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Re: [TR] Apparent vapor lock

To: Chip19474@aol.com, triumphs@autox.team.net
Subject: Re: [TR] Apparent vapor lock
From: DLylis@aol.com
Date: Sun, 9 Nov 2008 18:58:24 EST
To all, Thanks.  
Yes it is the 3A.  Sorry I should have been more specific.
I have one of Joe Alexander's heat shields, but also have a header on this  
car. 
It has a 270 degree modified cam from BPNW
Pulling out the choke makes it worse.
Today I "fluttered" the gas pedal and increased RPMs and it cleared up but  
returned soon after I drove with a steady position on the pedal.  This  tells 
me that it is being fed too much fuel (?), and to be honest, behaves like  it 
is only one carb.
When I shut off the car the temp gauge goes a little north of the mark  
between 185 and 230.
The thermo bypass hose was plugged when I disassembled the motor but I  did 
not replug in when I reassembled. 
I drove this car about 35 minutes to breakfast with my Sunday LBC  chums and 
35 minutes back hitting speeds near 80 MPH (OD) and the car ran  like a champ. 
 I pulled into the garage, went into the house to get  something and about 5 
minutes later started her again and drove off.  It  started missing about two 
minutes after that.  That describes the  experience 2 or 3 times in the past. 
 
I had a similar experience once with my 6 and it was because there were  
Grosse float valves with the little ball.  I replaced then with OEM style  and 
it 
went away.  It does not appear that these carbs have Grosse,  although I have 
not removed them to look at them.  They appear to be the  ones with the rubber 
pointed tip, but only by what I can tell by looking at the  end I can see.  
Jeff Palya rebuilt and polished them for me.
 
There is not something basically wrong here, as this car runs very  strong.  
Something is changing, and I am believing it is caused by  heat.  Of course, 
90% of carb problems are electrical!
 
 
David  Lylis
69 TR6 CC26160L
60 TR3A TS74461LO
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