Conversions & Swaps LSX Engines in Non-LSX Vehicles
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A body th400??

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Old Dec 21, 2012 | 03:51 PM
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Default A body th400??

why can't I seem to find anybody running turbo 400's in there A body swaps? Is there some reason I'm overlooking?

Thanks!
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Old Dec 21, 2012 | 04:49 PM
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Yes, most people doing swaps want to optimize fuel economy and are going with overdrives. If overdrive is not a concern, a TH400 will work fine. The hardcore drag guys go with them all the time.
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Old Dec 21, 2012 | 08:52 PM
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^ That. For a daily driver there isn't a compelling reason to stick with a 3 speed auto.
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Old Dec 22, 2012 | 06:13 AM
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Ditto chuckd71, get the most out of your engine with the later trans.
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Old Dec 22, 2012 | 09:43 AM
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Thanks for the replies guys. I just wanted to make sure I wasn't overlooking something. Makes sense trying to get best mileage. I have a fresh 400 that I will run unless I run across someone with a 4l60 or 80 that wants to trade.
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Old Dec 22, 2012 | 01:11 PM
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If drag racing the th400 would be much better. Cheaper to build, stronger, and not such a steep drop between 1st and second. If you ever want an overdrive, bolt up a gear vendor and be done. Pricey, but bulletproof
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Old Dec 22, 2012 | 05:26 PM
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I ran a th400 behind my lq4 for a year. now im going t56.
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Old Dec 23, 2012 | 08:04 PM
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Or you can use it now and upgrade later.
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