Great news for the 545 transmission!!!!! - Hemi Truck Club
 
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Old 02-20-2016, 09:36 PM   #1
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Great news for the 545 transmission!!!!!

Here at our shop, we have the nastiest supercharrged AWD GMC Syclone pickup along with nastiest 4x4 Ram. Both eats transmissions for kicks and both will not except a 4L80 swap since there's no room for a 4L80 in the Syclone and it would cost me a small fortune to replace and mod my front drive differential.

So...Here come's Sonnax to the rescue. Gregg Nader himself, a Guinness with transmissions and the director of Sonnax High Performance, flew out and spent the better part of last week helping us solve our issues. As most of you know, Sonnax is world known in the transmission business and that same company makes the line pressure booster that some of us run to increase transmission line pressures on the 545.

First off, he help us re-build and blueprint a 4L60 for the Syclone, which btw will be called the Superstreet Performance 4L75, but you'll just have to wait a tinge before I can release any info for my 545 build. Trust me, it'll be worth the wait. And the bright side is, is that any reputable transmission shop will have access to these parts once they're released.

Don't fear the 2nd gear prime downshift no more.
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Old 02-20-2016, 09:42 PM   #2
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Good news, I just had my 545RFE transmission replaced after 4th and OD failed at 72,900 miles, on my 2007 Dodge Ram 1500 Quad Cab.
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Old 02-20-2016, 10:22 PM   #3
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Oh please hurry on this romping from a roll will be so nice
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Old 02-21-2016, 04:36 AM   #4
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Old 02-21-2016, 12:08 PM   #5
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Is there a ball park price on the cost to get parts?
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Old 02-21-2016, 12:42 PM   #6
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Can he give any onsite on 03 tranny support?
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Old 02-21-2016, 05:57 PM   #7
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I wish everyone luck with this......
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Old 02-21-2016, 07:03 PM   #8
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NICE INFO-
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Old 02-21-2016, 10:07 PM   #9
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Quote:
Originally Posted by 04sthemi View Post
Is there a ball park price on the cost to get parts?
There not available yet so I don't know the price. The new parts must be tested first, so that's where I come in.
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Old 02-22-2016, 02:56 AM   #10
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"Don't fear the 2nd gear prime downshift no more".
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