Andy, replace the fuel filters, set the float level, let the tank get just
as low on fuel as possible, then fill with super high test. Have you ever
tried to drink a very hot beer that has been open for 2 years, don't feed it
to your car either.
----- Original Message -----
From: Amatruda, Andy <aamatruda@email.mc.ti.com>
To: <triumphs@autox.team.net>
Sent: Monday, September 27, 1999 10:17 AM
Subject: TR4A Sputtering / Loss of Power on Highway
>
> After several annoying misfortunes after rebuilding the engine I finally
put
> the car up on the Highway. Almost all of the vibration experienced
> previously is gone due to 1) balancing the wire wheels at a business that
> actually knows how to do wire wheels correctly and 2) balancing the
> driveshaft. However a couple minutes of highway speed brought on
> backfiring/sputtering through the exhaust with a significant loss of
power.
> When I got off the exit and resumed city driving it seemed to "recover".
> Checked under the bonnet; everything seemed OK. Went back home and the
same
> thing happened (I could barely maintain the speed limit).
>
> Things to consider:
>
> The car hadn't been driven for 2 years during the rebuild (carbs were
> rebuilt a few years earlier)
>
> The engine has less than 100 miles on it
>
> The gas, although it has stabilizer in it is also about 2 years old
>
>
> I suspect a fuel delivery problem. I seem to recall a thread about
setting
> the floats in the bowls. I have installed Grosse Jets and have never felt
> that setting up the floats per the manual is giving the desired result so
> this may be a problem. Anyone have any comments here?
>
> I'm going to replace my in-line fuel filter a lunch to see if that is
> creating a restriction. What else should I check?
> Regards ..... Andy
>
> Andy Amatruda
> Senior Member Technical Staff
> AS&C, M&C
> aamatruda@ti.com
> (508) 236-3219 phone
> (508) 236-3586 fax
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