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If you need a long drive to check out those webers, come on out.
Glad to hear you've got it running pretty good. |
Well addressed and deliveredCobraViper. I have been thinking about producing a Weber set up vidio. I can find nothing on line and it would be a great Club Cobra Vidio for a Club Library. I think together we could make a good vidio. What do you think.
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Jim, I noticed while following you down the freeway last night that you are blowing a lot of black smoke as soon as you give it a little gas at cruising speed. It really blows when you put your foot in it. It appears to me it is still running way rich at that RPM range.
Jake |
I like the video idea. I surely wish I had something like that when this journey began. It would be a very time-intensive project since there are so many variables to cover. The people who should really consider producing a setup/troubleshooting video are Inglese or Redline or Webers Direct since they would be able to generate additional sales on systems, parts, etc.
BTW, if you're blowing lots of black smoke when you punch it at cruising speeds, that's a relatively easy symptom to correct. In fact, easier to deal with than an idle circuit stumble. Drop your main jet size. I'm running 160's and everything looks clean. I tried 170's once and the car performed OK but I was blowing lots of smoke. If the main jet reduction cures the smoke but you lose power in the midrange and up top, go back to the original main jet size and try a larger air corrector. They only impact fuel mixture when the engine is running on the mains. It could also be the accelerator pump jets may be dumping too much fuel on the hit, but I'd try the other solutions first. |
Jake, Thanks, I know I am still rich and trying to cure that. I changed main jets from 135 to 145 before the run. I have a broken 140 jet so now I only have 7. I will have to pick one up and truy 140's. Part of the learning curve is like CobraViper said, I have to deal with eight carbs. At best my LM1 will only deal with four at a time so now I have to work with each one separately.
Cobraviper, Is your weber a 44 or 48, what size motor? im |
48IDA's. Originally set up by Total Performance in Wallingford, CT. The engine is a new-old-stock side-oiler, Shelby aluminum heads, Comp roller rocker solid lifter cam, MSD ignition. I should quickly mention that after the engine was originally built, the rings in a couple of cylinders scored the walls before they were seated in properly. Compression was way off and it was a while before I was aware of it. I could never get the Webers dialed in and I'm glad I didn't make the assumption that "Webers suck" and blame them for the lousy performance which many people do. Once I had the engine freshened up and all was well compression-wise, the engine responded to the Webers the way they should. That's another very important lesson: Webers have a low tolerance for bad compression, leaky valves, feeble ignition, or any other engine difficulty that a conventional induction system wouldn't expose.
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I'm getting the feeling that this thread may cost me some money next winter.**)
Thanks Jim. |
Money well spent. http://www.clubcobra.com/photopost/d...252-Webers.jpg
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You're a lot of help.;):D |
John,
Go with a FI system that looks like the Webers. Better performance, simple tuning and 99% wouldn't notice the difference. Sorry Jim. I like your set-up too but after you get it all dialed in, take a trip over the mountains and see what happens.:eek: Jim (TOO) |
cobraviper, It's my understanding is for the average guy, the way to set your weber is to have the LM-1 Air Fuel Ratio stay between 12.5 and 15 through all ranges. If they do stay their your carbs are set correct for drivability. Closer to 12.5. for max power. Also a Lambda range from 0.85 to 1.04. Is that true?
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Jim too, I wont have to change anything if you put a hitch on the back of yours. I will pull you to the mountain and you pull me over, team work.:D I think that would be a wise choice for silverback, since our rides sometimes cross over the mountains. The altitude change was very apparent on our last ride over the mountains with my duel quads.
Jim |
Jim,
I know what you mean with the dual quads. My Corvette runs perfectly at sea level and runs like sh!t up at Paradise on Mt. Rainier. That has to be the biggest advantage of FI. Are you in for next Sat.? Check the latest thread on the "Uptown Show". Sounds like they will give us Cobras boys a special area. We'll call it "The snake Pit". Jim (TOO) |
Yes, I am in, You may have to give my cobra the Heimlich maneuver:eek:
I have no idea how you spell that! |
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You don't mean "Hind Lick" do you?:LOL: (firefighter joke, sorry). I'll count you in on the other thread. Glad you can make it. Jim (TOO) |
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Weber "look alike" FI, like the Dynatek will set you back around $10,000 with install, dyno and misc parts. Ask Eric (GreatAsp) and I'm sure he's close to or over that figure with his BB setup. Webers, on the other hand, around $4,000 all in with no special fuel delivery or electronic parts. My bad, I did the install myself, so figure that cost in too if you need someone else to do it. |
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Before Weber's, Now seems kinda plain Jane don't ya think!
http://www.clubcobra.com/photopost/d...engine_048.jpg |
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