The first one is just air/fuel, not wideband. As you see it only operates in a very narrow band, from like 12 to 15. I guess it might possibly work, but if you are really far off you won't know it, i.e. very lean it would only register 15, when you might really be at like 19 or something. The second one you listed is a wideband, and the same one I have, I believe. Innovate LC-1 with gauge. You would only need a laptop to do data logging. But while you're spending the cash you might as well get what you need and have more functionality, plus the gauge with the wideband would mount in a pillar pod. The pods are only like $25, and come in single or dual mount, and it actually replaces your entire pillar trim. I got a dual and have a Autometer D-PIC gauge in the second one.

This is the exact wideband/gauge combo I bought. I think the gauge is also available in red:
http://cgi.ebay.com/ebaymotors/Innov...spagenameZWDVW

Here is the pillar pod:
http://www.gaugepods.com/mazda.html

Most likely ill drop some cash on the second one in 2 weeks or so... im trying to plan a trip to germany for june right now.. thanx for all the info.. when i get to actual number ill be back for where to go..

Just thought I would post here since I have a 45 DCOE now. It is on an old school 13B 4 port (stock ports), road race header.

I know it came off a FB, but thats it. It has the 36 chokes. Hope I can get it running good once it is on.

glad i could help! in order for these carbs to work good the jetting has to be spot on...

Alright, so what do you recommend for:

13B 4 port
FB electronic dizzy conversion
Road race header, silencer, catback

Carb is a Weber 45 DCOE with RB upper and lower intakes :)

Keep in mind this is also a Cosmo, not a 7 so she is pretty heavy. Also, would need to work well here in Middle Tennessee as well as the elevation of Deals Gap (not bad, from 877 to 1962ft)

65 f9 or 70 f9 idle jets

f11 e tubes
190 main fuel jets
180 air corrector jets
0 bypass accel pump jet

venturi size will depend on where you want your powerband to be

38-40mm venturis will be good for lots of midrange power,and good driveability. bigger venturies will give you more peak power but your mid range will suffer

wow... brought it back... tis been 3 years almost running the 45 i love it... its still on a 12a... the 40mm chokes really come alive up high i never did get around to changing to the 38's because i loved where the power came on at... i have a s5 6 port that i plan on swapping in... Rob will those specs work out for a 6port as well? and will a 45dcoe be able to handle a streeported 6port with sleeves removed? or is stock about as much as it can handle?

the 45 will work good on the 6 port and the jetting should be about the same..
on a ported 13B a 48mm gives you alot more power potential over the 45mm

Yeah I brought it back. Yay me!

I just want my shit to run right, and I am tired of sifting through all the BS on the 7club about carbs. I figured Rob had seen it all, and would know what set up to use.

Thanks guys. This weekend I am taking the carb apart to see what jets/tubes it has in it. Can you get those parts, and Weber rebuild kits??

i get most of my parts from 2 places
http://www.carburetion.com/
http://www.webercarbsdirect.com/prod...2.1047.05m.htm

Thanks man. I went ahead and ordered the rebuild kit and a new set of soft mounts.

Question..when I get into the carb, if it has the old brass floats, should I replace them with the plastic floats? I hear they are better.

It is a 45DCOE 152 if that makes a difference.

my 13b street port has
205 fuel
200 air

44PHH mikuni side draft style.
very thirsty lol. But it also is 8 degrees outside. I think it has 40mm venturies...

Mine had plastic floats already, think the brass ones are in the ida's but it might also depend on how new it is.... its only 5 or so screws to pull the floats out.... ... and the only benefit i believe for plastic is for blow thru applications... Rob would have to confirm..

Well, I am hopefully get the chance to pull it apart this weekend, but I ideally want to wait until the rebuild kit gets here. I need to clean it externally as well. I doesn't look bad, just has some grime on it.