eresting to see how your DPD heads hold up.
Roger Bulla
rbulla2 at wic.net
-Original Message-
From: Mark Langford via KRnet
Sent: Tuesday, July 19, 2016 7:15 AM
To: KRnet
Cc: ml at n56ml.com
Subject: Re: KR> Cylinder Heads Again
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Roger said,
"I have rebuilt the old 044 heads with new valve guides and new 214NSS
stainless valves from CBP and recut the valve seats with a Neway cutter"
The worn guides, wear and tear on the valves and retainers on the
original heads sure says a lot about how important it is to go through
an
Hi Mark,
I had high temps on my Revmaster -didn't know what all-so I fitted an
adjustable outlet flap to the lower cowling, I fitted a new spring to the
pressure relief valve (don't ask -a VW specialist advised me). Fitted a VW
oil cooler to the top side.
Had an ex RAF test pilot to do the checks
ore the leak goes away. Maybe a
sticky valve guide?
It will be interesting to see how your DPD heads hold up.
Roger Bulla
rbulla2 at wic.net
-Original Message-
From: Mark Langford via KRnet
Sent: Tuesday, July 19, 2016 7:15 AM
To: KRnet
Cc: ml at n56ml.com
Subject: Re: KR> Cylinder Heads Again
Has anyone tried these heads from CB Performance? They look like they have
better air flow around the exhaust ports and maybe better quality control?
http://www.cbperformance.com/Panchito-044-Cylinder-Heads-90-5-92-Bore-p/1672.htm
Roger Bulla
rbulla2 at wic.net
Roger Bulla wrote:
> Has anyone tried these heads from CB Performance? They look like they have
> better air flow around the exhaust ports and maybe better quality control?<
Looks like maybe they have swapped to the "Chinese castings", which are
improved over the CB 044 heads that came on N891JF
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