[DeTomaso] Non-Opening Secondaries

[Will Kooiman]

The same is true with vacuum secondaries.  A lever prevents the secondaries
from opening until the primaries are about 50% open.

You can't make them open without a load on the engine either.  If it's
working properly, you can't jerk the throttle open while the engine is out
of gear and watch the secondaries open.

The best test I've heard involves putting a paperclip on the secondaries and
then driving it hard.  You position the paper clip so that it slides if the
secondaries open.  When you get back home, you can look at the paper clip to
see how far the secondaries opened.

Another test is to put it on a dyno.  That way you can see it open.

Another solution is to buy a DP.  Vac secondaries are for weenies.

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Thomas Tornblom
Sent: Saturday, May 30, 2009 7:28 AM
To: John Taphorn
Cc: detomaso at realbig.com
Subject: Re: [DeTomaso] Non-Opening Secondaries

John Taphorn skrev:
> Dan
> 
> I'll apologize ahead of time for perhaps being too basic.  However, with 
> mechanical secondaries, they will only open if the primaries are opened 
> first.  To clarify, if you only try to manually open the secondaries by
hand 
> twisting the their linkage, they will not open.

I know at least one owner on this forum that thought his pantera was a 
bit sluggish. He tried a lot of things, including borrowing my 650DP.

After a while he found out that he didn't push the pedal hard enough to 
open the secondaries ;-)

> 
> This has been in the back of my mind since this thread was started.
> 
> JT 

Cheers,
Thomas
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