which should i get first?

[StangNut86]

i'd go for underdrives. neither will get you that noticable difference when driving, but they help a lot down the line when you've done some more extensive intake mods and full exhaust.

i just put underdrives on my car, and it seems to pull just a hair harder. it would be better if it were a 5spd... but that's my next mod.

[Red 99 Mustang]

SO would i feel a difference with a catback n cai?

[brentmcq]

The catback and CAI work together well to make your engine breath better. This will add around 20 hp, which you'll feel (it's not huge but noticeable). You'll also get about 2-3 MPG increase which is a fringe benefit. While you are doing the catback throw on a performance X or H pipe with high flow cats. You are looking at around $1000 for all 3 mods.

[351wStang]

Originally Posted by brentmcq

UDP's require pulling the balancer off which is no big deal it just takes longer.

Now since the balancer is pressed onto the crank, and has holes drilled and tapped for the crank pulley to be bolted to it, plus the large saftey bolt....why exactly is it that you would have to pull the damper?
Really, have you ever changed a spark plug??? How about trying to learn a little so you know what your talking about when you say it. Seems to me you are almost blowing shit out your ass.

[wildstringer]

thats one of those new one piece pulley/balancer/crank/flywheel kits they are awesome

[SVTcobra306]

Originally Posted by 351wStang

Now since the balancer is pressed onto the crank, and has holes drilled and tapped for the crank pulley to be bolted to it, plus the large saftey bolt....why exactly is it that you would have to pull the damper?
Really, have you ever changed a spark plug??? How about trying to learn a little so you know what your talking about when you say it. Seems to me you are almost blowing shit out your ass.

Sorry bud, but some newer Fords do require pulling the balancer to remove the pulley. I think 4.6's are this way (I may be wrong, I've never really worked on one) and I don't know about the 3.8 in question here....

[wildstringer]

I never seen one yet that the balancer had to come of maybe the crank bolt that holds the balancer on but never the whole balancer but , hey i could be wrong.

[thunderbird muscle]

I would go with underdrive pulleys!

[brentmcq]

Really, have you ever changed a spark plug??? How about trying to learn a little so you know what your talking about when you say it. Seems to me you are almost blowing shit out your ass.[/quote]

Dude maybe you should just look under the hood of a 4.6L before sounding like such an ass. BTW I just installed my UDP's 3 weeks ago, the balancer / pulley are a combo unit. Before you go off on being such a dick you should really get your damn facts straight. For others that are reading this I don't normally get into little spats but this pissed me off.