Upgrading 1.3L Engine VS Swapping to G16A 8V Engine - Page 2 - Suzuki Forums: Suzuki Forum Site
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Old 02-23-2010, 07:25 AM   #11 (permalink)
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Quote:
Originally Posted by Rhinoman View Post
Redline is at 6550 rpm.
The 1.6 makes a big difference in power but you won't want to run the 1.3 carb on it, its too small to make max. power on the 1.3 engine, running a freeflow exhaust and a Weber works well.
You should consider running the 16V 1.6 engine instead, the wiring is more complex but it makes the same bottom end power and pulls much harder at higher RPM.
The 1.6 engine isn't much heavier but the bottom end is much stronger with bigger bearings and beefier rods.
Thanks Rhinoman for the info. 1.6 Red line is at 6550? That's almost the same as the 1.3L! That's good news to me.

Where can I get a Weber carb? I'm not so happy with my carb, I would love to replace it.

16V engine requires too much work, and I'm not sure I'll find technicians who have the ability to do it. Plus it requires an ECU, and probably programming as well for the electronic fuel injection; am I wrong? 16V engine is actually cheaper here, but they don't sell the ECU along with it, and I'm not sure where to get one. Most Vitaras in our scrap yards are 8V, I haven't seen any 16V Vitara around here. Plus: I already ordered an 8V Thorley header, and it will not fit a 16V engine.
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Old 02-23-2010, 07:30 AM   #12 (permalink)
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6550 is the rev limiter on the ECU, how much power there is up there is something else.
When I did my conversion I only had a bare 1.6 engine so I used all 1.3 parts, alternator, mounts etc.. I had to elongate holes and tweak bits and pieces to get it all to fit but it went in there OK. If you don't use aftermarket engine mounts then you need to cut one of the engine mounts of the chassis and move it about 1" (I forget which one).
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Old 02-23-2010, 07:48 AM   #13 (permalink)
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That's interesting. When I was putting in my second 1.6 8v (about 10 years ago) I picked up the gauge cluster from the same 95 Tracker that the motor came out of. The redline on the tach was at 5700 rpm.
I have since traded off the gaugecluster to someone that needed it, but I am sure of the setting.

Then again, when i built up the Stalker motor (1.3), I was easily taching out at about 6500-6800 going through the mountain passes without hitting any rev limiter, so maybe the gauges are set well below the limit of the ECU (for safety sake)?

Last edited by Billjohn; 02-23-2010 at 07:52 AM.
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Old 02-23-2010, 07:59 AM   #14 (permalink)
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I just went out and checked my revcounter, red line is at 6500, thats on a first gen. year 2000 8V G16A engine (we got the first gen. until 2003).
I don't know what the rev limit on a 1.3 is, the EFI models aren't common over here and I haven't had a 1.3 ECU to hack. There is no tacho on my 1986 SJ413K anyway.
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Old 02-23-2010, 09:34 AM   #15 (permalink)
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Man this conversation is really getting interesting ... tech talk between two experts from different continents!
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Old 02-23-2010, 09:52 AM   #16 (permalink)
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Quote:
Originally Posted by alternator View Post
Man this conversation is really getting interesting ... tech talk between two experts from different continents!
This is one of the reasons I like this type of forum. It is the only way we can really get together in 'near' real time to discuss our hobby/sport. Kind of a graphical party line...

And you are on the other side of the world...

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Old 02-23-2010, 11:42 AM   #17 (permalink)
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Quote:
Originally Posted by Billjohn View Post
This is one of the reasons I like this type of forum. It is the only way we can really get together in 'near' real time to discuss our hobby/sport. Kind of a graphical party line...

And you are on the other side of the world...

Yeah, I have yet to become an expert though. I still have time, and I'm hoping I will be.

Last edited by alternator; 02-26-2010 at 01:47 AM.
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Old 02-23-2010, 12:07 PM   #18 (permalink)
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I wouldn't dscribe myself as an expert either but I've been around Zuks and the Zuk fora for 10yrs.
I don't know were you would get a Weber carb, you may be able to source one from an old Ford and rebuild/rejet it. There is a users manual on the web somewhere with jet sizes and stuff, the most common fitment is a 32/36
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Old 02-23-2010, 12:32 PM   #19 (permalink)
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Sorry, missed the Weber question.

G13b.com
In the Suzuki section.

And then tuning:
Adjusting a Weber
Weber Works
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Old 02-23-2010, 01:33 PM   #20 (permalink)
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Ok, should I get the 32/36 or the 38/38?
32/36

38 outlaw

And what's that supposed to mean?
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