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I used to run it in my '69 valiant, but I had FAST fuel injection, and switching from pump gas to e85 was a five second job in the computer. I averaged 2 mpg less using the e85, but could notice the power difference

I had fast xfi on my valiant about five years ago and used e85 when I could find it. I did have to go into the computer and change what fuel it was reading, though

I had a '69 Valiant a few years ago with a 400 in it, I went through Rich Nedbal at Mopar Engines West to get my FAST XFI system, he'll set you up with everything you need, and I can't say enough good things about him or the XFI system. It made a WORLD of difference on my car, with cold...

Well, I believe I pretty much got it fixed. With the idle screws so far in, I couldn't get it to crank very well, so I moved them back out to 1 full turn out, and it's back to cranking good. The front float was pretty low, so I adjusted it back right. I drove to hell (Walmart) to try it out...

with the idle mixture screws turned so far in to get the best idle, that would mean I'm running rich, right? I can see some black smoke coming from the back while accelerating. I could be completely wrong, but I'm thinking going down to 60 jets, and changing out the secondary spring back to...

I guess I'm not REAL sure how to tell, but i think it's after the initial pump shot. It revs for a second, stumbles, then picks back up

And I think nitrous would be kinda pointless when it floats the valves above 4000:D

Yeah, it idles fine, it's when you hit the gas that the stumble occurs. I found best idle with the idle screws at 1/2 turn out from bottom (I don't have a vacuum gauge) I also found the accelerator pump arm was hitting, so I adjusted it off the thickness of a sheet of notebook paper (can't...

yeah, definitely looks like a squirt gun stream, really seems like too much going in

So, I bought a rebuilt carburetor off a guy on here to replace my 2 barrel. My car's a bone stock '72 dart, 318 auto. The carburetor is a 600 cfm vacuum secondary holley with electric choke. It has electronic ignition, if that makes any difference. Anyway, I got it all hooked up and it has...

Hey guys, I'm switching from the original 2 barrel to a holley 600 cfm 4 barrel on my car, and wondering where the vacuum lines from the charcoal canister are supposed to go? One of the lines is teed into the big line, the same one that goes to the PCV valve. One is going to a small vacuum...