Carburated 1987 3.9 V6
#1
Carburated 1987 3.9 V6
I would like to know what exactly i could do to increase horsepower and/or torque from my Engine and i would personaly like it to at least give 150HP or more if possible and i want to know all of what can be done as long as it dosnt incloud tearing the whole engine apart and thanks in advance for ansers and advise if you have it
#2
#3
Well ive had a few ideas but I dont know how much more power it will give, for one a K&N Filter, I was also wondering about increasing airflow by making another pipe connected to the outer housing of the filter container like on the left side and have 2 pipes on both sides (so it will increase airflow to the engine and still keep water from getting in) but i also want to here others ideas, and i know that theres more you can do to get more power than just modify the air supply system
and heres a picture of the engine compartment if anyone wants to check out the engine
and heres a picture of the engine compartment if anyone wants to check out the engine
#4
Join Date: Feb 2009
Location: Winnipeg, Manitoba, Canada
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theres only a couple things off the hop that i can think of without tearing apart the engine, 1st being spark plugs, premium wires, premium cap and rotor, and a summit racing ignition coil, 2nd being new air filter, if you dont use your a/c, buy a belt that doesnt run the compressor, use high test gas instead of regular, and thats about all i can think of right now, but ill let you know if i think of some more small things you can change
#5
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
#7
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#8
Huh i didnt know these engines needed back pressure from a muffler, I personaly thought the older ones didnt need it and with how many engines there are that seem to run good in derbys with only like a foot and a half of pipe strait up through the hood i didnt think it would affect this too much.......
#9
#10
Huh i didnt know these engines needed back pressure from a muffler, I personaly thought the older ones didnt need it and with how many engines there are that seem to run good in derbys with only like a foot and a half of pipe strait up through the hood i didnt think it would affect this too much.......