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TY=
PE 1 DTM I was one of the few, proud =
people
to get a shot at the testing and development of the TYPE 1 DTM Shroud. He=
re I
will share with you the data I have collected thus far. First I will give you the en=
gines
profile that the shroud is being tested on. This engine is a “Swap =
Meet
Special” Most of the internals were from a 2275 that suffered a pul=
led
stud a few short miles into its life and had very little run time. The ca=
se
is a later 8mm studded VW case. The Heads are 44x37.5 Street Eliminators =
with
a reputation for being hard to cool. Compression was set at just a tick s=
hy
of 10 to 1. A Web Cam 122/125 was used to orchestrate the breathing thru a
set of 45 Dell DRLA’s and an S&S 1
¾ merged exhaust. We dyno tuned the co=
mbo to
about 150 HP and 152 lbs feet of torque. And cylinder head temps looked v=
ery
nice at about 300 deg. F at 3000 rpm and a 30 hp load. The car I installed the engi=
ne in
is a 1972 1302 Super Beetle with a stock transaxle, and external RX7 oil
cooler with fans mounted above the transaxle.
In the car and tuned I did s=
ome
testing on some hot July days here GA.&n=
bsp;
My last outing was the 27’Th of July 2004 with an outside air
temp. in the upper 90’s and high humidit=
y. The
head temp is taken from #1 and #3 with VDO gauges. Oil temps. Are taken f=
rom
the cooler bypass relief port with a VDO gauge. Steady cruising at 3400 rpm.=
gave me cylinder head temp. read=
ings
of 325 deg. F. on #3 and 310 deg. F. on #1 with an oil temp. of 210 deg. F. City driving netted a max cy=
linder
head temp of 315 deg. F. on #3 and 300 deg. F. on #1 with an oil temp of =
190
deg. F. Spirited city driving (the k=
ind
that would get you a ticket) gave the same results as the steady cruising=
at
3400 rpm. I could not keep that close an eye on the readings while giving=
it
some stick around town, as I had to keep my eye on the road. My only
disappointment during the testing so far is that I have not crossed paths
with a pimped out import to spank yet. I feel that the shroud perfo=
rms
excellently on this engine given the fact that I am running Street Elimin=
ator
heads and 10 to 1 compression and still have temperatures that rival much
more tame combinations I have seen. And the look of the shroud is very cl=
ean
and seamless. It fits the theme of my car very well. I am both happy and =
proud
to have the Massive DTM TYPE 1 shroud under my deckl=
id.
Thank you Jake, for the
opportunity to be a part of this testing. David McCutcheon Stockbridge, GA. |
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