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MOPAR 4.2 EFI  
CJMAN
New User | Posts: 12 | Joined: 07/08
Posted: 08/28/08
07:17 AM

I PURCHASED A 1986 CJ7 A FEW WEEKS AGO THAT HAD A DANA 44 REAR AXLE AND AN AFTER MARKET MOPAR EFI SYSTEM.  THE AXLES WILL GO DIRECTLY ONTO MY 1982 SCRAMBLER.  THE EFI THOUGH I DON’T KNOW.  I’VE READ EVERYTHING I CAN FIND ABOUT IT AND THERE IS NO DOUBT THAT PERFORMANCE IMPROVES.  HOWEVER, WHAT I WOULD LIKE TO KNOW IS WHAT HAPPENS TO THE GAS MILEAGE? BETTER? WORSE? SAME?  


 
jscracra
New User | Posts: 7 | Joined: 08/08
Posted: 09/04/08
07:18 PM

I don't know about a Mopar EFI but with the Howell I got 2 to 5 mpg better fuel mileage and a lot more power. It makes it start good in cold weather too. If you are going to drive an old jeep much it is a good investment.  


 
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