i have been looking around for some engine upgrades and found some interesting info on changing out injectors. I am not sure if anyone has done this or not but it definitly looks likes something to look into farther.

http://www.jeepforum.com/forum/f11/i...-4-0l-1224714/
I realize that this is not a TJ but it is a 4 l engine.


I am not sure how to embed a video but this is worth looking at!
http://www.precisionautoinjectors.co...2&categoryId=3

any coments?

 

I just ordered a set... I'LL let you know when I get them in if they work any better!

 

just wondering if you have installed the new injectors yet?

 

Hey Bman 505,
I have installed them and noticed a small increase in MPG and a lot smoother idle and accelleration . I haven't done any distance driving just back and forth to town and am getting 19.5 mpg.
Dave.

 

if you don"t mind me asking, did you buy new or wrecking yard?
where did you buy them and part numbers?

 

Hi Brian
I bought the ones from the video that you posted ..... http://www.precisionautoinjectors.co...2&categoryId=3 They have the parts in stock and were sent out the next day. I have friends in Seattle that I had the parts sent to then went down there to pick them up... ( on the way to Hawaii).....

Dave.

 

i havent done injecters yet but what i have done is monthen a installed a electric fan and got more power And a month later got a throttle body space and i have more torqe and power and better fuel millege i also put e4 spark plug in and it runs smoother i get 400 km s to a tank of fuel

 

Installing an electric fan on any engine (lose the mechanical fan) is a good investment, fans can rob 5-10% of your torque and affect mileage considerably.
There are lots of different posts to do it, the most common donor is a 2002 ford Taurus fan. Low profile and all the wiring is easy to get at when taking one out.