4.6L Undedrive Pulleys...belt length?

[Capri331]

I just bought a 2000 Expy 4.6L and I am wanting to install underdrives on it. Has anyone done this and how much shorter is the belt?

Thx Capri 331

 

[mustangrfast88]

so you plan on getting your pullys from i am getting ready to order a set from mac and i am pretty sure it tells you in the directions what length of belt you need

 

[Capri331]

BrenSpeed has the MAC Performance brand for a little less than direct through MAC. I have MAC pulleys on my Capri and have been happy with them.

BrenSpeed seems to be the only place I can find selling MAC pulleys for Expeditions, can't even find them on eBay.

 

[mustangrfast88]

go to macperformance.com thats where i found them for my expedition

 

[Capri331]

Originally posted by mustangrfast88
go to macperformance.com thats where i found them for my expedition

If you look at my previous post I have them hyperlinked as well as BrenSpeed. You'll find them a little less money from BrenSpeed.

 

[mustangrfast88]

my bad i am also thinking of using there catback exhaust sytem on my expedition

 

[Capri331]

I want to do a cat back too. I just found one on eBay, it's a FlowTech system. Buy It Now is $110 that is a huge savings.

My wife most likely won't go for the thoaty muffler on "her" Expy so if you want it go for it. I will have to tell you though, if it doesn't get any bids I am snagging it.

 

[mustangrfast88]

i have used a bunch of different exhaust on my mustang and i like the perfomance and the sound of the mac better then anything out on the market and flowtech i really dont like because of the cheap design