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Old 11-15-2010, 03:24 PM   #1
tom's2005gto
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For better belt wrap TVS2300

update post #9 changed to a 1.95" pulley This can probably be done on other models (1900, 112, 122). We removed the original idler pulley just below the throttle body and relocated it giving more contact of the belt on the snout pulley. We removed the two bolts from the mount that the pulley was bolted to, drilled and taped a new hole further down and to the right side (towards the snout pulley). We also replace the original pulley with a Dayco 89074.

Since this mod, we have taken it a step further and moved the pulley location further and now using a ProCharger 2.3" pulley.


Note, the pulley's I used are wide enough to accommodate the 8 rib setup I am using. I mention this in case your still using the stockers. Also, I am not taking claim for this idea, it is one that Thomas Hendrix shared with me, that he and others have been doing for a while.









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427 TVS2300 Killer Chiller Meziere ETP 245 Lonnie's twin pump system Hendrix-Engineering 8.8 LSPWR mini tubbed with 315's. Converted from M6 to a 4L80E built by FLT Yank SC3000

Last edited by tom's2005gto; 12-12-2010 at 04:19 PM.
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Old 11-16-2010, 11:12 AM   #2
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Interesting, thats a good idea... works well Tom?
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Old 11-16-2010, 11:24 AM   #3
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definitely helped
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Old 11-16-2010, 11:27 AM   #4
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Maybe this is something ToridGTO should consider on his MP112 setup. Last I talked to him he mentioned he shreaded a couple belts and the new kevlar one he has is otw out the door also.
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Old 11-19-2010, 05:33 PM   #5
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Sure does get close at the idler
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Old 12-05-2010, 07:34 PM   #6
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This mod was one of those quick and easy well worth it mods. It is something that will help alot of those maggie guys that are getting just a little bit of belt slip. The best part is it wont cost an arm and a leg.
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Old 12-11-2010, 02:32 PM   #7
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Very Nice guys!! Now I just need to get my car back from the shop..
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Old 12-12-2010, 01:03 PM   #8
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interesting this is somthing i need to do i dont have the eight rib setup like you so slipping is a big issue and i dont have an upgraded tensioner pulley yet because of the three hundred plus price tag.thanks for posting this tom im might have to talk poolshark into letting me try this in his garage since he has the tools lol.
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Old 12-12-2010, 04:18 PM   #9
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UPDATE.... I decided to change pulley size. I ordered a 1.95" from procharger. I like this much better then the 2.33"









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mods.... yep I've done them!
427 TVS2300 Killer Chiller Meziere ETP 245 Lonnie's twin pump system Hendrix-Engineering 8.8 LSPWR mini tubbed with 315's. Converted from M6 to a 4L80E built by FLT Yank SC3000
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Old 12-14-2010, 01:19 AM   #10
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Nice Tom shouldn't be getting any belt slip.
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Old 12-14-2010, 09:16 PM   #11
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Anytime you want to do anything TorridGTO... just hit me up, more then willing to help!
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Old 10-28-2011, 09:30 AM   #12
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Great job Tom,i will try to get this part made this winter,it helps a ton.
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Old 12-03-2011, 02:02 PM   #13
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I miss my Maggie....
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