Aluminum Drive shaft require tune Auto?

WHSTLR

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As stated in Title! Does the 11-12 require a tune when you install the Aluminum DS on an already tuned 5.0? I didn't find a thread that referenced this specifically.
 

94_Vert

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No tune required, but you do need to adjust and clean the johnson rod.


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jim g

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i would talk to your tuner. but i think if you didnt get a new tune for the hood and hood pins.... u will defiantly need one now.....
 

WHSTLR

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Well I aske dthe question because I was told by several people that I didn't however, I have it installed and on the 2-1 downshift it tends to shift down hard and clunk a bit. Its a decent jolt so I know its not good for the tranny. So since I have experienced this, it definitely begs the question of what has changed and why it does it? The tuning would be my first thought due to the easy install of the DS. If you can tune shift points, can you not fix this issue with tuning! No flame suit for me, I asked to learn. You guys realize that its ok not to know everything right?
 

WHSTLR

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No, but if you change the muffler bearings at the same time, which you should, then yes.

No tune required, but you do need to adjust and clean the johnson rod.


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i would talk to your tuner. but i think if you didnt get a new tune for the hood and hood pins.... u will defiantly need one now.....

LOL! Some of these were pretty funny!
 

WHSTLR

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are you lowered?

Yes, on eibach sportlines. And with that question you just helped me diagnose the issue most likely. I installed the DS on a lift and never got to check pinion angle due to recent rain and a family trip (not in the car). So now I think I know the culprit!
 

4VFTW

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No tune required , but due to less rotational mass and faster acceleration you should go with a stiffer piston return spring
 

2012csgt

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Laugh all you want but when I put my DS in shortly after I blew my #8. I think it's because it enables you to rev much faster with less weight and it catches the global timing off guard... Them say goodbye #8. Make sure your tuner lowers your timing or just lower it -2 on the sct yourself. Consider yourself warned.
 

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