Type R Vs. GSR Crank Pulley
03-12-2009, 12:04 PM
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Type R Vs. GSR Crank Pulley
i was wondering what is the differnt between type r crank pulley and GSR coz one of my friend had GSR pulley on his type r i was wondering if its safe to use the gsr or its better to ge the type r with the belts
03-13-2009, 12:13 AM
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Re: Type R Vs. GSR Crank Pulley
Actually the R pulley is the smallest of all the USDM B series. There's not alot of difference but when you put them sidy by side you can see the difference. Smallest to largest to the best of my knowledge is ITR, B16, GSR, LS, CRV, JDM-CRV.
03-13-2009, 04:02 PM
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Re: Type R Vs. GSR Crank Pulley
ITR part is 13810-P73-J01 so it is definitely different. They probably use a smaller harmonic damper since the crank is beefier and the flywheel is lighter...
***edit: Now I remember that the ITR pulley is meant to control crank harmonics in a higher rpm range than the other pullies. I think Larry over at Endyn explained this some years ago. A rubber isolated harmonic balance can only control crank harmonics in a specific rpm window, so it's designed for the specific application. This explians all the different pullies from the different motors...
***edit: Now I remember that the ITR pulley is meant to control crank harmonics in a higher rpm range than the other pullies. I think Larry over at Endyn explained this some years ago. A rubber isolated harmonic balance can only control crank harmonics in a specific rpm window, so it's designed for the specific application. This explians all the different pullies from the different motors...
Last edited by 94eg!; 03-13-2009 at 08:02 PM.
03-13-2009, 10:39 PM
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Re: Type R Vs. GSR Crank Pulley
I remember researching this alot back when I had my R SC'd. I used the the GSR pulley to spin the blower faster thus raising the boost about 3 PSI.
The A/C also cooled better at low engine speeds with the GSR pulley. $.02
The A/C also cooled better at low engine speeds with the GSR pulley. $.02
Last edited by HYREV2NR; 03-13-2009 at 10:45 PM.
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