Greetings...
I have recently purchased an early 1963 TR4, and have an emissions system
question. When I purchased the car, the PO indicated that the idle was set a
little high (actually around 1300 RPM). When I tried to adjust it down to
normal, I quickly learned that the engine would not idle any lower. It didn't
take me long to figure out that the problem was the unconnected hose leading
from the top of the intake manifold. There is also a hose connection point on
the top (not the side as I've seen on TR4s w/ emissions control). The oil
filler cap is the open circuit breathing type, and there is no sign of a PCV
valve. The car has the SU type H6 carburetors with the standard air
cleaners.
I simply plugged the intake manifold and valve cover holes with an appropriate
sized bolt (they both had threaded inserts w/ a hose connection). The car
seems to run fine now with a good idle.
Base on all the information I can find, this car should not have an emissions
control system. Does this sound right? Is there any way I can verify this?
Also, does what I done to this point seem reasonable?
Thanks in advance for any info/help!
Kurtis Jones
1963 TR4
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