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Gains from 5.3 with bolt ons?

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Old 06-23-2010, 10:13 PM
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Yes the clutch fan is controlled by the ecm up until the 07 models including the ss's..
Have you had any cooling issues?? Anything seem odd with the fan??
Here's a pic of the fan off my SS,notice the wiring...

Last edited by andrew383; 06-23-2010 at 10:20 PM.
Old 06-24-2010, 07:15 AM
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Well **** me...LOL, didnt see that coming.

yes, the truck was getting to 220 when i got it, after driving it and beating on it a bit to see how it would do, i guess the clutch fan got worse and was free spinning when it was off, but the fact that it got to 240-250 sitting still told me the clutch fan was **** anyways. Guess i will replace it of course if i have the cash and go from there, i am tempted to drop the bastard off and try to find money to have someone else fix it but **** that if you guys can help me, the guys at Trailvoy have not done much help yet.
Old 06-24-2010, 07:16 AM
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Oh, BTW, after welding the fan clutch together, it doesnt get over 190, LOL.
Old 06-24-2010, 10:27 AM
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The 6.0's should be the same as the 5.3 fans...Im sure there are plenty down around your area that you could pick up cheap...
I can post over on the tbss site if you want ...

Welding it together?????
Old 06-24-2010, 10:33 AM
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160 stat, full exhaust,cold air intake and a tune..

you'll be 100% satisfied
Old 06-24-2010, 02:31 PM
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Originally Posted by ZONES89RS
Really? whats it look like price wise? I did the coolant bypass and descreened the MAF, seafoamed it and the damn thing was smokin good till it cleared up, hope it helps with the fuel economy.
400 bills
Old 06-24-2010, 03:38 PM
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Originally Posted by andrew383
The 6.0's should be the same as the 5.3 fans...Im sure there are plenty down around your area that you could pick up cheap...
I can post over on the tbss site if you want ...

Welding it together?????
I am going to try to find the cheapest one i can with a warranty i guess.

I welded the middle where you remove the fan so that it is a direct connect fan with no slip, was a temporary fix and the belt slips at 5000 RPM because it is moving so much air, pretty well designed fan for sure.

Originally Posted by sand man
160 stat, full exhaust,cold air intake and a tune..

you'll be 100% satisfied
160 stat will lower fuel economy right? I want more power and more mileage.

Originally Posted by Killtank
400 bills
Daaaaaammmmnnn, thats allot for a cold air but i guess you get what you pay for.
Old 06-24-2010, 07:52 PM
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Well, looks like it is mechanic shop bound, i am just not getting enough info, i will replace the clutch fan with a new unit and then drop it off next week.
Old 06-26-2010, 11:13 AM
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Did you try changing the plugs????
Old 06-26-2010, 01:10 PM
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Checked them. The looked like they were ok, a little lean maybe.


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