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TMS370 - 76/75 turbo - 4L80.. Need some advice please..

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Old 04-17-2014, 09:56 AM
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Default TMS370 - 76/75 turbo - 4L80.. Need some advice please..

Hey guys, like the title says, I just got my 370 shortblock from Thompson motorsports and I will be adding a set of 317's on top..
My question is, what rockers, springs, pushrods should I pick for my turbo build?? Also, is there anything I should do to the 317's before I put them on to make them improve performance?
I already have my "Stock48" cam, LS9 head gaskets, wather meth injection, so only minor stuff missing to have my truck running again..
Thanks in advance guys!
Old 04-17-2014, 10:11 AM
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Bryan Tooley double springs, stock rockers and pushrods will depend on cam size.
Old 04-17-2014, 10:45 AM
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How about lifters??
Old 04-17-2014, 11:05 AM
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for stock rockers, you'll want to do a trunion upgrade.
Old 04-19-2014, 05:51 PM
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From Brian Tooley too right??
Old 04-19-2014, 06:26 PM
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I haven't heard much about the ones he makes but considering how well the rest of his products do, that was enough for me to order a set...just haven't built the motor yet.

Lots of people use the Comp trunion kit as well, but there have been a few failures with them IIRC.
Old 04-20-2014, 08:46 PM
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I used the Comp trunion kit, easy to install and strong



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