[DeTomaso] 5481 New heart beat

[Boyd Casey]

Mark,
What are the specs of your build? Are you using solid lifters?
Thanks,
Boyd



On Sun, Aug 3, 2014 at 12:08 PM, mark skwarek via DeTomaso <
detomaso at poca.com> wrote:

>    I have had some issues with my former engine's build. I decided to send
>    it to Mclains Automotive in Cuba, MO. I can't say enough about how
>    great it is to work with Dave and Dan on this project. The results are
>    beyond my expectations.
>    Dave Mclain wrote:
>    I've been doing some work on the engine this morning and so far I'm at
>    600 horsepower at 6650rpm and 517lbs/ft torque at 5000.  Best combo so
>    far is with 30 degrees timing and an HVH 1 inch merge spacer.  Here's a
>    screen capture from a pull that I made a few minutes ago.  I'm going to
>    break for lunch soon but I think I might mess with the jetting a bit
>    and call it good.  This is with Dan Jones' Pantera headers flowing into
>    a 2.5 inch glasspack muffler.  Another thing I want to do is change the
>    bushing in this distributor to shorten up the curve which is way too
>    long.  This will help to make the idle more consistent and I don't
>    think it'll make it tough to start hot.  It would be best locked out
>    but I don't know if you have a provision to spin the engine and then
>    light the spark.
>    For the next pull I swapped on my 950 HP that was built by Competition
>    Carburetion just to see what was "in" the carburetor.  The engine made
>    the same overall torque numbers but picked up 17 horsepower at the
>    peak.  This carburetor is not necessarily the ultimate Holley or
>    anything but it was built to be a good all around carburetor for
>    testing on lots of different engines.
>    Dan Jones wrote:
>    That's with the smallest cam I ran through Dynomation.  The simulation
>    prediction was for just under 600 HP and Dave thought that might be a
>    bit optimistic.  I was pretty sure we'd get close to 600 HP but 617 HP
>    through the mufflers is impressive, not to mention how flat the torque
>    curve is.  Those old Ford Motorsport heads really work well.  Looking
>    forward to how it performs in your Pantera.
>    Mark
>    5481
>
> _______________________________________________
>
> Detomaso Forum Managed by POCA
>
> DeTomaso mailing list
> DeTomaso at poca.com
> http://poca.com/mailman/listinfo/detomaso_poca.com
>
>
-------------- next part --------------
   Mark,
   What are the specs of your build? Are you using solid lifters?
   Thanks,
   Boyd

   On Sun, Aug 3, 2014 at 12:08 PM, mark skwarek via DeTomaso
   <[1]detomaso at poca.com> wrote:

     A  A I have had some issues with my former engine's build. I decided
     to send
     A  A it to Mclains Automotive in Cuba, MO. I can't say enough about
     how
     A  A great it is to work with Dave and Dan on this project. The
     results are
     A  A beyond my expectations.
     A  A Dave Mclain wrote:
     A  A I've been doing some work on the engine this morning and so far
     I'm at
     A  A 600 horsepower at 6650rpm and 517lbs/ft torque at 5000. A Best
     combo so
     A  A far is with 30 degrees timing and an HVH 1 inch merge spacer.
     A Here's a
     A  A screen capture from a pull that I made a few minutes ago. A I'm
     going to
     A  A break for lunch soon but I think I might mess with the jetting
     a bit
     A  A and call it good. A This is with Dan Jones' Pantera headers
     flowing into
     A  A a 2.5 inch glasspack muffler. A Another thing I want to do is
     change the
     A  A bushing in this distributor to shorten up the curve which is
     way too
     A  A long. A This will help to make the idle more consistent and I
     don't
     A  A think it'll make it tough to start hot. A It would be best
     locked out
     A  A but I don't know if you have a provision to spin the engine and
     then
     A  A light the spark.
     A  A For the next pull I swapped on my 950 HP that was built by
     Competition
     A  A Carburetion just to see what was "in" the carburetor. A The
     engine made
     A  A the same overall torque numbers but picked up 17 horsepower at
     the
     A  A peak. A This carburetor is not necessarily the ultimate Holley
     or
     A  A anything but it was built to be a good all around carburetor
     for
     A  A testing on lots of different engines.
     A  A Dan Jones wrote:
     A  A That's with the smallest cam I ran through Dynomation. A The
     simulation
     A  A prediction was for just under 600 HP and Dave thought that
     might be a
     A  A bit optimistic. A I was pretty sure we'd get close to 600 HP
     but 617 HP
     A  A through the mufflers is impressive, not to mention how flat the
     torque
     A  A curve is. A Those old Ford Motorsport heads really work well.
     A Looking
     A  A forward to how it performs in your Pantera.
     A  A Mark
     A  A 5481
     _______________________________________________
     Detomaso Forum Managed by POCA
     DeTomaso mailing list
     [2]DeTomaso at poca.com
     [3]http://poca.com/mailman/listinfo/detomaso_poca.com

References

   1. mailto:detomaso at poca.com
   2. mailto:DeTomaso at poca.com
   3. http://poca.com/mailman/listinfo/detomaso_poca.com