Carburated 1987 3.9 V6
#11
03-25-2009, 11:47 AM
#12
03-25-2009, 12:19 PM
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#14
03-25-2009, 01:58 PM
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glasspacks are loud on the 3.9, my truck came with one on it, no cat and it exits the truck inbetween the cab and the rear tire on the pass. side. its load as F***.
#16
03-26-2009, 11:46 AM
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What specific kind of spark plugs you think would be the best?,and I do plan to use the A/C but im not sure if it works, it cycles on and off but it needs to be recahrged, and what about changing the exaust system, i was thinking of taking the mufflers off if a 3.9 V6 sounds good and then have the pipes go strait from the engine and having it coming out about a foot in front of the rear tires though thats if it will increase any power and/or tourque but i still want to hear what others think could be done
http://www.jegs.com/i/Accel/110/TST10/10002/-1
#17
03-26-2009, 01:53 PM
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#20
05-01-2009, 05:05 PM
Some one i know told me about a product you can get that can increase power and increase MPG that you put in the air intake system that supposedly speeds up the air flow by forcing it into a spiral path and it flows faster though has anyone tried one for either of the engines and if so does it work or not, I think its called a Tornado Fuel Saver or somthing like that