60'-66' guys with TH400s... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

nxtruck · 11-22-2015, 09:57 PM

Can anyone tell me how much trouble it is to get a TH400 with a trans shield to fit under a factory low hump floor in one of these trucks? I'm thinking about going from the TH350 that's currently there to a TH400, but I have to be able to put a shield on it, also. Can anyone give me any input on this? Thanks in advance!

BR3W CITY · 11-23-2015, 01:49 AM

Full hard shield, or just a diaper? I'm running an 80e which isn't radically different sizewise, and it looks like I could squeeze something in there. I'm sure it would depend on exactly how large the shield ends up being and how tightly it fights to the case.

nxtruck · 11-23-2015, 08:48 AM

Thanks for the reply.
I'm looking into using an aluminum shield, such as those made by TCI, Hughes, etc. I probably should have mentioned that my engine sits in the rear-most position, which puts the bell housing closer to the firewall.

71Dragtruck · 11-24-2015, 12:36 AM

Is a SFI case out of the budget?

Marv D · 11-24-2015, 12:45 PM

Shame you aren't closer Chris. I'm getting ready to sell the Hughes TH400 w/ ProTree brake, Cheeta air shifter Dedenbear RPM controller and put a stock 400 in mine.

As a FYI, it fits under the stock 4spd hump even with the motor pushed back so close to the firewall I have a he11 of a time getting short SBC rocker covers off,,, but ample room around the trans. Used to have a hard shield on it and don't remember any clearance issues at all. (lots of room under these monsters)

nxtruck · 11-24-2015, 05:00 PM

Quote:

Originally Posted by 71Dragtruck

Is a SFI case out of the budget?

Yeah, using an SFI case is pretty well out of my budget right now, as much as I'd like to.

nxtruck · 11-24-2015, 05:09 PM

Quote:

Originally Posted by Marv D

Shame you aren't closer Chris. I'm getting ready to sell the Hughes TH400 w/ ProTree brake, Cheeta air shifter Dedenbear RPM controller and put a stock 400 in mine.

As a FYI, it fits under the stock 4spd hump even with the motor pushed back so close to the firewall I have a he11 of a time getting short SBC rocker covers off,,, but ample room around the trans. Used to have a hard shield on it and don't remember any clearance issues at all. (lots of room under these monsters)

Marv,
I'm plannin' on building a manual shift 400 for mine, but I wouldn't think that you would have any trouble selling yours. When you say a stock 4spd hump, are you referring to the low hump floor? I've seen both, but the high hump floor pan seems to be a little more rare to these trucks. I know that my TH350 with a TCI shield actually just touches the floor pan on mine. I'm hoping that the 400 shield isn't any taller. If it is, I'll just have to massage things a little, I guess.

From the sounds of it, my engine sits as far back as ours does, as my valve covers are right up against the firewall, too. You're right; there seems to be a lot of room everywhere else under these trucks.

Marv D · 11-25-2015, 09:02 PM

I have no idea if it's a high or low hump. Can go take some pistures if you need>

Hey,, everyone have a safe

nxtruck · 11-25-2015, 11:38 PM

I appreciate your offer to take a pic, Marv. If it's not too much trouble, that would be great!!
Ya know, either way I'm gonna have to make it work. I feel that I'm at the limits of what the TH350 can handle, so I've pretty much made up my mind that a 400 will have to replace it.
Marv, Happy Thanksgiving to you, also, as well as everyone else!

11-22-2015, 09:57 PM	#1
nxtruck Registered User Join Date: Jun 2006 Location: Jackson, Mo. Posts: 607	60'-66' guys with TH400s... Can anyone tell me how much trouble it is to get a TH400 with a trans shield to fit under a factory low hump floor in one of these trucks? I'm thinking about going from the TH350 that's currently there to a TH400, but I have to be able to put a shield on it, also. Can anyone give me any input on this? Thanks in advance! __________________ Chris 1966 Chevy C10 LWB, 434 sbc, TH350, 12-bolt, factory suspension, pump gas 7.02 @ 95.8, 1.45 60' 1965 Chevy C10 LWB, 355 sbc, TH350, daily driver

11-23-2015, 01:49 AM	#2
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: 60'-66' guys with TH400s... Full hard shield, or just a diaper? I'm running an 80e which isn't radically different sizewise, and it looks like I could squeeze something in there. I'm sure it would depend on exactly how large the shield ends up being and how tightly it fights to the case. __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

11-23-2015, 08:48 AM	#3
nxtruck Registered User Join Date: Jun 2006 Location: Jackson, Mo. Posts: 607	Re: 60'-66' guys with TH400s... Thanks for the reply. I'm looking into using an aluminum shield, such as those made by TCI, Hughes, etc. I probably should have mentioned that my engine sits in the rear-most position, which puts the bell housing closer to the firewall. __________________ Chris 1966 Chevy C10 LWB, 434 sbc, TH350, 12-bolt, factory suspension, pump gas 7.02 @ 95.8, 1.45 60' 1965 Chevy C10 LWB, 355 sbc, TH350, daily driver

11-24-2015, 12:36 AM	#4
71Dragtruck Registered User Join Date: Jun 2004 Location: Saskatchewan, Canada Posts: 1,368	Re: 60'-66' guys with TH400s... Is a SFI case out of the budget? __________________ Speed is just a matter of money, question is how fast can you afford to go? 8.95@148.97mph all motor haven't tried bottle yet Sponsored by: Getz Oilfield Consulting Hard Candy Customs

11-24-2015, 12:45 PM	#5
Marv D Registered Truck Offender Join Date: May 2008 Location: hells training ground (aka Ariz) Posts: 3,118	Re: 60'-66' guys with TH400s... Shame you aren't closer Chris. I'm getting ready to sell the Hughes TH400 w/ ProTree brake, Cheeta air shifter Dedenbear RPM controller and put a stock 400 in mine. As a FYI, it fits under the stock 4spd hump even with the motor pushed back so close to the firewall I have a he11 of a time getting short SBC rocker covers off,,, but ample room around the trans. Used to have a hard shield on it and don't remember any clearance issues at all. (lots of room under these monsters) __________________ Still playin with trucks, even at my age! When you're dead, it's only a problem for the people around you, because you don't know you're dead. .....It's kinda the same when your STUPID. I just did my taxes and reviewed my SS statement. Thanks to the current administration it looks like I will only have to work till noon on the day of my funeral.

11-25-2015, 09:02 PM	#8
Marv D Registered Truck Offender Join Date: May 2008 Location: hells training ground (aka Ariz) Posts: 3,118	Re: 60'-66' guys with TH400s... I have no idea if it's a high or low hump. Can go take some pistures if you need> Hey,, everyone have a safe __________________ Still playin with trucks, even at my age! When you're dead, it's only a problem for the people around you, because you don't know you're dead. .....It's kinda the same when your STUPID. I just did my taxes and reviewed my SS statement. Thanks to the current administration it looks like I will only have to work till noon on the day of my funeral.

11-25-2015, 11:38 PM	#9
nxtruck Registered User Join Date: Jun 2006 Location: Jackson, Mo. Posts: 607	Re: 60'-66' guys with TH400s... I appreciate your offer to take a pic, Marv. If it's not too much trouble, that would be great!! Ya know, either way I'm gonna have to make it work. I feel that I'm at the limits of what the TH350 can handle, so I've pretty much made up my mind that a 400 will have to replace it. Marv, Happy Thanksgiving to you, also, as well as everyone else! __________________ Chris 1966 Chevy C10 LWB, 434 sbc, TH350, 12-bolt, factory suspension, pump gas 7.02 @ 95.8, 1.45 60' 1965 Chevy C10 LWB, 355 sbc, TH350, daily driver



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