Suncoast "Line Mod Valve" - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 25 (permalink) Old 08-24-2009, 04:33 AM Thread Starter
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Suncoast "Line Mod Valve"

Since I am going to be building my transmission I was looking through suncoast's parts. They have 3 different line mod valves. The .427, .500, and .670. The .670 says for "serious HP only" so my question is can it hurt anything if I use this valve? I don't care if it shifts hard, but if it gives it too much pressure or fluid and can hurt things I won't do it.

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post #2 of 25 (permalink) Old 08-24-2009, 07:46 AM
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Re: Suncoast "Line Mod Valve"

I recently had my trans redone all suncoast parts and went with the .500 valve. It will shift Super fast and hard!! Even while driving normal with only a mildly modded motor. Cant imagine with 600+hp... can't wait I love mine! If its built right go for it, it can't hurt it. I think the .670 would be a tad to harsh though. .500's shifts plenty hard, just my .02

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post #3 of 25 (permalink) Old 08-24-2009, 08:00 AM
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Re: Suncoast "Line Mod Valve"

mine has the 427, pretty decent underpower. i would almost worry about breaking stuff it is shifted any harder

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post #4 of 25 (permalink) Old 08-24-2009, 08:34 AM
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Re: Suncoast "Line Mod Valve"

If it shifts to hard, you could turn down the shift pressure on your SCT.

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post #5 of 25 (permalink) Old 08-24-2009, 11:02 AM
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Re: Suncoast "Line Mod Valve"

The .670 will shift HARD. If the rest of your trans is built you will have abrupt shifts. With lots of power back tires will break loose when it goes to 3rd gear.


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post #6 of 25 (permalink) Old 08-24-2009, 03:25 PM
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Re: Suncoast "Line Mod Valve"

Quote:
Originally Posted by FordCowboy View Post
Since I am going to be building my transmission I was looking through suncoast's parts. They have 3 different line mod valves. The .427, .500, and .670. The .670 says for "serious HP only" so my question is can it hurt anything if I use this valve? I don't care if it shifts hard, but if it gives it too much pressure or fluid and can hurt things I won't do it.
I have used all the above mentioned valves and went back to the .427.
You can break every hard part with a .427 if you want too.
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post #7 of 25 (permalink) Old 08-24-2009, 03:40 PM
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Re: Suncoast "Line Mod Valve"

Dave, didn't I get a .500? Or was it the smaller one?? What valves do you usually send?
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post #8 of 25 (permalink) Old 08-24-2009, 04:37 PM
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Re: Suncoast "Line Mod Valve"

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Dave, didn't I get a .500? Or was it the smaller one?? What valves do you usually send?
.427
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post #9 of 25 (permalink) Old 08-24-2009, 04:38 PM
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Re: Suncoast "Line Mod Valve"

OK. Well. It hits NICELY. But not so hard it scares me... I like it a lot!!
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post #10 of 25 (permalink) Old 08-24-2009, 05:46 PM
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Re: Suncoast "Line Mod Valve"

what size does the tugger kits come with?

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