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Old 01-15-2012, 08:46 PM
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4.0 Bosche Fuel injectors

Has anyone installed the Bosch injectors on the 4.0? If so do you get better fuel mileage? If so how much and how hard are they to install? Thanks, Dave
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Old 01-16-2012, 07:42 AM
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Re: 4.0 Bosche Fuel injectors

Its not that cut n dry. There are more things then just what brand to consider. What size(fuel flow) & what style (spray pattern) they need to be sized right to perform right. there are online calculators to use, they need displacement, max rpm,power expected (realistic or it doesnt help ),& type of fuel off the top of my head.

That being said they are easy enough to change.just make sure you don't cross up the inj plugs -not an easy thing to figure out if wrong. and be sure to lube the new o-rings properly.
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