exhaust temperature problems 911 sc

[Mortimer84]

Hello
i need help, i have been trying to repair but i don' t find the solución.
car:911 sc 1982 california (catalityc)

The problem its that the exhaust have became in red, to hight temperature.
I have am restoration the car and i change to many things at the same time and that was the reason i dont know were is the fault

In resume now

I found wur clogged, fails the pc (over the rear seat, i dont know the name) the ones that control the solenoid for the fuel (the buzzzzzzz), and doing the test a spark plug wiring broken.

Wur repaired and andjust, new spark wiring and sparks, new used computer, new o2 sensor. Fuel sistem have new inyectors and distributor open and cleaned and checked.
now system i think its working ok

i try to adjust timing. i see different ways, i dont know the best one.


now, i go for a little ride and i have 480ºF at the end of the catalytic converter,

i think its to hight

in your opinion, what order and what checks i can do?

regards

[Mixed76]

480F is not too hot. Steel glows over 800F, which is still a normal exhaust temperature; the exhaust metal will easily get that hot if you are driving hard.

At idle the steel should not be that hot; leaky exhaust valve would be my guess.

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