work done, engine mounts, gear box and transfer mounts. his only issue is the wiring and some vacuum hoses.

ill ask him tomorrow what box he is running.

also know of a guy who has a lotus engine in a stock sierra ahah,
yeah that would be me, it was running today and will be back on the road once im on holidays and have time to finish it. I would recommend not doing it, unless you really want something different and love the F**K around


you finally joined, about time. what was the issue with the carby wires?
Author:  SierraDan [ Thu Jan 26, 2012 1:56 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
royce wrote:
I know a guy fitted one with a jackaroo box and transfer, went really fast but low range was a struggle

You can get Isuzu reduction gears for the rodeo/jackeroo transfers.
Author:  HDT_523 [ Thu Jan 26, 2012 2:38 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
yeah thought my input could help if any1 is serious about doing it...those wires werent connected haha my issue has always been time (and motorvation) but now she runs, so am feeling a bit more motivated. also the electronic ignition wasnt quite right. i just need to fix a couple of leaks and get better suited heater hoses, better radiator spacers and convert back to sierra alternator as they have an internal inhibitor, which is what i require (and have suzi alts laying around). Hook up the exhaust and do the RHS gearbox mount as that one is a lil tricky, finish the gearstick location mods an a bunch of other shit i would like to re-do a bit better as i initially was aiming to get this done in about 2 weeks and didnt take the extra time i would have liked too...
Author:  elky [ Sat Oct 20, 2012 9:45 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
digging up a old thread......i specialise in gemini's (Gemwreck) and i have sold a few diesel 4fb1's to zook guys over the years, some have even used the front springs (!) dunno how they made that work tho, one bloke rocked up in a sierra with a FACTORY turbo diesel gemini engine in it, these were a jap spec motor and was the first production diesel engine in a passenger car to have a ecu

They are an awesome engine but heavy compared to the original zook ones, we are looking for a zook now to build up into a semi comp rig for the missus, and i was thinking that if these guys could easily fit a gemini diesel engine then there is no reason why i could not fit my drag gems DOHC 2000cc engine into one just as easy, this motor has a fair bit more torque and power than even a 1.6 swap, but it looks like there is more to it.......

i will keep reading the posts and go from there

BTW gemini na diesels are not hard to find, i think i got about 7 of them last count.... :wink:

cheers
Author:  masterA [ Tue Nov 06, 2012 10:23 am ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
Might not be the most suitable engine for a sierra but for a few that think that the gemini engines are weak.....
http://www.youtube.com/watch?v=AnAb1MUx3lg
http://www.youtube.com%2Fwatch%3Fv%3DZN ... fX3A9-LLGg
http://www.youtube.com%2Fwatch%3Fv%3DOd ... 3fV7XYPlJA

For anyone interested, have a chat with Darren from Gemracing as he does different engine packages....
http://www.freewebs.com/gemracing/
http://www.gemracing.com.au/

BTW - im not associated in any way.....just had 7-8 gemini's over the years and was very close to getting one of his engines but decided 4WDing was more fun that loosing my licence :P lol

EDITED: Forgot to say that those runs are with the standard torque tube and diff ;)
Author:  HellonWheels [ Tue Nov 06, 2012 8:30 pm ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
I had a TE back in the day with G200 block with Piazza injection and a diesel box. was pulling 130hp atw and made xr6's look slow. Did the best burnouts aswell. Would make a good engine for a zook i think so long as it was injected.
Author:  KEENSY85 [ Wed Nov 07, 2012 6:00 pm ]
Post subject:  Re: Any one put a Gemini motor in a Sierra?
one of the biggest benifits would be all the engine mods that the gemini boys have done , i had 1 of these engines in a tf rodeo and it was awsome but a worked 1 would be awsome
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