I know this has been posted a lot before, but I am lookin for a Cold Air System, which comes with a pipe that connects to the throttle body and a conical filter. Do they make any kits like that for our cars.
"They" meaning some company I don't believe make them for the 3.8. However a few people have made their own using 3" mandrel bent tubing, Jim Tumminilli (did I spell that right?) and Eric Spicer come to mind.
For a cold air system your best bet would be just to route some pvc piping down through the hole where the air box use to be and put a cone filter in the fender wall. We wont benifit from intake tubes as much as the 4.6 guys do because their "violin case" intake colapses under heat. The only way you would really feel improvement frome a bigger intake tube is if you match it with a bigger MAF, throttle body, and port out the manifolds. By this time you oped up your intake so big that you would have lost a lot of low end torque. Yes you will gain hp but it is on the high end. The torque you lost will make your car feel slower in acceleration. Just ask some of the V8 guys that bought bigger MAF and throttle bodies. You my advice to you is to put a cone filter in the fender, and save the money on the intake tube for somthing of a more significant gain, such as gears.
So basically your saying that for the 3.8, it's just as better to replace the air box with PVC pipe and cone filter over replacing that AND the tube from the MAF and throttle body.
Ashish - what year is your 3.8? The 89-91 V6's had smaller MAF's. I plan to switch my 55mm MAF to a 70mm when I upgrade my intake. I don't plan to put too much money into my engine quite yet, but I do want to help it out and get a bit more power out of it. Small stuff like bigger MAF and bigger throttle body may be something to consider while in the process of doing the Cold Air Intake.
Everything I've read and been told is to avoid PVC for the intake tubes. Heat isn't good with the plastic.
A larger MAF is good, a 70mm is probably as big as you want to go. You'll probably get more out of a half shafted and polished TB than opting for the larger one. RancherLee is putting out good power now with the P+P heads and manifolds. I'll be doing this swap sometime next year or if I hit the lottery some time soon!
I try to keep the engine stuff I do to my car fairly simple since I don't have the 'know-how' nor the time to sit down and do it since I'm either at work or school. Unless it's summer - then it's too damn warm outside for me to go out and mess around in the garage.
Besides - college takes most of my money so it usually takes me a while to save for big mods. That's why I plan to get the bigger MAF, maybe do something with my throttle body, cold air intake, then MAYBE a chip. The chip is last on my list since I'm still thinking about that one. Don't want to put too much money into my engine since I plan to swap engines. Either 3.8SC or V8 - have to wait and see how the funds are and how long my current engine/tranny lasts me.
Yes the best bang for the buck is the pvc and the cone filter.
On my brothers 97 3.8 there is a plastic cover over th throttle cables on the throttle body, that doesn't melt. The air box itsef is plastic, this doesn't melt. Look at most new cars, noteably the new t-birds, corvettes, impalas and such. They all have plastic covers right over the engine and these dont melt. Under the upperintake, the fuel rail harness wires are wraped in plastic tubing and this doesn't melt. So I don't believe you will have any problems with pvc.
Here's the site for making a cold air induction. It probably wouldn't hurt, not sure if it will help though, to paint the PVC pipe with engine enamel. You can get a can of 500*-1200* enamel for like $4 or $5, plus it'll look better than the PVC color.
I'm planning on doing this too. Why not? It'll look cool anyways.
I have a 97 also, so I know there's a ton of plastic under there. But there's something about the PVC that's not recommended for high heat. Go for it, see what happens. I'm just going by what has been told to me.
Stephen Crist has been selling these for a good while now. They are designed like most of you have said, witht he PVC and a filter in the fender. You can get them on his site for 96.50 or steal one on ebay..
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