[DeTomaso] New engine

Tomas Gunnarsson guson at home.se
Thu Dec 4 04:12:23 EST 2014


An air box open towards the rear does nothing to lower intake air temp.
Unless it reaches above the roofline like on Göran Malmberg's car you're
better off ducting air to an enclosed air box from the quarter window
area or below the car.
 
Tomas

<-----Ursprungligt Meddelande----->

 	  	 From: Robert Stroj [npdrs at maui.net]
Sent: 4/12/2014 3:16:51 AM
To: detomaso at poca.com
Subject: [DeTomaso] New engine 

I just got my new motor completed, it is Fontana aluminum block based
motor 
using Yates C3 heads. 

It made 676Hp at 6500rpm and 585lb-ft torque at 5250rpm; this is
corrected 
data to sea level, actual figures as tested in Colorado at 8500ft
altitude 
ware 429Hp and 384lb-ft. 
This are figures using dyno carb and open exhaust. 
If someone is interested will be happy to share build details and dyno
sheet 
scan. 

For the beginning I am planning to use Holley HP carburetor tuned for
this 
motor, but possibly planning to go with IR fuel injection once in the 
future; new Holley Dominator ECU looks really interesting and relatively
simple to setup. 

Would someone have a good suggestion for dropped base air cleaner that
works 
well in Pantera on a high rise single plane intake; was even thinking of
getting one of the NASCAR air-box assemblies offered cheap on e-bay: 
http://www.ebay.com/itm/Carbon-Fiber-Cold-Air-Induction-Box-Cleaner-19-1
-2-x 
-4-1-4-Tall-NASCAR-/151281340538?pt=Race_Car_Parts&hash=item233912107a&v
xp=m 
tr , refinishing it on outside to make it look better and turning the 
opening to the rear; I guess there actually should be a good supply of
cold 
air created by the turbulence of the roof back edge; any opinions? 

Other dilemma is the exhaust; currently I got a European GTS system; I
could 
cut my flanges and welt flanges to fit Yates C3 heads. From looking
trough 
Dan Jones tests it is clear that I should replace mufflers as Ansa once
I 
got are too restrictive. 
What would be the best option to replace Ansa mufflers; I would like to
keep 
the stock look of four pipes angled up; this is the early, '71 car? 
Is there something already made available that would bolt onto my GTS 
headers or would I be best buying Magnaflow mufflers and replacing my
Ansa 
mufflers? 

Other option, should I replace everything with 180 degree system; how
much 
power is it really worth? 
Car will be combination of street and track, so it would be nice to keep
cargo compartment in the back.... 

Will appreciate any suggestions, 

Robert 


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-------------- next part --------------
   An air box open towards the rear does nothing to lower intake air temp.
   Unless it reaches above the roofline like on Goeran Malmberg's car
   you're better off ducting air to an enclosed air box from the quarter
   window area or below the car.



   Tomas
   <-----Ursprungligt Meddelande----->

       From: Robert Stroj [npdrs at maui.net]
   Sent: 4/12/2014 3:16:51 AM
   To: detomaso at poca.com
   Subject: [DeTomaso] New engine
   I just got my new motor completed, it is Fontana aluminum block based
   motor
   using Yates C3 heads.
   It made 676Hp at 6500rpm and 585lb-ft torque at 5250rpm; this is
   corrected
   data to sea level, actual figures as tested in Colorado at 8500ft
   altitude
   ware 429Hp and 384lb-ft.
   This are figures using dyno carb and open exhaust.
   If someone is interested will be happy to share build details and dyno
   sheet
   scan.
   For the beginning I am planning to use Holley HP carburetor tuned for
   this
   motor, but possibly planning to go with IR fuel injection once in the
   future; new Holley Dominator ECU looks really interesting and
   relatively
   simple to setup.
   Would someone have a good suggestion for dropped base air cleaner that
   works
   well in Pantera on a high rise single plane intake; was even thinking
   of
   getting one of the NASCAR air-box assemblies offered cheap on e-bay:
   http://www.ebay.com/itm/Carbon-Fiber-Cold-Air-Induction-Box-Cleaner-19-
   1-2-x
   -4-1-4-Tall-NASCAR-/151281340538?pt=Race_Car_Parts&hash=item233912107a&
   vxp=m
   tr , refinishing it on outside to make it look better and turning the
   opening to the rear; I guess there actually should be a good supply of
   cold
   air created by the turbulence of the roof back edge; any opinions?
   Other dilemma is the exhaust; currently I got a European GTS system; I
   could
   cut my flanges and welt flanges to fit Yates C3 heads. From looking
   trough
   Dan Jones tests it is clear that I should replace mufflers as Ansa once
   I
   got are too restrictive.
   What would be the best option to replace Ansa mufflers; I would like to
   keep
   the stock look of four pipes angled up; this is the early, '71 car?
   Is there something already made available that would bolt onto my GTS
   headers or would I be best buying Magnaflow mufflers and replacing my
   Ansa
   mufflers?
   Other option, should I replace everything with 180 degree system; how
   much
   power is it really worth?
   Car will be combination of street and track, so it would be nice to
   keep
   cargo compartment in the back....
   Will appreciate any suggestions,
   Robert
   _______________________________________________
   Detomaso Forum Managed by POCA
   DeTomaso mailing list
   DeTomaso at poca.com
   http://poca.com/mailman/listinfo/detomaso_poca.com
   .


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