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Building a TH400.. What's needed?

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Old Aug 29, 2009 | 02:56 PM
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Default Building a TH400.. What's needed?

Motor made 610/620 crank, and down the line may be sprayed with a 150 shot. Now onto the tranny..

Currently it is a "stock" TH400 with a 2500 converter in it. What parts should be upgraded? I've been told I need to put in a stronger sprag, a bigger convertor would gain a lot, and that it'd be awesome to add a T-Brake and RMVB

Any input? And if you know, how much are these things and would I be able to install them never seeing the inside of an automatic transmission before.

Thanks fellas, you guys always have good input.
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Old Aug 29, 2009 | 05:56 PM
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Hit up Greg at FTI. I love my TH400 and converter he built for me.
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Old Aug 29, 2009 | 05:57 PM
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Originally Posted by TurboAv
Hit up Greg at FTI. I love my TH400 and converter he built for me.
How expensive was it? The car is a street/strip car and I drive it 3-4 times a week currently
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Old Feb 4, 2010 | 05:37 AM
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One more question. Trans currently has a Holeshot converter.. about 1/4 the price of a good one.. How do I know if it's slipping too much or how much it's holding me back?
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Old Feb 4, 2010 | 08:57 AM
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All the stock hard parts should be good for that power. Just takes the right build.
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Old Feb 5, 2010 | 08:17 PM
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Camaro,
give me a shout at 1-866-726-8358 and we will go over everything that you would need according to your plans with the car and i will give you a quote.

thanks,
Greg
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