Gary,
On the 914, even with the waste gate fully open, not all of the exhaust gas
bypasses
the turbo hence there is still some boost. According to the manual, with
a fully open waste gate, the engine will produce 70 Kw (approx 93 HP) instead
of the 80 HP the same engine would produce if the turbo charger was removed.
Regards
Kingsley
Sent from my iPhone
On 13/11/2012, at 10:28 AM, "Garry Stout" <garrys@tampabay.rr.com> wrote:
>
> Not sure how you got 33 ins MP without turbo boost. Nominal ambient
> pressure at sea level is 29.92 ins. You need turbo boost to achieve
> something higher.
>
> Garry Stout
>
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of pestar
> Sent: Monday, November 12, 2012 3:31 PM
> To: europa-list@matronics.com
> Subject: Europa-List: Re: Question for 914 users
>
>
> As the other New Zealand 914 user that Bill refers to I add a little advice
> that may help.
>
> You state you are only seeing 34 ins, that is what you get when the TCU is
> not working. How do I know, I took off the other day with the TCU switched
> off and noted that I only pulled about 33 in manifold but was still getting
> full rpm, 5780 in my case.
>
> This makes sense and though I do not suggest taking off with the TCU
> switched off it can be tried and would be a good pointer to see if your TCU
> is working. That is apart from the usual checks to see if the servo is
> cycling.
>
> Cheers Peter
>
> --------
> Peter Armstrong
> Auckland, New Zealand
> DynAero MCR-4S (Do not shoot me :) ).
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=387706#387706
>
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