after many months of waiting i have finally received my lightweight underdrive crankshaft pulley im not sure of how much of a reduction i have ( its has about a 5 1/2in diameter) or how light it actually is but im just glad to finally have it!

i need some help finding the belts and all the accessories that go along with it

i also am looking for an easy way to install this thing myself if at all possible

i was also curious how many of the VG's on the org are running around with udp's?

 

I had one loved it. Sold it, wish I didn't have to.

 

If that's a new VG lightweight pulley from ASP I believe it is stock size and would use your stock size belts. The actual underdrive (smaller diameter) pulleys for the VG were previously made by Unorthodox Racing. ASP made UDPs for the VE, and just recently started making stock size aluminum pulleys for the VG. Correct me if I'm wrong.

 

ASP makes normal and underdrive size pulleys for the VG now. But aren't the belt sizes in the mod info sticky?

 

I have a unorthodox and love it. You can always install pulley and run a string around where belt goes and then measure the length and go to parts store and find a belt that works.

 

Hmmm.... I didn't know they were now making both. That's great!

I wonder though, what is the value of having a UDP when the light weight stock size aluminum pulley is already so light. How much more inertia does the UDP cut over the LWP (LightWeightPulley)?

Also, what are the prices? I'll check their site too.

 

yep thanxs in part to cmax03 asp is now selling vg underdrive and OEM sized pulleys i know mine is underdriven because cmax03 made his oem sized and i didn't realize till a a few weeks later so i had to call back and change my order which caused mine to be delayed an extra month so im 100% sure they make VG UDP's (i paid $150 + $9 shipping)

also the "oem sized pulley" according to asp will only make the engine rev quicker and it would be unlikely if it saw any increase in horsepower at all

but i think the main benefit to OEM sized is that if u have alot of sound equipment (not sure how much exactly) u might have problems with an underdrive pulley and your alternator not being able to charge at idle im sure if u search u'll find an org member who was running his idle at 1500pm's i think just to keep his speakers workin

ive also heard something about udp's causing problems with the power steering at high revs but im not reving to 6500 so im not worried about it

 

the UDP's advantage is the fact that the alty, PS pump, and a/c compressor spin slower, so they take less power from the engine to operate. Granted, your a/c won't be as strong, your battery won't recharge as fast if you leave the lights on, and your steering will be heavier, but it's all about tradeoffs.

 

Fact: Any pulley is better than a stock wobbly pulley.

 

which is why i'm getting one of the asp ones eventually... cuz my stock one is all fubar'd and wobbly. that big spacer thing isn't perfectly centered either but its mass is rather small so i don't know just how much vibration that would add.

 

I'm ready for "STFU noob"...BUT I take it you have to contact them about ordering one?

It's not listed on their site...

 

well im willing to compensate the ac and the battery thing but what i am worried about is the steering from what i read its only a problem when the engine is reving extremely high is that true or am i gonna have "heavy" steering the second i put this thing on
im definetly glad to hear that i didn't think crankshaft pulleys suffered any damage at all atleast damage that would effect performance
yep give em a call they custom made mine and made a bunch of oem ones so i think oem sized should be able to ship out right away but the udp's might take a few weeks

 

i would expect it to affect you most at idle on the steering, but also so your steering wouldn't be so light on the highway. but when idling it might be a bit harder to turn the wheel quickly (parallel parking, etc)

 

if you can't drive a car with a little less power assist, go to a gym. I drove my car with a busted ps pump for about 3 months, and it really wasn't that bad. only reason I replaced it was because i was afraid it would explode, damaging the car, or just simply throw the belt, and my wp wouldn't work, anymore.

 

i did drive for a few weeks with a busted ps pump as well it wasn't that noticeable on the freeway but parking definetly became a chore....so is there anything i can do balance out the handling i do need a new rack and pinion soon (mine is leaking) is there such thing as a performance one....if not whats the best mod to improve the handling of a 3rd gen?

also is there anybody who bought one that can testify too how dramatic the change in steering is?

 

oh yeah the mod thread only has belt sizes for the VE UDP can anyone help out with the VG sizes

 

um, the UDP isn't going to do anything to your handling....... unless you're calling more or less steering boost a 'mod'

you should already know springs/strut/sways/STBs/SFCs/LTBs by now...

and unless you LIKE having a leaky rack and pinion, yea, get a new one.

sounds like you have more important things to worry about than a crank pulley.

 

okay well im taking a second look at my suspension setup but i still need some help on this pulley....... im gonna be adjusting my timing replacing my thermostat and flushing the radiator all at the same time ..........so the last thing i wana do is run a string around the thing and hope i get it right and dont have to run back to the store....... can anyone help me out with a belt size list for the VG UDP there has to be some guys still using the unorthodox ones plus since ASP is making these again (they did make them before right) then shouldn't the VG UDP belt sizes be on the mods sticky with the VE sizes

....also aren't there a few things like tensionors and washers or something on the pulley that should i get replaced as well...

 

do you have a 2nd car to drive to the parts store with when your car is down? goodyear gatorback belts have a standardized sizing system, i believe it is CMxRibCount (like 110K5 is 110cm 5 ribs)

take your belts off and leave the tensioners as they were when you took the belts off. then with the new pulley on, put the belts back on and eyeball about how much extra unnecessary slack there is, and go to the parts store, have them look up each STOCK belt, then subtract what you think is the right amount from each one. Take belts home and try and put them onto the car with the tensioners in the same position they were in when you first took your belts off. If they just barely slide on just like the stock ones just barely slid off, then roll with it. If it's wrong, go back to the parts store and try another size.

Then come back and update the sticky for us VG ppl.

 

When did ASP start making them? When I bought mine I think UR was the only option (still think it's great). FYI: I never noticed any difference in performance from my accessories with the 15% reduction that came with my UDP. One of the best engine mods out there!

 

i guess thats what ill have to do then luckily the autozone around here lets people do way more drastic work then timing belts on their site.... so i guess ill throw everything in the trunk and do it in their parking lot but its still 40 degrees in ct ill prolly wait a few weeks....

...and yeah i didn't know i had the only VG UDP made since unorthodox stopped makin them... so i guess its my job to update the sticky