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Re: [Healeys] High speed miss - more info

To: healeys@autox.team.net
Subject: Re: [Healeys] High speed miss - more info
From: Oudesluys <coudesluijs@chello.nl>
Date: Tue, 20 Aug 2013 11:19:35 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <6.2.3.4.2.20130817192955.02070910@pop.att.yahoo.com> <6.2.3.4.2.20130819200209.0215a1a8@pop.att.yahoo.com>
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8
The rebuilt fuel pump would be my first point of attention. Try 
measuring the delivery of fuel in liters /min and the fuel pressure. The 
fuel pressure should generally be around 3-4 psi, fuel delivery should 
be at least 0,5 litre per minute at the normal pressure.
Another point to check is your dwell angle.
Kees Oudesluijs
NL


Op 20-8-2013 5:07, john spaur schreef:
> At steady acceleration to 4000 PRM in 1st, 2nd, and then 3rd the car 
> runs smoothly. It runs smoothly in 4th too, although I can not quite 
> get it up to 4000 RPM. It misses and lacks power under harder 
> acceleration. The fuel filter is clean (but a small glass one), carbs 
> are rebuilt, and the fuel pump is rebuilt although I have not tested 
> the pressure. The gas tank is new and clean.
>
> Original coil, but the distributor is rebuilt, good cap, new good 
> rotor, new good points, new gapped plugs.
>
> Seems like fuel starvation and not timing.
>
> Any thoughts?
>
> John Spaur
> '62 BT7
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