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Secrets to GREAT gas mileage.........

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Old Mar 25, 2003 | 11:42 AM
  #1  
FLYNLOW92rs's Avatar
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Secrets to GREAT gas mileage.........

Share them....

We all know about the drive responsibility.......

So how share ideas as far as weight reduction and things you can do to the engine, or car to increase the MPG....
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Old Mar 25, 2003 | 11:45 AM
  #2  
FyreLance's Avatar
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Joined: Mar 2002
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From: Huber Heights, OH
Car: 00 TA, 91 Formula, 89 RS
Engine: LS1 / 305 / 2.8, respectively
Transmission: T-56 / auto / auto
When I want good gas mileage I drive my Honda.

Oh crap.... I didn't want it to leak onto these boards that I own a Honda............

Oh well, that car is my slave/work car, not my race car, so it's okay, right?
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Old Mar 25, 2003 | 12:32 PM
  #3  
Streetiron85's Avatar
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Joined: Aug 2001
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From: Pacific Northwest
Car: '85 IROC
Engine: LB9
Transmission: 700 R4
There was an article in an '80 issue of Hot Rod by Dave Emmanuel, unfortunately I lost it, but it was entitled project econo performer (I think). It featured a '70 350 Mont Carlo that used an Edelbrock sp2p intake with a Q jet and some 1 1/2" tri y headers. It got about 27 mpg and ran in the 14s, real good for that size car.
I'm personally in the process of trying to get my pickup dialed in after some mods to optimize mpg. My approach is to keep the mods small; cam, valves, pipes, carb, a good approach for a truck anyway. And to jet the carb sorta lean in the off idle range up to 1/4 throttle, after that, you can richen it up for power on demand.
There's a lot to it but those are the basics, it's actually pretty easy. If you start getting into a really specialized setup, it can get complex, but the basics will give you results.
There are some books too, Performance with Economy, by David Visard is one.
Good luck
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Old Mar 25, 2003 | 12:35 PM
  #4  
DJP87Z28's Avatar
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Joined: Mar 2003
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From: Florida
Car: 1987 Black IROC-Z (SOLD)
Secrets of great gas mileage-Well I guess you could swap out your 350 for a Iron Duke 4.......
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Old Mar 25, 2003 | 01:45 PM
  #5  
johnnyformula's Avatar
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Joined: Aug 2002
Posts: 89
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From: Cleveland
tune up, k&n filter, lower differential gears, etc.
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