 underdrive crank pulley |
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 Aug 3, 2008 - 11:12 PM
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 Enthusiast Joined Mar 4, '07 Currently Offline Reputation: 0 (0%)  |
considering buying an underdrive crank pulley from unorthodox racing for my 2.2 has anyone done this?
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Aug 12, 2008 - 1:26 AM
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 Enthusiast  Joined Mar 3, '07 From Sunny Florida Currently Offline Reputation: 18 (91%) |
I have one on my 02 echo and my 86 celica..Loved the affects of the mod..lets the motor rev faster and 0-60 was def quicker, But there are always the ppl that will say..
"Well, since youre replacing the stock harmonic balancer with an underdriven pulley..your motor will blow up" I have "heard" of this happening..hence the new crank doesnt accept the vibrations like the stock one does, Kinda like a strut..But i've had no bad luck..And trust me..the Echo totally needed any help it can get =] Actually my 7afe prolly needs it even worse. 
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Aug 13, 2008 - 12:59 AM
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Enthusiast Joined Aug 7, '08 From Boone, N.C. Currently Offline Reputation: 0 (0%) |
It would be fine. Underdrive pulleys are good for all-moter set ups. But never a good idea witha supercharger. I have built a couple blown 5.0 motors... so I know. Turbo is questionable. I just wouldn't if i was planning on making a lot more power.
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