Re: [Amc-list] EFI on 195.6OHV...

[Russell Neyhart <rtneyhart@xxxxxxxxxxxxx>]

I still have my Howell EFI setup if anyone is interested, new in the 
box, extra air cleaners...

Glen Hoag wrote:
> 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.
>>     
>
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>   

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