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Dual Weber 40DCOEs on a 1.3 Samurai

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Offline cur_dog

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Dual Weber 40DCOEs on a 1.3 Samurai
« on: May 07, 2008, 08:29:03 PM »
I know I have been asking a bunch of questions and I really appreciate the answers.

I have another one.

I'm looking at a 1988 Samurai that has dual Weber 40DCOEs on it, header and a high performance cam. How much more HP and torque do you think I would get? Are the dual Weber 40DCOEs a good set up? Here are a couple of pics of the set up.

Thanks again!

Marty
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phloop

Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #1 on: May 07, 2008, 09:44:21 PM »
I always wanted to get the dual sidedrafts but now I think I would go with the MY-side set up instead. Not as impressive looking but seems to work better than any weber and easier to tune.
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Offline Rhinoman

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #2 on: May 08, 2008, 04:40:14 AM »
I'm pretty sure that Eric ran that set up. How much is the Sammy? that conversion on its own must be worth a few dollars.
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2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org
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Offline cur_dog

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #3 on: May 08, 2008, 05:03:35 AM »
He is wanting 3,500. It's real clean and the motor was overhauled.

Who is Eric?
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Offline cur_dog

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #4 on: May 08, 2008, 05:16:00 AM »
How hard are these to tune/sync up?
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Offline Amilla

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #5 on: May 08, 2008, 10:53:46 AM »
Quote from: cur_dog on May 08, 2008, 05:16:00 AM
How hard are these to tune/sync up?

There in lyes the problem
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88 Samurai, Sprung Up, Geared Down, Locked,With Yotas.
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Offline Rhinoman

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #6 on: May 08, 2008, 11:29:45 AM »
Quote from: cur_dog on May 08, 2008, 05:03:35 AM
Who is Eric?


Eric (EBewley) is Mr Zukiworld. Check out his article on setting up 40DCOEs in the tech archives:

http://www.zukiworld.com/month_050102/feature_dcoesetup.htm
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2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org
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Offline ebewley

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #7 on: May 08, 2008, 04:37:58 PM »
Quote from: Rhinoman on May 08, 2008, 11:29:45 AM
Quote from: cur_dog on May 08, 2008, 05:03:35 AM
Who is Eric?


Eric (EBewley) is Mr Zukiworld. Check out his article on setting up 40DCOEs in the tech archives:

http://www.zukiworld.com/month_050102/feature_dcoesetup.htm


Thanks for the shoutout....  :) Yeah, the sidedrafts are great (webers not mikuni, I've had both) They work really well and unlike popular belief, they can be set it and forget it. If you set it up right in the first place. My first love, Wedgee, has had sidedrafts on for at least 10 years and thousands of miles; works good. Horse power increase is there but is better when internals have been done first. Remember, timing must be addressed.

I'd be worried about that rig you're looking at because it doesn't have any air cleaners on it. Did they run it that way? Is the engine 'dusted'? That's what I'd worry about... Also, (just took a second look at pics) They've done something 'unique' with the runners. It looks like they've tapped vacuum lines or something into each runner. That would be dumb... and one would have to have those holes welded up. It's hard to tell in the pictures...

-Eric

Good luck, Eric
« Last Edit: May 08, 2008, 04:40:17 PM by ebewley »
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Eric L. Bewley                               
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About ZUKIWORLD Online: We are an enthusiast web site dedicated to the promotion of the Suzuki Automobile as the best and most capable vehicle on the planet. We offer product reviews, Tech tips, DIY, Travel and Adventure, Forum, Technical information, Life Style, and so much more!
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Offline cur_dog

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #8 on: May 08, 2008, 07:56:32 PM »
Eric, I sent you a PM.
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Offline Rhinoman

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #9 on: May 09, 2008, 05:00:33 AM »
Quote from: ebewley on May 08, 2008, 04:37:58 PM
Also, (just took a second look at pics) They've done something 'unique' with the runners. It looks like they've tapped vacuum lines or something into each runner. That would be dumb... and one would have to have those holes welded up. It's hard to tell in the pictures...
-Eric

It looks like someone has added balance pipes. No reason why that wouldn't work but if the carbs are setup accurately then it shouldn't make much difference. I'd leave the takeoffs in place, maybe blank them off, they would make it really easy to hook up vacuum gauges
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2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org
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Offline ebewley

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Re: Dual Weber 40DCOEs on a 1.3 Samurai
« Reply #10 on: May 09, 2008, 08:59:36 AM »
Quote from: Rhinoman on May 09, 2008, 05:00:33 AM
Quote from: ebewley on May 08, 2008, 04:37:58 PM
Also, (just took a second look at pics) They've done something 'unique' with the runners. It looks like they've tapped vacuum lines or something into each runner. That would be dumb... and one would have to have those holes welded up. It's hard to tell in the pictures...
-Eric

It looks like someone has added balance pipes. No reason why that wouldn't work but if the carbs are setup accurately then it shouldn't make much difference. I'd leave the takeoffs in place, maybe blank them off, they would make it really easy to hook up vacuum gauges

-OR-

One could plumb in some Nitrous!

:)

-Eric
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Eric L. Bewley                               
Editor, ZUKIWORLD Online                   

Suzuki 4x4 Owners Association - Please Join  The ZUKIWORLD ORDER Today!
About ZUKIWORLD Online: We are an enthusiast web site dedicated to the promotion of the Suzuki Automobile as the best and most capable vehicle on the planet. We offer product reviews, Tech tips, DIY, Travel and Adventure, Forum, Technical information, Life Style, and so much more!
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