REFLECTOR: The 340HP Aluminum V-6 runs!

Mike Dawson medawson250 at yahoo.com
Sun Mar 4 11:39:38 CST 2007


Congrats Fellow controller! We fired up the V8 last
sumner and it was great. 

Keep me informed, once you get a prop on, on how that
Evans coolant works for you. The ground cooling fan is
working well for us but during the heat of summer she
gets up to 230 quick!
Mike
--- NMFlyer1 at aol.com wrote:

> Well, This was a long time coming!  In short, today
> I fired up my 340 HP 
> Aluminum 4.3L V-6 Chevy. Finally. 
>  
> I remember telling people a long time ago that I
> should be able to build this 
> thing in about 3 years. Well, If I followed the
> plans, I'd have been about 
> right. 
>  
> I spent some time this morning trying to see what I
> may have missed, forgot, 
> or done wrong over the last many years. I found a
> couple loose wires, and 
> smoke tested the aircraft systems. All was good. I
> have a strange setup, so it was 
> a bit of an adventure. Turn on battery master 1, 2
> or both... and a couple 
> things happen. The backup digital engine gauges
> light up, and power is supplied 
> to the ignition key, and master switch. All that
> worked. 
>  
> Switch the ignition key to "on", and there is
> supposed to be power to the 
> fuel pumps, ignitions and fuel gauges (including low
> sump warning).  All that 
> worked. 
>  
> Double checked all the fittings (a few small leaks
> in some fuel lines were 
> tightened up) and poured in the fuel until the low
> sump warning went out, almost 
> 3 gallons. I poured in 5 gallons total, and the fuel
> was just registering on 
> the bottom of my digital capacitance fuel gauges
> (none in the sight gauges 
> yet). 
>  
> I filled the cooling system with Evans Cooling Fluid
> (_www.evanscooling.com_ 
> (http://www.evanscooling.com) ).  Took some time,
> but I got the system 
> "burped".  I read thru the instructions on my
> airflow performance fuel injection to 
> brush up on how to start this sucker... and it was
> time to turn the key. 
>  
> Well,... It sure cranked good with the 2 B&C 16AH RG
> batteries.... But it 
> wouldn't start.  We grabbed a timing light and made
> sure we had spark.. yup.. 
> that's good. Seemed like it wasn't getting fuel.
> While checking a few things 
> something odd happened.  NOTHING.  The battery
> masters, key switch, nothing would 
> work. Seems like I neglected to get the panel ground
> hooked up right to it's 
> sub-ground point. Once I found that... all was back
> to normal. 
>  
> A short while later.. while playing with the mixture
> and fuel pump switches.. 
> Bang... it fired up and ran like a beast!  about
> 2500 RPM, nice and smooth, 
> and a tad loud :)  
>  
> Over the next few hours, we got the timing and
> mixture adjusted to the point 
> where it fires right up. I think it is still running
> a bit rich on the idle 
> circuit, but it runs good. Since I have no prop on
> it.. I cannot run it 
> indefinitely because it heats up ... but it can run
> quite a while with my boost 
> cooler/heater on full. 
>  
> One weird thing I have to figure out:  The oil
> filter can doesn't warm up. I 
> even swapped out a new can, and the same thing. The
> oil cooler sandwich 
> adapter does allow the oil cooler to open up once
> the oil hits 190, but the filter 
> can is still cool to the touch. Oh well. I'll figure
> that out too. 
>  
> In the end, I've had a pretty good day. Both
> ignitions and fuel pumps work 
> fine ... not even a burble when you switch from one
> to the other. Temps and 
> pressures seem to be normal, and no leaks yet. 
>  
> OK.. So it added years to my construction time....
> Today it sounded fantastic 
> and brought people from all around the airpark to
> hear, watch, etc.   
> Priceless :) 
>  
> Kurt Winker
> 173 FGE  
> 4.3L aluminum V-6... RUNNING! 
>  
>  
>
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