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Suzuki Sierra 1.3L Bolt In Engine Conversions
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Author:  Weiry [ Thu Feb 05, 2015 3:40 pm ]
Post subject:  Suzuki Sierra 1.3L Bolt In Engine Conversions
G'day Guys
I want to upgrade the engine in my '83 SJ40T Which already has a 5 speed gearbox and a G13BA.
What's the best bolt in engine upgrade?
I've heard that the G16B is the best but needs an adaptor plate.
Thanks from Jack
Author:  mnemonix [ Thu Feb 05, 2015 3:54 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Yes G16B is the best. It's the simplest fuel injected larger capacity engine to fit, and the benefits of fuel injection are endless.
You'll need a kit to mount it, available from seller "BenT" on ebay, as well as someone capable of sorting out the wiring for you, or look up ebay seller "Killer Kustom Kables" to make a loom for you.

The g16a (carb) is slightly easier from a wiring perspective but the trade off is a lack of fuel injection.

Any other engine ends up a compromise of effort vs return.
Author:  Weiry [ Thu Feb 05, 2015 4:27 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Thanks I'm thinking of buying a cheap baleno so that I have everthing I need wiring wise.
Do you need a clutch and flywheel or will a Sierra one do?
Author:  jdk81 [ Thu Feb 05, 2015 7:22 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
You use the sierra clutch and flywheel
Author:  AckerDackerly [ Fri Feb 06, 2015 2:46 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
From a "way the heck over here" perspective, there are only two direct-bolt up replacements:

1. Another G13.

B. the 1-liter 3-cylinder engine found in what we Yanks call a Metro:

Image

Image

This engine swaps works mainly because both "G" engine sizes were available for the vehicle during various points in it's North American production run and used the same transaxle/gearbox.

I only know of one 3-cylinder conversion and it was not actually used in a Sierra/SJ413. It was put in an LJ10 bolted directly to a Sierra/SJ413 gearbox as a powertrain upgrade.

here is a thread about Smuz's LJ10:

http://bbs.zuwharrie.com/content/topic,30824.0.html
Author:  jdk81 [ Fri Feb 06, 2015 4:43 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
^^^ why on earth would you want to have the top down and be seen driving it?
Author:  AckerDackerly [ Fri Feb 06, 2015 5:05 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
jdk81 wrote:
^^^ why on earth would you want to have the top down and be seen driving it?


Actually, convertibles are a rare body style, though not as rare as the X90...

They sold pretty well in the 90s as, even with an automatic gearbox, the 1.0l models got spectacular mileage - around 17 km per liter or 40 miles per gallon.

They had one serious fault: The front subframe attachments would fill with rainwater which resulted in rust failure...
Author:  Gwagensteve [ Fri Feb 06, 2015 6:25 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
We have g10's here. I don't think anyone in the history of ever has swapped one into a Sierra here.

G16b is a bolt in with the appropriate adapter kit.
Author:  Weiry [ Fri Feb 06, 2015 8:18 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Thanks
Its sounds like it's worth getting the adaptor plate for the G16B
Author:  Weiry [ Fri Feb 06, 2015 8:21 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Is the G13B any good or is it not much good for offroaders being that it makes it's power up high and the G16B makes its power down low or is that untrue?
Author:  AckerDackerly [ Sat Feb 07, 2015 2:35 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Actually both engines are typical high revving examples of Japanese internal combustion engine engineering.
The G16 just has more displacement and the gearbox bolt-holes are in inappropriate locations. The G16B
adds power and torque with a 16-valve head and Multi-Point Fuel Injection. Note that I did not add words like
"ground-pounding", "10-second quarter-mile" or gut-wrenching" to that last sentence.

One can argue all day about "achieving maximum torque/compression/kW output". 'Merican Zookers have turned that into an art form
and an example of how to create a money-pit.
:deadhorse:

The bottom line for this Yank is:

A. Will it fit under the bonnet?
2. Is it easy to install? *
III. Can I drive nearly anywhere with it?
-- Does it make more power? (I don't know how to make a bullet point in a forum post....)
and
5. Is it worth it? **


*...said the guy who is installing a VW Diesel engine in a SJ. :rofl:
** A G16B is worth the effort IMHO.

I hope that this helps!
Author:  Rhinoman [ Sat Feb 07, 2015 5:16 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Its not quite bolt in, you will need to modify the 1.3 sump and oil pick up pipe. The G13B is quite high revving, there are a couple of owners on here that can give you their input.
Author:  Weiry [ Sat Feb 07, 2015 6:09 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Thanks
Author:  jdk81 [ Sat Feb 07, 2015 7:49 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Imo out of the two g options, the G13b is just as viable as the g16 power/torque wise in the grand scheme.
Both are sufficient power plants.

It needs more considerations to gearing and inhibits gearbox selection (unless you get an adapter plate to use a g16 gearbox etc)
G13b probably need a rebuild before install, but g16s and the heads are prone to cracking (i have 4 in my possession all with various stages of problems).
G13 needs custom exhaust manifold, and dizzy issues can be a concern.

The G16b is easier to install and better torque/power delivery for offroad, but the cracking sucks ass if youre unlucky, or not lucky.
Author:  Weiry [ Sat Feb 07, 2015 7:56 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Thanks mate
Author:  Weiry [ Sat Feb 07, 2015 7:57 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Seems like G16B is the better option
Author:  Weiry [ Wed Feb 11, 2015 4:02 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Does anyone know if a G13BA intake manifold will fit on a G13B or G16B?
Author:  jdk81 [ Wed Feb 11, 2015 4:36 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
8v manifold from carby sierras/vits will not fit a g13b or g16b/g13bb (16v) heads
Author:  Weiry [ Wed Feb 11, 2015 4:39 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Ok thanks mate
Author:  Weiry [ Wed Feb 11, 2015 4:41 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Are there any carby conversions for G13Bs or G16Bs?
Author:  Weiry [ Wed Feb 11, 2015 4:42 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
It must sound like a dumb thing to do but I think putting in EFI is a bit beyond me
Author:  Weiry [ Wed Feb 11, 2015 4:43 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
And it seems like you wouldn't gain much by using a G16A
Author:  Gwagensteve [ Thu Feb 12, 2015 6:05 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
No, no off the shelf carby conversions. I think some Americans have run GSX-750 quad carbs on them.
Author:  Weiry [ Thu Feb 12, 2015 7:02 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Ok thanks
Author:  Gwagensteve [ Thu Feb 12, 2015 8:49 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
I'll expand on this tonight. In short, the advantages of EFI far outweigh the hassle of fitment. Especially as the engines weren't ever sold in a carby configuration.

Steve.
Author:  alien [ Thu Feb 12, 2015 9:15 am ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
One of these would go alright in a sierra:
http://motusmotorcycles.com/american-v4

=)
Author:  Weiry [ Thu Feb 12, 2015 1:37 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Has anyone ever put one in a Suzuki?
Author:  alien [ Thu Feb 12, 2015 3:42 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Doubt it, but you could be the first!!

Dare you to get a quote from them lol
Author:  Weiry [ Thu Feb 12, 2015 3:46 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
A quotes all i'd get!
I don't have that kinda money sadly i'm 14.
Author:  AckerDackerly [ Thu Feb 12, 2015 4:09 pm ]
Post subject:  Re: Suzuki Sierra 1.3L Bolt In Engine Conversions
Weiry wrote:
Has anyone ever put one in a Suzuki?


Not that this Yank is aware of...

It looks like a V4 sitting on a transverse transmission that permits a chain drive. It looks way-too-complicated to install and possibly not
possessing any great improvement in HP or torque..

About switching to a Vit gearbox: One would have to find a 2wd unit to fit it with a divorced sierra transfer case. Using the Vit gearbox/t-case
will change the overall drive ratio from 1.49 - 1 in 4th/High range to 1.0 - 1 in 4th/high range which might not be very good. I am making that
swap mainly because it will lower the highway speed RPMs on the VW Diesel from 3300 to 2600. That will not be good for a high-revving G13/G16 without tall
differential gears.

Steve has a valid point about not switching to carby - EFI will get you better mileage and offroad driving reliability.


Bottom line: G13 with aftermarket extractors and a 2-inch exhaust (worked for me!). the next step is - if you can get all the bits - a TBI from a newer G13-powered vehicle.
Alternatively a G16 with a 16-valve head and associated wiring and ECU. I have a harness conversion article at Ack's FAQ. here is the direct link which might help you a bit:

http://www.acksfaq.com/16vwiremanual.htm

I hope that this helps
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