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From a Bonnie Lass to a Goat!
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100 Posts
Discussion Starter #1 (Edited)
on my Gen III eaton blower that was on my Bonneville, i had a Modular Pulley System that allowed me to change the pulley sizes to get more power with smaller pulleys as i change exhaust, heads, added intercoolers etc. Has anyone seen this for the GTO yet?

Also, is there an intercoole option for the maggie? something else i have not been able to find coments on ....

i think i will go with the Super Charger in the future as it is something i am familiar with and it is an easier DIY.

and before "some" of you ask - YES, i have readsearched almost the entire FI section, as well as, the "other" LS1 forum - my head hurts and my eyes will never forgive me.
 

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I'm gonna get you!
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2,812 Posts
The m112 uses a key'd shaft so you can just swap the front pully.
 

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Premium Member
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13,113 Posts
The problem is that the 05/06 already comes with a 2.8 Pulley. 2.7 is an option but a 2.6 on my setup slips enough to lose 1.2# of boost.

Your options are to have the pulleys on the back of the blower swapped to a C5 1:1 setup or use the OD crank from ECS made by Innovators West.
 
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