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Rallyho
Mike White
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Need to borrow wide band o2
April 20, 2010 02:04PM
Does anyone have a wideband 02 sensor/guage setup to tune a CIS infected Saab.

I'm in Maine and I would only need it for a couple of weeks sometime before NEFR.

Thanks.



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john vanlandingham
John Vanlandingham
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Saab 96 V4



Re: Need to borrow wide band o2
April 20, 2010 04:26PM
What in the fuck are you doing fucking with a CIS fawking controlled fuckin leak shit drooling thing?

You're a computer nerd-boy for fucks sake, have you not caught on to this fancy thing called "eeeeelectotronic fuel infection" it's all the rage now for the last 30 years.
All the cool kids use electronic shit.

Don't come here with some lame "that's what was on it" nonsense.

What the fawk are you thinking?





John Vanlandingham
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fiasco
Andrew Steere
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Location: South Central Nude Hamster
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Re: Need to borrow wide band o2
April 20, 2010 06:14PM
Mike likes his Car Incineration System.

And he probably had to use the Megasquirt money to buy a steeenking FRANZ device.



Andrew Steere
Lyndeborough, NH
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Rallyho
Mike White
Mod Moderator
Location: Camden, Maine
Join Date: 02/20/2006
Age: Possibly Wise
Posts: 187

Rally Car:
Saab 900 - aka-The Swedish Rally Tractor



Re: Need to borrow wide band o2
April 20, 2010 07:56PM
Don't tell the techs...but I made my HANZ device out of the kids left over paper-mache and finished it up with a can on Krylon Faux Carbon Fiber...looks perfect.

CIS isn't thaaaat bad john.. I mean, shit, ferrari, bmw, saab, volvo, they all used it. And it's actually pretty fucking idiot proof.

Yes, mega-spurt is in the future evil plan (2.1 ITB yummyness) but to shake this new swedish tractor down, I'd rather spend some money on entry fee's and trany fluid for the spendy-bits in the gearbox.

So, come on, who's got a wideband I can use for a few weeks???? smiling smiley



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fiasco
Andrew Steere
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Re: Need to borrow wide band o2
April 20, 2010 08:40PM
Hey, update your profile, you have a logbooked rally car again!



Andrew Steere
Lyndeborough, NH
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Do It Sidewayz
Chris Martin
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Re: Need to borrow wide band o2
April 20, 2010 10:51PM
They are almost so cheap now adays you can just buy one.

I think you can get the AEM unti for about $200 delivered that last time i checked.



Chris
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Josh Wimpey
Josh Wimpey
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Re: Need to borrow wide band o2
April 21, 2010 08:55AM
Mike, ignore John's rant about CIS and forget needing a wideband.

It is not like you can tune the CIS at different RPM & load ranges, it is a set-it-and-forget-it system...

I would take a car running on CIS over 90% of the hack-job EFI installations I have seen on budget rally cars...



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john vanlandingham
John Vanlandingham
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Re: Need to borrow wide band o2
April 21, 2010 09:09AM


Hey youse guys, I was making CIS work when youse wise guys was getting your bums wiped by your mamas.
Nothing wrong with it as long as the venturi of the air flow meter part of the fuel dizzy is matched to the requirements of the motor..

And you CAN tune the fuel slope.
Problem is as always that people believe various things, then you have to argue wit 'em FIRST.
And I'm tired of arguing and yes the majority of the "Italian waiter tripped and dropped a plate of linguini" are appalling, but Come on Josh, it its set and forget then what's Mike need a wide band, he can set the Ke thing with a dwell meter



John Vanlandingham
Sleezattle, WA, USA

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Rallyho
Mike White
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Location: Camden, Maine
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Posts: 187

Rally Car:
Saab 900 - aka-The Swedish Rally Tractor



Re: Need to borrow wide band o2
April 21, 2010 10:42AM
Ok, now we're getting somewhere!

Here is what I've got...a kinda wussy saab 8v, some sort of MSS cam, dual springs, header, higher comp pistons, alum flywheel, stock ignition. The thing probably makes 100hp on a good day. Saab fuel dizzy, pump and an unknown WUR with vac port hooked up to throttle body niple. No lamb-duh.

I have a fuel pressue tester, here is what I find when I test line and control pressures.

line pressure is 84psi
cold start pressure is 20psi at 45 degrees F air temp
warmed up pressure is 32psi.
leakdown pressure is like 45, so well within spec.

I know I'll be corrected if I'm wrong, but I read that to mean I'm rich...rich I tell you!

Line pressure is deffinately higher than stock. Control pressure is lower than stock at both cold and warm.

I know how to make the WUR adjustable. I know which way to tap/pull the plunger to go lean or rich. I just want to pull whatever lingering little ponies and any throttle response out of this thing.

flame away.



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john vanlandingham
John Vanlandingham
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Re: Need to borrow wide band o2
April 21, 2010 11:37AM
Goddam Mike, you gotta take better notes. I can't believe youre wasting time with the stock 8v fuel dizzy with that shitty little 63mm door.

8v GTI Volks thing 84-85 is the stage 0,8 choice, it has a 80mm door and a slope that lets the POS rev much higher than the stock junk.
next Volvo turbo is a 80mm door and a venturi that makes things go richer as revs climb.
Yhe BIG deal with CIS and performance is to get it to richen up at higher revs.
get it right at idle/low revs and it'll be lean on top, get it right 9maybe 3-3,2% CO) on top then it'll be pig rich on bottom..
A critical thing is the shape of the venturi in which the airflow door sits in and if you look at the thing its clear that you need to get something that was intended to keep making power.
Saab OEM is all about clean off idle and mid range
The VW was 'spoosed to be a peppier little bugger and it does continue to get rich and rev.
Why don't you have one on your car?
I mean hell I don't even fuck with CIS and I have one right over there----> and next to it is a volvo turbo complete set up...



BTW lowering control pressure is the right direction for making the thing run ricjer at higher revs---- but you know how much I hate typing so you just have to accept that.

Rememeber the 2 door 900 you guys got from me?
I thought that thing ran pretty good at higher revs.

Ever thought of grafting on electronic insprutning from a NA 16V?
At least then convention knowledge like injector sizing and fuel pressure makes simple to understand results and you aren't stuck with the fixed venturi..
As it is now you must change the venturi to affect the slope.

And possibly even more drastic shit like spark eroding the width of the slits inside the fuel head which is what meters the fuel as the ground rod drops.

but i think you are going to be expending all sorts of effort on parts which aren't ever going to do what you need, much less what you want.



John Vanlandingham
Sleezattle, WA, USA

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CALL +1 206 431-9696
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Rallyho
Mike White
Mod Moderator
Location: Camden, Maine
Join Date: 02/20/2006
Age: Possibly Wise
Posts: 187

Rally Car:
Saab 900 - aka-The Swedish Rally Tractor



Re: Need to borrow wide band o2
April 21, 2010 01:18PM
I have been getting stupider with age John, so I'm sure I used to know all that shit but have just forgoten.

I'm with ya on the efi thing...definately don't want to waste any more time or money friggn' with this thing than I have to. If a rare-bit or old volvo T dizzy is what I need, and there is a relatively easy way to hook up the snorkus, then I'm in...but I still need something to tell me when the bich is rich and lean is mean.

If you've got parts sitting on the shelf, by all means man...send em out!

And what 2door 900 are you talking about? I don't remember any 2door....



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john vanlandingham
John Vanlandingham
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Rally Car:
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Re: Need to borrow wide band o2
April 21, 2010 01:27PM
The fawkin silver 2 door hatch NA 16v some buddy of yours was gonna make into sumpin but didn't cause he's a flake-monster....

Geeeze you smokin da spliff, mon?



John Vanlandingham
Sleezattle, WA, USA

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Rallyho
Mike White
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Location: Camden, Maine
Join Date: 02/20/2006
Age: Possibly Wise
Posts: 187

Rally Car:
Saab 900 - aka-The Swedish Rally Tractor



Re: Need to borrow wide band o2
April 21, 2010 02:24PM
I vaugely remember something like that...notchback..little rusty 'round the a-arms maybe...went away on a trailer?

Dude, that was a lonnnng time ago....and I think you'll remember you were likely on something slightly stronger than backyard Boo-ya.

Back to the drippyp CIS crap. Are you telling me a wheezy, little saab motor with a crappy cyl head is going to go lean at "high" (6800) RPM?





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Andrew Steere
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Re: Need to borrow wide band o2
April 21, 2010 04:50PM
I can't remember who ended up with that two door either. But I do remember the car.



Andrew Steere
Lyndeborough, NH
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john vanlandingham
John Vanlandingham
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Join Date: 12/20/2005
Age: Fossilized
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Rally Car:
Saab 96 V4



Re: Need to borrow wide band o2
April 21, 2010 05:33PM
Rallyho Wrote:
-------------------------------------------------------
> I vaugely remember something like
> that...notchback..little rusty 'round the a-arms
> maybe...went away on a trailer?
>
> Dude, that was a lonnnng time ago....and I think
> you'll remember you were likely on something
> slightly stronger than backyard Boo-ya.
>
> Back to the drippyp CIS crap. Are you telling me
> a wheezy, little saab motor with a crappy cyl head
> is going to go lean at "high" (6800) RPM?

Not so long ago.
And i was on nothing, cause nothing worked not 4 Advil four times a day , not 4 x4 aspirin but that's not surprising when the nerves were nearly pinched off
That car felt like it'd rev till the end of time.

And yeah the thing will go lean if its good at idle and midrange.

The VW and the Volvo fuel dizzy bolt right up to the stock Saab bottom, and hoses connections are same size..

And that is from over 20 years ago....

Memory is trained, son.
>
>
>
> She's screamn' fer eet!
> Rallyho
> Mike White






John Vanlandingham
Sleezattle, WA, USA

Vive le Prole-le-ralliat

www.rallyrace.net/jvab
CALL +1 206 431-9696
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