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Re: [Healeys] OT: Old Ford tractor acting spastic

To: healeys@autox.team.net
Subject: Re: [Healeys] OT: Old Ford tractor acting spastic
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Sat, 8 Jun 2019 09:18:38 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <bf06db15-54d3-1e60-0278-d56a8c9be088@comcast.net>
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:67.0) Gecko/20100101 Thunderbird/67.0
Dirty fuel causing blocked fuel filter if fitted, Fuel cap not venting 
causing a vacuum in the tank (my best bet), bad condensor (even new ones 
can be crap), plug leads.

Kees Oudesluijs



Op 8-6-2019 om 08:46 schreef Bob Spidell:
> Not Healey-related--although I've heard Healey engines described as 
> tractor-like--question for the List wisdom.  I have an old Ford 
> tractor, model 851 manufactured in the early '50s, with a 4-cyl 
> engine.   Compression is good--145+/- on all four--and I've replaced 
> points, condensor, distributor cap and plug wires and rebuilt the 
> butt-simple Marvel Schebler carburettor (plugs were OK).  After the 
> work, the tractor started quickly--after I fixed the 180deg-out 
> distributor cap--and ran good for 15-20 minutes with a load from a 
> scraper.  Then, it starts backfiring, tries to stall and struggle for 
> a few seconds  then, if it doesn't die it seems to recover for another 
> 15minutes and then the show starts again.  The coil had some corrosion 
> in it so I replaced it, with no change.  This tractor ran consistently 
> but very poorly under load before my work.
>
> Only thing I can think of is the carb float sticking but it was an 
> easy rebuild and I recently rebuilt another with no issues. Any ideas?
>
> Bob
>
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