DeTomaso Mailing List: May 2000, Message #38

Don:
Please disregard my comment about the firing sequence, 4 and 8 timing would
of
course be separated by the angle of the V ---OOOOPS
Lars
Longchamp GTS #3215

----- Original Message -----
From: Franck DJ (Don) <DJFranck@equilon.com>
To: Multiple recipients of list <detomaso@realbig.com>
Sent: Tuesday, 2 May 2000 1:19
Subject: The persistent miss problem with 351 Windsor


> Okay,  We have done compression test with a low of 140 high of 150.
> Done a Leakdown and it is okay.
> Changes heads
> Changes distributor
> Changed Intake manifold
> Changed Coil
> Changed spark plugs and wires
> Triple checked the firing order IT IS CORRECT
> Changed the Spark plug wires around.
>
> After each of these steps, I get the same results.  It now seems to me
that
> the problem must lie in the short block.
>
> I still have a very bad miss at idle  If I pull the plus wires on 4 and 8,
> there is no difference at idle.  This is a 351 Windsor and 4 and 8 are
next
> to each other in the firing order so I get a VERY BAD vibration at idle.
>
> It does seem to me the I get the most power from 1 and 5 with
progressively
> less power from both sides as I work my way to the back of the engine.
>
> My vacuum is about 19 with a wobble.
>
> I have had two suggestions.
>
> One - the crank is twisted????
> Two - I have a bad cam????
>
> I figure I can change the cam for around a hundred bucks.  The crank is a
> different story.
>
> WHAT SHOULD I DO???????
>
> Don Franck
> DJFranck@equilon.com
> 1971 Pantera #1777 /  1969 Mustang Mach 1
> Wk 713-346-3211 / Wk Fax  713-241-8234
> HM 281-856-8049 / Hm Fax  281-859-9531
> http://www.geocities.com/MotorCity/Downs/9415
> "Some people said it couldn't be done.  What they meant was "They couldn't
> do it".
>
>
>
>