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Old 04-21-2007, 12:26 PM   #1
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Default might need a smaller sc belt

I have been using the stock belt with a 3.4 pulley and larger tensioner for sometime now but I think its begining to slip. What is the next smallest size belt I can run on a 2003 ssei? I have seen the posts before but have been searching not finding size/ model numbers.

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Old 04-21-2007, 12:40 PM   #2
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I'm running a 4060715 belt with the stock tensioner pulley. If you want to go back to the stock tensioner pulley, you can use that belt.
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Old 04-21-2007, 01:34 PM   #3
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correct Dick....

the stock belt on a SSEi is a 725 belt. When you go to a smaller pulley you have 2 options.

install a oversized Tensioner
or
changer the belt to a 715
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Old 04-21-2007, 01:42 PM   #4
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can I use a 715 size belt with the oversized tensioner? I have this enoying squeek and when I apply force on the belt it goes way
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Old 04-21-2007, 01:49 PM   #5
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No. One or the other. 715 belt preferred with the stock idler over stock belt with the oversized idler.

Oversized idlers work better for the S1. Shorter belts for the S2.
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Old 04-21-2007, 02:56 PM   #6
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Sorry I dont know what a S1 or S2 is? Please explain
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Old 04-21-2007, 03:41 PM   #7
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Series 1 L67 from 1991-1995.
Series 2 L67 from 1996-2003.

You have the latter. Shorter belt, stock idler for you.
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Old 04-21-2007, 03:55 PM   #8
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I am runnin 715 with my 3.5 pulley stock idler and its pretty tight. I think it would be same for 3.4
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Old 04-21-2007, 05:58 PM   #9
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The 715 is plenty tight for my 3.4 also. If you still have problems after returning to the standard pulley size, and going to a smaller belt, you may need to replace the tensioner.
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