Ferrari Mailing List: Re: Hello from the South

[Robert W. Garven Jr. (rgarven]

Francis,

Glad to hear you are having fun. Your car has the fixed bulbs right. The US cars have a sealed beam type. Actually the carbs were one of the easier projects I tackled as all the parts only go in one way!  HA

Rob

Robert W. Garven Jr.

rgarven [at] gmail.com

 "The Ferrari is a dream - people dream of owning this special vehicle and for most people it will remain a dream apart from for those lucky few." Enzo Ferrari

On May 30, 2014, at 5:39 PM, francis newman <francis [at] fntn.co.uk> wrote:

Hi Rick and Rob

Headlights didn't go according to plan The plastic holders just didn't work. So a trip to a local fasteners shop gave us all we needed, (sum total $3 ) new screws and all was well and I will refurbish the rusty wells over the winter.

Rob - yes there is rich and rich. Once again I had cylinder one not firing (wet plug) and changed all the plugs. Now fine.

No Rick. Carburettor stuff beyond my competence to sort. So over to the shop.

Yes - pics soon

Onwards and upwards.

Got to prepare a talk on Ferrari have to give on Tuesday, so not much time to post further.

Best

Francis









On 30 May 2014, at 13:11, Rick Lindsay wrote:

Hello Francis,

Have being doing work.

:-)

Can't remember when I last reported but latest stuff has been replacing
the outer headlights with new ones, replacing all headlamp bulbs with
H1 nd H4 and completeley rewiring them direct from the battery with
local relays tirggered from the original circuits.

I replaced the headlights in my 308GTB with flat-face lens and reflectors, and halogen bulbs. I did not rewire or go to a relay switched system but the improvement was considerable. I also just replaced the headlight lamps in my Volvo 1800ES.  I used Sylvania blue-white sealed beam lamps and the improvement is astounding; weak yellow to crisp, bright white.

They now work as intended and are a zillion times brighter1

Tomorrow my friend and I are going to replace the original rather worn
out  metal headlamp cup hoLders with some more modern plastic ones.
Will then post some pics.

Please do.

I know that is non original, but I would rather something that works
properly. I will retain the old stuff in case a future owner wants to
return to originality.

That is my work model as well. I try to avoid non-reversible changes.

1,000 miles so far.

Excellent. Running better all the time I would bet! These cars like to be driven. I could make up some physics to explain that but I'd rather just enjoy it.

Next step is getting the carbs reset as it is running rich.

Do you have emissions testing as part of your MOT for old cars? That varies state-to-state here. In Texas there are no inspections required for old cars. (Old defined as >= 25 years.)

Running rich is better than lean. Lean translates to lower power and hot. And one might ask; Is it rich all across the power band or just at idle?

Do you plan to rebuild your 40DCNFs? If so, doing it yourself? The job is not hard or even complex but it is long and tedious. Fortunately, your carbs probably need nothing more than adjustment, since you drive it a lot and its running well.

I let my 308 sit unused for a long time when my mom lived with us, and before she died. We did little more than care for her for over a year. Once I got the 308 back out I noticed a 'stumble' when adding a little Wellie. Stomp it and it would go like stink but small throttle opening produced a very unsatisfying stumble-lag-then-go. The problem was gum built up in the accelerator pump circuits. The added air was not being enriched so the charge leaned out, and the engine stumbled.

If you choose to adjust and re-sync your carbs yourself, please let me know. There are numerous tricks that make the process much less tedious. But before you do anything, make sure you have a nice, clean, correct air filter. A clogged-up air filter can cause rich running!

Best regards,

Rick

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