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TH 400 swap

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Old 04-21-2008, 10:47 PM
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With the longer bolts, you dont need to weld the the spacer, it bolts to the flexplate/crank. You could just get an LS1/TH400 Torque converter with the spacer already on it.

BTW, went ahead and used a 6.0L flexplate with a spacer and a 6.0L starter. Truck started up on the first try today! Im excited!
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Old 04-22-2008, 06:22 PM
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Thats good to know! What brand convertor did you use?
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Old 04-22-2008, 07:43 PM
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Originally Posted by ghosbwt
Hey tyler hows it been goin? Thats what im doin to 400 reverse full manual valve body and the spacer thing he's talkin about is that the snout on the convertor is to short and you have to weld it on the convertor to ride in the crank.What heads you goin with? I've almost got mine done!!!Rearends all together, trans is built and gonna put motor together tomorrow or thursday. I'm using the Victor Jr intake also that thing is pretty impressive and will be cool with a plate bolted ontop. I'm pretty excited hope yours comes together nicely .Whats the new DD? Sorry bout the book!!!
ive gotten some ls6 heads im gonna mill and port..goin with a quite a bit bigger cam..looks like your project is going alot faster than mine..i gotta wedding to pay for here pretty soon so the truck is on the back burner..we gotta 05 chevy equinox awd..fun little car to drive...btw when i get my truck running again, if your wife still wants to drive it i might take her offer up on it.. hahaha
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Old 04-22-2008, 08:16 PM
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I have a TCI 4,000 stall
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Old 04-22-2008, 08:32 PM
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Originally Posted by Dirty 30
I have a TCI 4,000 stall
have you gone out and drivin yet? what gears you got? what rpm you expectin to turn at 70?
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Old 04-22-2008, 08:36 PM
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Originally Posted by dirt track racer 81
have you gone out and drivin yet? what gears you got? what rpm you expectin to turn at 70?
yeah i had the stall before i messed up my truck in Oct. I have the stock 3.42 rear end. Right now with the stock 16" rims and tires, im doing about 70-75 MPH @ 3,000 RPM. Its not bad at all.
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Old 04-23-2008, 07:20 PM
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Originally Posted by Dirty 30
yeah i had the stall before i messed up my truck in Oct. I have the stock 3.42 rear end. Right now with the stock 16" rims and tires, im doing about 70-75 MPH @ 3,000 RPM. Its not bad at all.
thats really not that bad for 70-75..but thats with 3.42s i got 4.10s..ill prolly see that at 60-65
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Old 04-23-2008, 08:54 PM
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I might be intersted in this swap too. Just wondering what gear ratios come with the th400s. Also I have 4.56s gearing, so I think cruising might be a problem for me.
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Old 04-23-2008, 09:15 PM
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Originally Posted by 1TRUESS
I might be intersted in this swap too. Just wondering what gear ratios come with the th400s. Also I have 4.56s gearing, so I think cruising might be a problem for me.
2.48 1st
1.48 2nd
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Old 04-23-2008, 09:20 PM
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Originally Posted by 1TRUESS
I might be intersted in this swap too. Just wondering what gear ratios come with the th400s. Also I have 4.56s gearing, so I think cruising might be a problem for me.
4.56 t56 4.56 th400....those are some pretty low gears
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