<VV> 140 pinging

[J R Read_HML]

Heat is your enemy.  Many things can be done to reduce it.  Quickest is to 
remove the lower shrouds.  Another is to clean the casting flash from 
between the fins on the head.  Use synthetic oil.  High octane gas.  Clean 
the fins on the oil cooler.  Dial the advance back a couple of degrees... 
more.

Later, JR
CCE and CORSA member
'61 Rampside Standard 4/110
'65 Monza Convertible 4/140
'66 beater 500 Coupe "icemobile" 4/140 (50%)


----- Original Message ----- 
From: <Pitts10ch at aol.com>
To: <virtualvairs at corvair.org>
Sent: Tuesday, May 08, 2007 6:47 PM
Subject: <VV> 140 pinging


> Hi gentleman,
>
> I am probably revisiting a long dead issue.  I drove a '67 Porsche  911S
> today down the highway at great power and speed.  It was nice 
> but............I
> love my '66 140/4 but if I do the same thing with it, it pings  at times 
> and I
> hate that.  I know that if you let fuel stagnate in the  secondaries it 
> loses
> some octane but that really shouldn't be an issue as I  purge them often. 
> Any
> suggestions?  Thanks gents.
>
> Chris Hand
> 66 corsa 140/4
>
>
>
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