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Discussion Starter · #1 ·
Ok, I've got a pulley that has come lose. I have a '91 1.9L. It's a shiny mettalic pulley that you can see when looking straight down into the engine bay.

I will get a picture of it in a little while (finding my digi camera). Has anyone else had this problem?

Also, I know it has been asked many times, but where can I get a Underdrive Crank Pulley AND an OD Alt. Pulley at the same site. I've seen them listed on the same site before, but I don't remember where it was and I can't find it.


 

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Discussion Starter · #3 ·
Thanks.

Yea, but see I want to order the 2 parts from the same site, but I will look at the other posts.
 

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Discussion Starter · #4 ·
Update: I fixed that about 2 weeks ago. It was a pain in the butt to get to.

Plus, I found out that the schmuck that I bought the car from had shortened the Powersteering fluid line when he replaced the original engine. I wondered why I was leak PS fluid. And on top of that I found what I think is the remnants of an AC hose. So I had to chop it off so that it didn't get caught in a belt.
 

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yea, i realized that after i posted...but it was just one of those things i just happened upon and said to my self....hey isnt someone looking for those???
 

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can we grease (not the belt, exaclty where his belt tensioner broke (red arrow)) the belt tensionner? mine is hard to move and maybe grease will help
 

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Discussion Starter · #9 ·
Hey Anomalous and smoke187, thanks. I found those site while I was in Oklahoma, but I lost the URLs. Thanks.

And JohnnyBee, the best way I found was to remove the tensior. Completely, and then grease it up. Or you could loosen the bolt if you can move it.
 

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If ya gonna buy a under drive pully, do it the right way the first time, and save yourself money, after much research on my part, there is one thing you need to know, either way you do it, if you overdrive say your alternator, your negating the entire principle of "Under-driving", what this means is if you under drive your engine then over drive your accessories, you are doing the technical equivalent of masterbating... doing alot of work to do nothing... just under-drive it a reasonable amount, which won't hurt anything if you don't go to extremes, for a day-to-day driver which see's stop-in-go traffic, go with a 25% under-drive pully, if the car is your "Crack on the weekends, I trually am one messed up speed freak since I get my fix in an Escort type", then perhaps go with a 35% through 50% under-drive, 50% being really bad for anything but gunning it 75% of the time, and 35% pushing it for real streetablity...

The main difference you'll want though is not the under-driving actually, want you want is less receprocating (I hate spelling!) weight, meaning the lighter it is, the faster your engine will wind up and throw itself forward!

Personally through experience I recommend:

www.blackdiamondracing.com

they have what i believe is a 25% UDP which fits perfectly, is light as hell, made very very well, and is rellatively cheap at $110 (including shipping for me)...

Personally I have had bad experience with www.escortfocus.com when it comes to tech support, and I have heard that they don't even use msot of there own stuff, just use "Brand 'A's" stuff, and stick there logo on it and jack the price up... either way the choice is yours...
 

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EFP uses black diamond stuff and charges you more$ for the same part. I got took, but i love my 25% UDP. an overdrive ALT pully is a waste of time money. might as well leave the stock setup. I have been running mine for about 5 months now, prolly 6K miles and no issues. I have a stereo set up in my car and with proper wiring and a good grounding kit you will experance no issues either.
 

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thank you, datafive0, for agreeing with me... I hate to see people waste money one stuff which just doesn't make sence.... why would you add say a under drive pully rated at 50%, and then over drive everything else so you are really looking at 25% under-driving, wehn you could ahve saved youself lots of $$$ and just under-drove it 25% to begin with.... either way it's not the under-driving which really makes the difference, it's the fact that you will have less weights spinning and what have you... oh well... either way...
 

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what no one has posted yet is somthing that very few poeple realise.. while underdricing your accessories does increase power that's not where the majority of the "power" from an underdrive pulley comes from.. the majority of the gain comes from the fact that they are lighter weight, less rotating mass=motor can spin harder, while this does NOT add HP it is more of a benefit than just underdriving your accesories. so basically what i am saying is your car would benifit more from a LIGHTER pulley the same diameter as the stock one than it would from an underdrive pulley that weighed the SAME as the stock one... anyone get it? lol i know.. kinda confusing. one other thing the 50% UDP isn't worth it, the power gain is so incredibly minimal it won't matter and if you look at EFP's disclaimer your engine has to idle at certain RPM..
 

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the 50% UDP weighs practically the same as the 25%. underdriving acessories doesnt really help out as much if at all on smaller engines like these.. if we had chevy small block V8s...

and technically, it does ADD hp to reduce weight off the crank with the new aluminum UDP.. it adds back hp lost that was used to spin more weight.

so really, a better way of saying it is that it releases additional hp that was previously wasted to spin additional weight.

btw, when i replaced the alternator on my 91 pony, i replaced it with one from a 95 escort because the pulley was larger, thus overdriving my alternator.

apparently there was a pulley size change.
 

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Discussion Starter · #15 ·
Americanzer0 said:
for a day-to-day driver which see's stop-in-go traffic, go with a 25% under-drive pully, if the car is your "Crack on the weekends, I trually am one messed up speed freak since I get my fix in an Escort type"
Well, I'm neither one of those. I actually do 30 mi a day.

2 times a day @:
7.5 mi on a paved country road (70-85) mph, depending on weather, and 7.5 mi on the highway (60-65 mph) to school.

I won't go and say driving is natural for me. I will say that I know what I can handle, and I can't handle much above 87 in this car. So don't bust me on my speed.

Ok, well thanks for the info. I think I'll just get a 25% UDP from either BDR or ZX2 Racing (whichever has the best deal), when I get the money. Thanks for making me understand that underdriving and the overdriving the pulley is a waste of time, money, and effort.
 
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