Ok I sent an email to a man who knows all about this type of stuff as I
wasn't sure what class it was that ran this type of boost and mods. here is
the reply..
mark
it could have been with the Big Rigs or with the Super Stock tractors.
Each class uses a basic diesel block with very high performance
components that often produce boost of over 100 psi. keep in mind that
up to four (4) huge turbo chargers are permitted in these two classes.
the technology is shared by the Big Rigs and the tractors and many
after- market manufacturers are adapting their parts to both
applications.
thanks for the inquiry.
richard s. feicht
>From: "Wes Truck" <truckmanxx@hotmail.com>
>Reply-To: dakota-truck@buffnet.net
>To: dakota-truck@buffnet.net
>Subject: DML: 100 psi boost tractorpull motor???
>Date: Fri, 22 Dec 2000 14:34:55 -0600
>
>Sounds scary to me. I dont know what class of tractors you are talking
>about but my cousins run in the 7200lbs modified class. Twin hemis with
>14-71 mooneyham blowers. I cant remember the exact displacement they ran
>last season (under 500ci) but according to them they ran on average around
>50 lbs of boost per motor. I have never heard of welding the heads on the
>block. That would make it rather difficult to rebuild the motor which is
>done every 9 or 10 runs down the track.
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