hdorre Posted January 17, 2014 Report Share Posted January 17, 2014 Plain and simple, when I shift fast, my serpentine belt slips. It was perfectly fine with the OEM alt and that belt. Obviously my Singer has an overdrive pulley, which is smaller. As a result, less of the pulley is covered by the belt. I want to fix that, and here's what I thought of... Basically, here's the alternator in its bracket: Id only like to focus to the pic on the left. Here's my belt routing: I have A/C. Bascially, four bolts connect my alternator bracket to the engine. You can see those 4 point in the first two pictures. On the first picture that shows the alt's pulley, Id like to add an idler pulley on the lower of the two mounting bolts in order to increase belt wrap. My confusion is with the OEM idler pulley. It'll have less belt wrap if I add a secondary pulley. Would this be a problem? Would it squeal? Edit: Or would you just replace the oem idler with a larger one? On 5/8/2011 at 7:38 PM, Kranny said: On 5/8/2011 at 7:35 PM, 'Maxim' said: It hurts me inside when I read stuff like this and remember you're 15 LMFAO so true Mitsubishi 3000GT (Old Build) Headunit: Pioneer 80PRS Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s Electrical :Singer 260A Alt & JY Power Lithium 2005 Chevy Colorado Ext Cab Headunit: Pioneer 80PRS Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s Electrical: Singer "390" and JY Power My Official Feedback Thread Link to comment Share on other sites More sharing options...
tacomaguy1 Posted January 17, 2014 Report Share Posted January 17, 2014 don't shift so fast? lol couldn't hurt to try, easy to go back to stock if it doesn't do anything Team Flex Issues Link to comment Share on other sites More sharing options...
hdorre Posted January 17, 2014 Author Report Share Posted January 17, 2014 Or would you just replace the oem idler with a larger one? On 5/8/2011 at 7:38 PM, Kranny said: On 5/8/2011 at 7:35 PM, 'Maxim' said: It hurts me inside when I read stuff like this and remember you're 15 LMFAO so true Mitsubishi 3000GT (Old Build) Headunit: Pioneer 80PRS Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s Electrical :Singer 260A Alt & JY Power Lithium 2005 Chevy Colorado Ext Cab Headunit: Pioneer 80PRS Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s Electrical: Singer "390" and JY Power My Official Feedback Thread Link to comment Share on other sites More sharing options...
n8ball2013 Posted January 17, 2014 Report Share Posted January 17, 2014 Shift slower THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
MECHMAN Posted January 18, 2014 Report Share Posted January 18, 2014 You should be able to add a smooth backside idler pulley to INCREASE the belt wrap on the alternator pulley. That will help the overall performance of the alternator, but you will probably still get a "chirp" from the belt on high RPM gear changes. A larger alternator pulley and/or decoupler pulley would be the only way to fix that, but it would kill the idle output of the Singer alternator. 1-888-MECHMAN www.Mechman.com [email protected] Link to comment Share on other sites More sharing options...
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