07-05-2005, 11:49 AM
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#1
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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how much of a smaller belt i need? parts store says he can get an inch shorter, or 1.5 inches shorter...which one will i need? anyone know?
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07-05-2005, 11:52 AM
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#2
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H&B Shipping Agent
Join Date: Nov 2003
Location: Waterbury Center, VT
Posts: 4,450
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Quick way to find out is to email/call rsm and ask.
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07-05-2005, 01:11 PM
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#3
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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need a 50" belt...just for anyone else that wants to know
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07-05-2005, 01:12 PM
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#4
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V.I.P. Member
Join Date: Jun 2004
Location: Nova Scotia
Posts: 252
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Cool lets us know how it goes for ya. I am looking at getting pulleys to.
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07-05-2005, 03:27 PM
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#5
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Stupid question... what do the pulleys end up doing for you?
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07-06-2005, 05:43 AM
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#6
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Boost Guru
Join Date: Mar 2004
Location: Buffalo, NY
Posts: 1,837
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Quote:
Originally posted by coredump@Jul 5 2005, 02:27 PM
Stupid question... what do the pulleys end up doing for you?
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the crank pulley is lighter and smaller than the stock one. it lets the engine rev quicker which helps the car accelerate faster. you can also get an underdrive pulley for the alternator which will lessen the parasitic drag it puts on the engine, and lets the engine rev even a little quicker still.
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07-05-2005, 04:18 PM
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#7
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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i have the UR pulley and i have to use a 450mm belt. stock is 475mm
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07-05-2005, 04:59 PM
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#8
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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Quote:
Originally posted by Oldsman@Jul 5 2005, 04:18 PM
i have the UR pulley and i have to use a 450mm belt. stock is 475mm
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um..wow..this is weird...your american speaking metric, i'm canadian and i need imperial...what the hell is 450mm in inches?
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07-05-2005, 05:12 PM
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#9
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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17.7165 inches
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
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07-06-2005, 12:42 PM
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#10
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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Quote:
Originally posted by Oldsman@Jul 5 2005, 05:12 PM
17.7165 inches
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whoa whoa whoa...well then wtf was RSM talkin about a 50" belt for??
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07-06-2005, 01:17 PM
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#11
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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ok i'm confused scott...
i ordered a shorter belt, guy at parts counter said i can get it in 2 smaller sizes...1" or 1.5" shorter...i got one, and its 45.5"long...
so you're 17" belt doesn't add up nowhere in this...
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07-06-2005, 03:31 PM
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#12
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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the specs that belt manufacture actually put on their belt is in mm. what they do is take the stretch it out and measure from one side to the other.
now if you take the 450mm belt and cut it in half and then measure it it would be 35.433 inches.
So to say it another way they spec them as diameter size rather than circumference.
if the belt you have is 45.5 diameter it might fit on my durango or go around the pullies a few times.
so take your belt, stretch it out (very tight oval) and measure from one side to the other. should be 450mm or almost 17.75"
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
Beware of the BackStabber
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07-06-2005, 03:46 PM
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#13
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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AHHHH.....
nevermind...i obviously got the wrong belt then...mine is 22" measured the way you described
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07-06-2005, 04:02 PM
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#14
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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what does the numbers on the belt say?
give me the part number off the belt and i could tell ya better
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
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07-06-2005, 04:08 PM
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#15
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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ok, the one they just sent me is a 5050460
i called a different parts store, and they agreed with your 5050450 belt, but they're expensive so i called back the other one, told him i need the 450mm and he says i could use the one he gave me...this is effin rediculous
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07-06-2005, 04:11 PM
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#16
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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a 460 belt should work fine.
what i have is a 4050450 belt
notice the last 3 digits
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
Beware of the BackStabber
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07-06-2005, 04:14 PM
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#17
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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if i use a 460, it'll wear out quicker tho won't it? well..i'll have less adjustment to it for the tensionner?
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07-06-2005, 04:21 PM
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#18
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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Quote:
Originally posted by 2000_olds_alero@Jul 6 2005, 02:14 PM
if i use a 460, it'll wear out quicker tho won't it? well..i'll have less adjustment to it for the tensionner?
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that depends on the diameter of the rsm pulley. i know with my UR pulley 450 belt i use about every bit of my tensioner. so you will have an easier time getting your belt on than me. being the rsm is not bigger around than the UR.
grab a 15mm wrench and go out and change the belt and find out. unless you don't have the pulley on yet
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
Beware of the BackStabber
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07-06-2005, 04:18 PM
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#19
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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oh wait............just did some digging and there specs are not mm but a 450 belt is 45.0" the stock belt is a 475 which means 47.5" which this appears to be effective length kinda like circumference.
end result you have the right belt
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
Beware of the BackStabber
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07-06-2005, 04:21 PM
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#20
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Designated Drunk
Join Date: Nov 2003
Location: New Liskeard, Ontario
Posts: 6,873
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i don't have the pulley on yet..i'm changin it out tonight..but i REALLY wanna make sure i have a belt that'll fit..
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