Absolutely
Phil Smith
TR6
----- Original Message -----
From: Rob C Swift <RobSwift@petcentre.com>
To: Triumph List <triumphs@autox.team.net>
Sent: Monday, June 19, 2000 10:44 AM
Subject: RE: Non LBC: Toyota help please?
>
> I think what that Corona needs is a twist of lime.....
>
>
>
>
> -----Original Message-----
> From: owner-triumphs@autox.team.net
> [mailto:owner-triumphs@autox.team.net]On Behalf Of Pete & Aprille
> Chadwell
> Sent: Monday, June 19, 2000 10:07 AM
> To: Triumphs Mailing List
> Subject: Non LBC: Toyota help please?
>
>
>
> Hi folks.
>
> The TR6 is running flawlessly... it's my 'LJC' that needs a little help...
>
> This is an older (1981) Toyota Corona with a 22R carburetted engine.
> Bone stock, although I replaced it with a rebuilt unit in 1987. This
> new engine has only got 25,000 on it, but the rest of the car is
> pushing 225,000. (and that means all the ancillary engine
> components: distributor, carburettor, etc.) This car has some sort
> of electronic ignition, so points are not an issue. Inside the cap
> there's a little "magnetic pickup" unit similar, I suppose, in
> function to the Allison 'optical' unit on the TR.
>
> Here's what's going on: First of all, it seems to misbehave mainly
> in the TRANSITION between running 'cold' and achieving proper
> operating temp. Of course, this time of year that transition is not
> very long. When it is thoroughly warmed up, the incidence goes way
> down.
>
> When you're launching from a stop, or even very low speeds (like in a
> parking lot) the engine stumbles instantaneously and nearly dies.
> The stumble occurs JUST AFTER your left foot has LEFT the clutch
> pedal and the engine is at low revs, just beginning (and I MEAN 'just
> beginning') it's acceleration. It acts like maybe it's out of fuel,
> if only for just an INSTANT (and I MEAN 'instant'). But then, just
> as quickly as it tried to die, everything returns to normal and I
> drive off. The net effect is a hurky-jerky start from a stop in 1st
> gear. It can also happen in 2nd if revs are low enough and the load
> is high enough. My usual immediate reaction is to throw the clutch
> out again to keep the motor running, but I'm not sure that's always
> necessary. Although, my wife says it's died on her a few times. You
> can also minimize the stumbling by feathering the clutch a little and
> giving it a bit more throttle. I think it's important to note that
> when it stumbles, your left foot is COMPLETELY OFF of the clutch
> pedal and has been even if only for a fraction of a second. The
> engine begins accelerating normally, just long enough for you to
> conclude that 'this time it's not going to do it' and just then, WHAM.
>
> I didn't want to spend too much time troubleshooting this until I did
> some basic maintenance over the weekend. It was LONG overdue for new
> plugs, new cap and rotor, fuel filter and air cleaner. I also
> changed plug wires. The cap and rotor were particularly shot. I was
> hoping that by some fluke one of these things would eliminate the
> problem, but I wasn't too surprised to find that it didn't make any
> difference. At least I've eliminated those things and I can focus on
> something else... But what? I'm leaning toward carburetion myself.
> Mostly because I think asking a carburettor to travel 225000 miles
> without a rebuild is a little unfair. At the same time, I HATE
> working on these Hitachi down-draft type carbs. They are a pain.
> I'd like nothing more than to be able to fit a trusty pair of
> Zenith-Strombergs on it!! (he, he!)
>
> Anyone have any suggestions?
>
> Pete Chadwell
> 1981 Toyota Corona LE
> 1973 Triumph TR6
>
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