Bill,
What about headers? My JBAs are STILL sitting in my room.
I wouldn't be afraid of an E-fan. I've got a manual switch on my E-fan (the
one that comes with the AC option). When I turn that thing on the engine
gets icy cold. So if you can find another E-fan that's as powerful as that
one, you'll do fine in our "harsh" So. Cal summers.
Don't electric fans work better in traffic than mechanical anyways? They're
always blowing full power, while a mechanical looses power when you idle.
Some people have just plain removed the mechanical fan.
If and when you find an E-fan to replace the mechanical one, let me know I
might be interested in one too.
I wouldn't do the Cat. Or at least I'd do it dead last. Switch to a high
flow cat can give unpredictable results. You'll loose back pressure
resulting in less low end torque, which depending on where in the RPM band
you like to feel your HP could leave a bad impression on you.
Ignition systems?
You might be running out of those inexpensive high yield mods. It just
starts to get expensive from here.
Or you could just save you pennies for a blower!
How's that PCM working out for you?
Jay W
>
>I'm looking for more performance out of my 4.7L. I currently have:
>Intense Performance 4" Z-Tube, Flometrics 70MM TB, Mike Leach PCM, and
>3" IN, 2x2.25" OUT Magnaflow exhaust. I've been thinking about the
>following:
>
>1) Would adding an high-flow aftermarket cat by replacing the stock cat
>help? Which one should I get? How much? What size? If so, how much HP/TQ
>gains should I expect? I know, a shop can't "legally replace" the cat
>right now, because nothing is wrong, but I can't help it if a a big
>piece of debri from the road *happens* to hit my cat!
>
>2) I've been thinking electric fans. But with some of the heat in
>California summers, and traffic, I don't know if this is a good idea or
>not. I know I should get around 10-15HP just from this, and it seems
>like it'd be a good kick in the pants. Is this a good idea? Should I
>change to a 180 degree t-stat at the same time?
>
>3) What are some other things I can do to improve my overall
>performance?
>
>Thanks!
>william
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