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2006 Trailblazer SS
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178 Posts
Discussion Starter #1
Anyone have any input on the Sonnax 2.84 ratio carrier? Currently have my 4L70 scattered with a carrier failure and checking if their updated part is worth the extra money.
Thanks for any info!
 

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Premium Member
07 tbss awd
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1,264 Posts
I’d say if your in there for a carrier failure it may be worth the money. It’s not a miracle worker but it does close the large gear ratio gap between 1st and 2nd. I say if your already in there and the total cost difference is what 300-400 bucks? Go for it.

That said if your into dig racing through 1st gear only (like stop light to stop light) and your not making enough power to where traction is a major issue, I would stay with the stock ratio.

For most any other purpose I think you’ll be happy with the money spent.
 

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TrailblazerSS
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73 Posts
No. You need the lower ratio to get these heavy trucks moving.... Sonnax makes some nice parts... But you don't need tighter ratios
 
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