First Impressions of Sun Coast Trans/Converter - Ford Powerstroke Diesel Forum
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Old 05-12-2010, 07:32 AM
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First Impressions of Sun Coast Trans/Converter

So far after having my trans upgraded and Sun Coast converter installed the truck has driven flawlessly. Last night I went WOT for the first time from about a 30 MPH roll. The truck down shifted, upshifted and then locked the converter. This whole sequence felt very smooth. No erradic shifting or slamming gears. Let me tell you, when the converter goes to lock, you FEEL the difference vs. the stock unit! It reminds me of hitting the first stage of nitrous in a few of my cars at the track back in the day! My first though after the converter locked up was, "that's worth a MPH right there!", (meaning in the 1/4 mile of course).

Later on in the night and about 50 miles down the road I nailed it from about a 10 MPH roll and holy hell! I'm going to need a Detroit in this truck very soon.

The best part is that this is the smallest tune I have, which is the Spartan v4 275. I do have other mods that make the 275 act a little bigger than normal, but still, the 310/345/350 are just going to be nutty!
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Old 05-12-2010, 07:40 AM
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Sweet man!
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Old 05-12-2010, 08:30 AM
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That's cool. So you are only running the 275 in it right now? When are you gonna try out the 310?
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Old 05-12-2010, 09:01 AM
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Quote:
Originally Posted by BigKid View Post
That's cool. So you are only running the 275 in it right now? When are you gonna try out the 310?
I've heard things about Spartan's 310 needing to be tweaked in some ways to work with the new trans setup. I'm waiting for them to get back to me with those changes and the 350 tune.
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Old 05-12-2010, 06:29 PM
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so for the break in period are you just supposed to baby the trans?
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Old 05-12-2010, 06:47 PM
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Originally Posted by O2ShootTheJ View Post
so for the break in period are you just supposed to baby the trans?
Not sure. I'll be changing the fluid in a few hundred miles just for good measure.
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Old 05-12-2010, 07:01 PM
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sounds great man, congrats!!
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