It Howls with small throttle bodies

Doug Robson doug at cia.com.au
Thu Oct 31 01:16:44 GMT 1996


Jeremy Pronk wrote:
> 
> On Wed, 30 Oct 1996, Doug Robson wrote:
> 
> > I installed an Autronic SMC computer and individual 50 mm throttle
> > bodies. Result 160-170 bhp  :(     ( sad face ).
> > I have recently had a set of 45 mmm bodies made with same diameter at
> > ram intake end but 45 at butterfly. result 205 bhp and more torque.
> > Drove it on track on Sunday and it howls. Im amazed at the difference of
> > 5mm makes. all other parts of the engine are unchanged since previous
> > set ( except bearings).
> 
> I have an haltech E6 installed on my alfa. I used to run twin webers
> (36mm), but with the efi it is now running twin weber 45mm throttle
> bodies. I have to say that "takeoff" isnt that much fun (esp. up hills).
> It goes really well above about 3500rpm+, seems to get a lot of torque
> steer? as well if I hammer it.
> 
> You wouldn't happen to know where I could get some chokes made up? I
> really want to choke them down to ~40mm, because this is the "Drive
> around" car (ie, I am not interested in the 2000rpm power band > 5000rpm).
> 
> bye,
> 
> Jeremy, Sydney AUSTRALIA
> http://www.st.nepean.uws.edu.au/~jpronk/
> '83 AlfaSud Ti (Haltech E6 efi)
I would recommend BRS Motorsport in Blacktown. They are not quick but
they are very very good. Speak to Phill Ryall or Bob Bridge
96216214
unit 3 / 10-12 Carnegie Pl. Blacktown 2148

Phil Builds my manifolds
Bob builds my engines
-- 
|===============================================================|
|			When I die, 				|
|         I want to go in my sleep, like my grandfather, 	|
|          not screaming like the passengers in his car. 	|	
|---------------------------------------------------------------|
|  	Doug Robson     (H)	   mailto:doug at cia.com.au	|
|			(W)	   mailto:Doug.Robson at chase.com	|
|    Sydney, Australia		 http://www.cia.com.au/doug	|
|---------------------------------------------------------------|
|    Club Car Racing Register of NSW	    |	Thank God	|
|  1992/93 Under 2 litre State Champion	    |	   for		|
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