I ran 3/8" steel lines for fuel feed and return on mine. Yeah, it is a PIA to do... I also knew it was overkill when I did it, I did it anyway :] -- Mark Price Morgantown, WV 1969 AMC Rambler, 4.0L, EFI, T-5 2004 Grand Cherokee Laredo, 4.7L, Quadratrc II " Chronic Pain Hurts" -------------- Original message ---------------------- From: Glen Hoag <hoag@xxxxxx> > At 10:13 PM 1/3/2008, you wrote: > >-- Glen Hoag <hoag@xxxxxx> wrote: > > > > > It could be done, but throttle body injection would certainly be much > > > easier. MegaSquirt would be the ideal controller for either > > > scenario, because it is fully programmable with a laptop computer. > > > >Yeah, TBI is simply easier, though TPI is cooler :-) > > > >I've toyed with the idea of EFI for a long time but in the end stick with > >carbs for the simple reason that I deal with computerized crap every day > >and I genuinely like the organic low-tech of carbureted motors. EFI isn't a > >single component like a carb switch, it's a whole system of subtleties that > >I don't want in my favorite pasttime. And in early 60's cars (that are 40's > >cars at heart :-) it just seems incongrous. > > > >But with a shot at 25+ mpg long-term-average a workable TBI system for this > >motor might be worth it if I can reign in system sprawl. There's like three > >wires needed to make the motor go right now. I like that! I don't want a > >freaking harness on the head! > > > >But a little TBI with oxygen and coolant sensors, and one small box, maybe > >I could live with that if it gave me SUBSTANTIALLY increased mileage. I > >don't really care about a big increase in power. I have carbs down, my carb > >cars always start perfectly and run great (as great as carbs ever do :-) > > I can't guarantee increased mileage, but it stands to reason that > there would be some improvement. With a wideband oxygen sensor and > controller, like the Innovate LC-1, you can run quite lean at cruise, > which would help on the mileage issue. > > > > >From what I read I worry about idle problems, and hours upon hours of > >laptop fiddling maps. Playing with computers stopped amusing me a decade > >ago... > > > >But I'm again doing online research (and your page last night; if I go this > >route I'll probably buy preassembled!). > > > >I don't like the high-pressure fuel plumbing I'd have to do. I also don't > >understand why everyone says I must increase fuel delivery line size, when > >I am not going to be consuming more lbs/hour of fuel; probably less! I have > >vacuum wipers and will keep them; it's gotta work with that. It's gotta > >work with an old-style distributor (with Pertronix). Etc.... > > I agree about fuel line size. Most people install MegaSquirt for > more power, so they would need more fuel. If you need to plumb a > return line, you would have to increase the supply line, but I don't > think that's necessary with most TBI setups. I haven't gotten around > to installing my own system yet. Too busy building them for > others. (The cobbler's children have no shoes.) > > With the v3 board, you can lock the distributor advance down and use > MegaSquirt to control the coil as well. One wire out of the > Pertronix device and one wire into the coil. You can run it in fuel > only mode, if you don't want to add ignition control. > > > >Too many variables at this point; if I get confident I can knock that down > >to managable I may go the EFI route. > > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list