[T2] adjusting intake air sensor

[accessys at smart.net]

nothing beats a borescope for checking the innards of an engine, about 
$100 at horible freight

Bob

On Fri, 4 Oct 2013, jon wrote:

> Date: Fri, 04 Oct 2013 12:17:21 -0800
> From: jon <scintilla_22 at yahoo.com>
> To: Christophe Guilbert <cguilbert at picasso.ucsf.edu>,
>     "type2 at type2.com" <type2 at type2.com>
> Subject: Re: [T2] adjusting intake air sensor
> 
> HI Christophe,
>                      Depends upon how much $ you want to spend. I would just 
> replace the one bad cylinder-IF that is the problem. 110 isn't great but will 
> work for a long time. My low compression was due to a loose valve seat in 
> that cylinder.  Lucky it didn't fall out , break the valve, and trash the 
> engine.  The P&C were/are ok.  Depending upon how you are financially I would 
> pull the engine and have a look before making a commitment.  If that cylinder 
> looks good, no scoring on the cylinder or piston and rings in OK shape, I 
> would have the head checked for loose seats. I have had RIMCO rebuild a head, 
> but currently use a cheapo rebuild from AVP.  RIMCO took too long (3 months) 
> and I was in a time crunch. Still working fine.  Type IV bottom ends do not 
> need to be rebuilt as often as Type I's AFAIK.  If you have good oil 
> pressure, I would leave it alone.  Find a pulled vanagon engine, rebuild that 
> one taking your time to learn and do a good job with all the tweaks, then do 
> the swap.
>
> After you get the engine built/repaired I would be sure you are running a 
> _*good*_ CHT gauge.  The Dakota is good, but I use an $80 Dwyer hand held 
> which has two inputs (and is cold junction compensated-as is the Dakota).  I 
> can measure the outside air temp as well as the CHT.  I find the OAT makes a 
> huge difference to the CHT in my van.  I (have to) drive my van completely 
> differently during a hot day compared to a cool night. I am sure I over 
> heated the heads many times in the past and I would have never been aware of 
> this without that tool.  I am now going even further and installing a quad 
> gauge so I can see all four cylinders.  $250 for the gauge + ~ $60 for leads.
>
> http://thesensorconnection.com/gauges-pyrometers/all-gauges-pyrometers/4-channel-digital-thermocouple-pyrometer-gauge
>
>
>
>> Thank Jon.
>> 
>> Nice website. bookmarked it already.
>> I have other priotity now. building a new engine.  I checked the 
>> compression and cyl #3 is 0 . The other cyl are not too good either 
>> (100,110,110)
>> 
>
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