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Team Orange
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34,056 Posts
Discussion Starter #1 (Edited)
OK Guys... Here is a little Blower RPM 101 of a bunch of you guys looking for info on some suggestions for Aftercoolers and "Safe" RPM on Ported/ Non-Ported blowers... now this is not writen in stone.. "but" it is a good suggestion to use this as a guide when selecting on which set up to go with.. ;)

Stock Si Crank Pulley 13810-RRB-A01
5.46 / 3.60 x 8500 = 12891
5.46 / 3.40 x 8500 = 13650
5.46 / 3.30 x 8500 = 14063
5.46 / 3.20 x 8500 = 14503
5.46 / 3.15 x 8500 = 14733
5.46 / 3.00 x 8500 = 15470 *Aftercooler recomended
5.46 / 2.90 x 8500 = 16003 *Aftercooler recomended
5.46 / 2.80 x 8500 = 16575 *Aftercooler needed
5.46 / 2.60 x 8500 = 17850 *Aftercooler+Blower porting needed/ possible belt slip


CR-V Crank Pulley 13810-RRA-A02
5.98 / 3.60 x 8500 = 14119
5.98 / 3.40 x 8500 = 14950
5.98 / 3.30 x 8500 = 15403 *Aftercooler recomended
5.98 / 3.20 x 8500 = 15884 *Aftercooler needed
5.98 / 3.15 x 8500 = 16136 *Aftercooler needed
5.98 / 3.00 x 8500 = 16943 *Aftercooler+Blower porting recomended
5.98 / 2.90 x 8500 = 17527 *Aftercooler+Blower porting needed
5.98 / 2.80 x 8500 = 18153 *Aftercooler+Blower porting needed
5.98 / 2.60 x 8500 = 19550 *Aftercooler+Blower porting needed/ possible belt slip and blower bearing issues..


2012 Si Crank Pulley 13810-R40-A02
or
2011 RDX Crank Pulley 13810-RWC-A01 Cheaper and about 2 grams lighter
6.37 / 3.60 x 8500 = 15040
6.37 / 3.40 x 8500 = 15925 *Aftercooler needed
6.37 / 3.30 x 8500 = 16407 *Aftercooler needed
6.37 / 3.20 x 8500 = 16920 *Aftercooler+Blower porting recomended
6.37 / 3.15 x 8500 = 17188 *Aftercooler+Blower porting needed
6.37 / 3.00 x 8500 = 18048 *Aftercooler+Blower porting needed
6.37 / 2.90 x 8500 = 18670 *Aftercooler+Blower porting needed/ possible blower bearing issues..
6.37 / 2.80 x 8500 = 19337 *Aftercooler+Blower porting needed/ possible blower bearing issues..
6.37 / 2.60 x 8500 = 20825 *Aftercooler+Blower porting needed/ possible belt slip and blower bearing issues..
 

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Team Orange
Joined
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34,056 Posts
Discussion Starter #6
The RDX Pulley 13810-RWC-A01 is similar in size to the R40 pulley... not to sure on exact DIA but it's lighter than the R40 one by quite a bit...and it's rather cheap too :shrug:....
looking to find more info on this pulley :paper:
 

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1* Man
Joined
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21,518 Posts
The RDX Pulley 13810-RWC-A01 is similar in size to the R40 pulley... not to sure on exact DIA but it's lighter than the R40 one by quite a bit...and it's rather cheap too :shrug:....
looking to find more info on this pulley :paper:
Yeah id like to know exactly, cuz my friend is selling one and i might buy it if i can run it without a ported blower

also how much is the rdx pulley new? this guy is sellin it to me for $60. is that a good price?
 

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there is no spoon
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16,809 Posts
And the outer diameter is not what you need. You need the diameter where the ridges are that the belt runs on. It's impossible for me to get you that without taking the belt off. Which will never happen on that car.
 

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1* Man
Joined
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21,518 Posts
And the outer diameter is not what you need. You need the diameter where the ridges are that the belt runs on. It's impossible for me to get you that without taking the belt off. Which will never happen on that car.
:word:

i found it online from acura for $28?! its that cheap??
 

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Team Orange
Joined
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34,056 Posts
Discussion Starter #16
:word:

i found it online from acura for $28?! its that cheap??
Thats about the price they sell for 28~39$ :paper:

Buy it and measure it for us :excited:.... measure it from Peak to Peak on where the belt rests.. so we can add a pulley to the line up if it's different :think:

Also looking at adding the Monster 4G TL pulley to the line up if there is anyone crazy enought to use it :think::shadyhat:
 

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1* Man
Joined
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21,518 Posts
Thats about the price they sell for 28~39$ :paper:

Buy it and measure it for us :excited:.... measure it from Peak to Peak on where the belt rests.. so we can add a pulley to the line up if it's different :think:

Also looking at adding the Monster 4G TL pulley to the line up if there is anyone crazy enought to use it :think::shadyhat:
I will buy it if i can confirm i wont have a problem using it with an unported blower and 3" pulley lol.

and which pullies are in those pics??





 
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