Drivetrain ok if 15% is so good y not17%
#4
You have to look at many things, as I have learned, before making the plunge. Randy Webb and Peter from M7 both believe a 19% reduction pulley is too much while others disagree. Randy Webb prefers a 15% and Peter has no problem with a 17% - spoken to my ears by both. I have a 15% or nearly so with my 05 JCW kit.
I will be changing to a 17%, along with the AGS, Miltek header, 180 degree thermostat and perhaps the radical M7 hoodscoop. When I wrote 'many things' above, I was referring to the array of modifications among us. What works for some will not for others... A 17% feels middle of the road to me; not too conservative and not too aggressive. Go for it
I will be changing to a 17%, along with the AGS, Miltek header, 180 degree thermostat and perhaps the radical M7 hoodscoop. When I wrote 'many things' above, I was referring to the array of modifications among us. What works for some will not for others... A 17% feels middle of the road to me; not too conservative and not too aggressive. Go for it
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Originally Posted by chrisw765
it seams every one got the 15% pully but the 17% is the same price well y not go 17%
"And some folks loves ham hocks and some folks loves pork chops and some folks loves vegetable soup
And Roland the roadie loves Gertrude the groupie, but Gertrude the groupie loves groups"
- "Roland the Roadie and Gertrude the Groupie" by Dr. Hook & The Medicine Show
#13
Like meb said above, "you have to consider many things". Myself, I am going with a 15% SC reduction pulley and, when it is released, the upcoming Alta 2% increased crank pulley. This will give me the equivalent to a 17%, but will give my belt a larger contact area (than a 17%) and also drop some rotational mass from the car. In theory, this combo will be safer and offer better performance. My only concern is what someone mentioned above about ECU's. I want to go with a GIAC, and that will work fine for my initial 15%. However, when I add the crank pulley and get closer to 17% performance, I don't know what I should do...if anyone has any ideas, let me know.
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Kimolaoha
R56 :: Hatch Talk (2007+)
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12-05-2020 09:32 PM