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Old 10-03-2002, 09:23 AM   #6
302 LX Eric
or '331 LX Eric'
 
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Join Date: Jan 1999
Location: Columbus, Ohio
Posts: 2,142
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Quote:
Originally posted by jim_howard_pdx
It is time to build a 351 Windsor stroker dude..... I hate the small stroke fords. NO POWER. I like torque and it takes long strokes and long rods to get torque.

Now for your problem, why do you want to take off or disconnect the smog. All it does is pump filtered air into your exhaust ports????

Really, the entire computer is built around looking at the air fuel mixture and adjusting fuel metering to get the O2 saturation to the algorythem set at the factory.

ARE YOU SEEING THE LIGHT?????

When you cut off the smog, you are showing the 02 sensor LESS oxygen than it expects. So it figures you need more air. So it cuts down the fuel mixture but that reduces the O2 even more, so it figures I AM UNDER LOAD OR I AM COLD. So it goes to start up mode which is FULL RICH and HIGH RPM.

DO YOU GET IT YET???? The computer is going to do what it can to get to normal. That is probably why it is pushing 1800 RPM on the idle. It has to run that much RPM to get the O2 levels to the proper saturation point. It is probably running full rich as well which is just killing your air fuel mixture, carbonizing your plugs and combustion chamber, and ruining your driveability.

DOES THIS SOUND FAMILIAR. DO NOT MESS WITH YOUR SMOG SYSTEM ON A FORD.

I saw guys try this on Ferrari's once. Get rid of the smog and the car should run like it does in Europe. Only it didn't. Ferrari charged this guy 7,000 dollars to put it back to stock so it would run 170 mph. The smog was never the issue, it was the exhaust system changes that slow down the US Ferrari's. Unless you are married to an engine tech with a chassis dyno, a programable power chip, and the time and desire to get it to run somewhat like a normal car, you are just shooting yourself in the foot.

See if you can hook the smog back up. It should completely solve your problem.

Then build a 351 stroker block, and run the trick flow fuel injection with the 90 mm MASS. This will get you to the 500 hp level with a good cam, compression, and heads. Put on a vortech supercharger and you are in the 600 hp range. That is huge. 11's are a certainty!

Sorry to pound so much on the lowly small stroke small blocks, but my engine with 3.7 gears would be running 12.5 quarter mile times with a 2500 stall converter. It is not the cubic inches doing this work. It is the power resulting from the stroke and the rod length. My stroke is 3.5 vs 3.3 and my rod is 5.95 vs 5.4 SEE what I am pointing at?


Hope this helps.
Easy there Jim.

Getting the TPS fixed should be the cure.

E

PS - my lowly small stroke (3.25) small block makes crappy power...
__________________
1991 5.0 LX Coupe - 40,750 miles

331 cu. in. / Tremec 3550 / BFG Drag Radials

12.22 @ 114.31 mph - w/1.89 60'
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