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Author
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Topic: tuning for emissions
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craigber
Journeyman Posts: 78
From: Vancouver, Canada
Registered: Sep 2000
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posted 03-01-2002 01:00 AM
   
Hi everyone,need to pass a smog test soon and last year just squeeked thru...they keep tightening the limits...any hints on how to reduce emissions...timing, hotter (colder) plugs, octane, etc...any and all help greatly appreciated...ohe yeah 71 with 351c slightly warmed up, intake, 4B, cam, not too wild...
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Craigber
71 Red Rag
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70SportsRoof
Gearhead Posts: 611
From: Just west of Phoenix, AZ
Registered: Dec 2001
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posted 03-01-2002 01:04 AM
Back in California I always made sure I used a good quality name brand gas before I went to get the test done. Make sure the engine is properly timed and make sure that the mixture is set right on your carb so it's not too rich or lean. ------------------
1970 Deluxe SportsRoof (63B),'66 fastback 289-4 spd,(2)46 Ford trucks, 47 Ford truck, 57 Ford Fairlane 500 4dr, '72 Olds Vista Cruiser(up for sale soon), '88 Bronco II...you can never have too many cars
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V8 Thumper
Gearhead Posts: 3267
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-01-2002 01:45 AM
I've heard that aviation fuel burns with fewer hydrocarbons... also heard of guys cutting gasoline with rubbing alcohol  to lower emissions...
Can anyone dispell/verify these "wive's tales"?
Rubbing alcohol dosen't sound real healthy for pump diaphragms, seals, o-rings, etc.
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69maverick
Gearhead Posts: 889
From: Thomaston,CT.
Registered: Jan 2001
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posted 03-01-2002 07:54 AM
Just put some dry gas in it and retard the snot out of the timing just before you pull in there yard. It will go right through!! Then when you leave reset it! It won't have any power but it will pass! I've had cars show no emissions at all. The guy thought I shut it off!!![This message has been edited by 69maverick (edited 03-01-2002).]
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65_289
Gearhead Posts: 757
From:
Registered: Jul 2001
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posted 03-01-2002 09:53 AM
Smog test? What's that? 
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Moneymaker
Administrator Posts: 19611
From: Lyons, IL, USA
Registered: May 99
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posted 03-01-2002 11:49 AM
I always lean them way out and retard the hell out of timing. They run like crap, but pass.  ------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link
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SundanceKid
Gearhead Posts: 970
From: UT
Registered: Feb 2001
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posted 03-01-2002 03:27 PM
Yes alcohol works great...same thing as Drygas just alot cheaper, some people like to use the Drygas cuz the label says it's for your car. Isophryl alcohol is isophryl alcohol. Retard timing as posted and change that oil before you go in! Letting the engine be good and warm helps too.
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