RE: underdrive pulley installation questions
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RE: underdrive pulley installation questions - 6/18/2006 12:14:26 PM
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ef4life
Posts: 2669
Joined: 11/21/2005
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quote:
ORIGINAL: Chimera02EX
^ Unorthodox Racing pulleys only underdrive the accessories by 10-13%, they are the same size as OEM, their gains come from being lighter. Also no matter what anyone says the Honda SOHC motors do not have any kind of harmonic balancer, so no the pulleys will not hurt your engine any more than any other performance mod you make.
no i have a z6 in my car and the crank has a harmonic balancer on it from the factory. my 1.5 did not. honda tuning even did an article on the draggin wagin where the stock damper was ruined so they used a stock 1.5 crank pulley until they got a new harmonic balancer.
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RE: underdrive pulley installation questions - 6/18/2006 4:20:06 PM
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Roto
Posts: 5530
Joined: 11/15/2004
From: Centralia, PA
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1.6 and 1.7 SOHC engines have harmonic balancers, 1.5's do not. I'm not sure of the JDM D15B though...so unless you have a 1.5 I wouldn't install a crank pulley. Accessory pulleys are ok though
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RE: underdrive pulley installation questions - 6/18/2006 5:11:28 PM
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AgentofDarkness
Posts: 5165
Joined: 1/20/2005
From: Chicago, Illinois
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quote:
ORIGINAL: Kolhoznik
Rebuild your alt for a high power application and than use that kit...
Wouldn't that be counter productive? You installing a pulley that turns the alt pulley slower, but you are rebuilding the alternator so it makes more power (which will require it to take more engine power)
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RE: underdrive pulley installation questions - 6/18/2006 6:51:39 PM
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Roto
Posts: 5530
Joined: 11/15/2004
From: Centralia, PA
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Actually that will benefit him anyway...since even the slower turning amp will put out more amps than stock (and that should be done anyway with a lot of electronics) but it will not drag on the engine as much...plus the pulleys look nice
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RE: underdrive pulley installation questions - 8/12/2006 1:57:44 AM
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psychocivic
Posts: 992
Joined: 8/24/2005
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once again bringing a thread back from the dead........1.6 engines have the harmonic balancers but the 1.5 dont, so then what about if someone does a mini me? i'm assuming since just the head is being changed that putting the 1.6 head on a 1.5 block, you could still install the unorthadox pulley without any harm right? like a d15b7 block with a d16y8 head. i just want to be sure before anything is purchased.
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RE: underdrive pulley installation questions - 8/13/2006 9:16:19 AM
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Chimera02EX
Posts: 2509
Joined: 7/26/2005
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Everyone is going to tell you they will kill your engine. There are people on here who have been running them for a couple years and no problems. It really boils down to if you want them or not. I personally do not feel they will kill your engine if you install them correctly.
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