[6pack] vacuum leaks

[Mark Hooper]

Hi Oliver:

Are you sure it is not the vacuum retard? When there is only one unit on the
distributor, it is a retarding unit so far as I know. My idle was too high
until I replaced the part and then would idle down to the mid hundreds of rpm.
I don't know if one can have an intermittent leak in the dizzy diaphragm. If
not, then one could do worse than looking at the brake booster and the input
to it.

Cheers,

Mark
1972 TR6 - triple Stromberg.

-----Original Message-----
From: 6pack-bounces at autox.team.net [mailto:6pack-bounces at autox.team.net] On
Behalf Of oliver
Sent: May 6, 2010 7:54 PM
To: '6 Pack list'
Subject: [6pack] vacuum leaks

hi, all.

1972 tr6, triple carb, gp3 cam, shaved head, etc.

my mechanic tells me from the symptoms - idles sometimes at 1800, sometimes
800 or lower, that I have a vacuum leak.

is there a good way to trace that down?  the spare dizzy is in the car right
now; it has the vacuum advance (and points).  the rebuilt one is ready to go
(pertronix, recurved, no vacuum advance, etc).  follow up question - should I
put that in first?  and what do I do with the vacuum line?

thanks!
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