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SU HS4 carb setup

To: mgs@Autox.Team.Net
Subject: SU HS4 carb setup
From: "Erik Brzoska" <mowog77@hotmail.com>
Date: Thu, 05 Nov 1998 10:48:56 PST
I was just pondering this Zenith to SU HS4 conversion I want to do on my 
77B and I have a question. 
Can I leave the original exhaust header in place and just swap out the 
intake and carbs or is the catalytic converter going to be a problem?

That would be really nice if I could do that!

Also, many on the list have said that there will be an appreciable 
horsepower increase with the SUs, but a few have also said that there 
will be no difference at all except for easier maintenance.

Is there a quantified tru answer?
Hypothetical situation: Stock 77B 18V883Ae motor, Z/S carb, points 
ignition changing only carbs and exhuast if necessary.

TIA 
Erik.


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