Hi Larry,
Just a thought - Before you do anything else, check the operation of the
choke and make sure that when you push it in it is really wide open and the
linkages aren't getting hung up somewhere. With that kind of weather, you
shouldn't need the choke anyway.
Bob
----- Original Message -----
From: "larry stein" <lstein@ehc.org>
To: <102720.3264@compuserve.com>; <triumphs@autox.team.net>
Sent: Friday, August 03, 2001 2:50 PM
Subject: 72 gt6 performance problems
> status report...
> i have my 72 gt6 in a driveable state now. today i drove it for the
> first time.
>
> 1. i don't seem to know how to start it properly. the weather here is
> dry, 60 degrees f in the morning (and late eve) and high 80s to 90 f
> during the day. should i use the choke ? it seems that if i touch the
> gas peddle it doesn't want to start. i got it going by playing with the
> choke out, in, half out etc.
> 2. if i am at low rpm while driving the car is sputtering and back
> firing
> mid to a little higher rpm it is much better.
> very high rpm it knocks quite a bit
> so i had to keep the engine at mid rpm to make it happy.
> when taking off from standing stop i have to really rev the engine
> to get the car going else the engine will really bog.
> 3. the compression is 200 lbs in all cylinders (i verified). i know
> this is high so someone had the head milled.
> 4. the spark plugs were black soot.
> 5. the car runs on when switched off even with the anti run on connected
> to vacuum line and ignition switch and oil pressure sender. wires are
> correct although i did not take a volt reading.
> 6. i have set the valves at .010 and rechecked them
> 7. i have set the points to .015 but do not have a dwell meter to check
> that. how do you adjust the dwell anyway ? i don't know how to do
> that.
> 8. i have set the timing to 12dbtdc with the vacuum disconnected from
> the distributor
> questions...
> q1. what should i do about the timing ? if i set it lower the car will
> not idle
> q2. why does it run on ? there is not a large hose on the anti run on
> valve. does that need to be connected too ? right now the only small
> vacuum hose comes from bottom of rear carb to a the ant run on valve and
> intake manifold via t connection.
> q3. why does it bog from standing start ?
> q4. why does it not like high rpm ? i am thinking timing, but if i pull
> it back it won't idle.
> q5. i don't know what gas is in the tank, only that it is not too old,
> maybe a month or two. i don't know if the prev. owner put in regular or
> premium. should i buy a can of octane booster to see what that does ?
> q6. i ordered the carb adjusting tool to try and bring the mixture
> leaner (black sooty spark plugs). i have seen some visual tools for
> checking the mixture. can you recommend something ? the book says to
> turn it one way, then out 3 1/2 turns or something like that, then turn
> it the other way till the idle goes up (or down). is that method
> (manual) good ? or should i buy one of these add on tools for checking
> mixture ?
>
> thank you for your assistance. hope my questions aren't too boring.
>
> larry stein
> colorado springs, co 80920
> lstein@ehc.org
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