55.2-59 Trans cover?????? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

MD2020 · 05-07-2020, 06:10 PM

My cab has a high hump tran. cover.
will a low hump (the FLAT looking one) fit in there and bolt holes line up.??
There is plenty of room for my motor and Trans. to fit.
Is that high hump for a 4 wheel drive Trans.?????
My Cab is a 4B cab, I think that is a 1-1/2 ton cab?
Thanks

MD2020 · 05-07-2020, 06:15 PM

It seems like most of the carpet kit's are for low hump??

Black_Sheep · 05-07-2020, 09:53 PM

In my 3100 the flat cover replaced the humped cover, no problem...

**mr48chev** · 05-08-2020, 12:19 PM

High hump was to clear the 4 speed if it has the hole in it for the shifter.

I'm not understanding the 4 B thing, can you explain on that?

Chevy or GMC?

The flat trans cover should bolt right in though.

MD2020 · 05-08-2020, 01:01 PM

I Can't find it right now but I ran accrose it before.
I THINK ?
On the vin. tag
2B is a 1/2 ton
3B is a 1 ton
4B is a 1-1/2 ton
I THINK all the cabs are the same but it was just the tag on the truck that was different?
Edit---- I found some info HERE
https://chevytrucks.org/1956-chevy-b...k-vin-decoder/
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT

_Ogre · 05-08-2020, 01:07 PM

as mr48 stated the high hump is for the 4 speed granny tranny
if you still have the motor in stock location a car 3 or 4 speed will fit with low cover
any modification will be hit or miss, truk has 700r4, i had to slightly modify the low cover

MD2020 · 05-08-2020, 03:15 PM

I have a custom frame and plenty of room under there.
I just wanted to know if it would bolt up to the original holes.

Thanks for the info, and I ordered the low hump (flat one).

mikebte · 05-10-2020, 01:18 PM

Yes, the flat will bolt up to the same holes. I removed mine with the hump and installed the flat. The new flat was fiberglass and not steel. Not sure a steel is offered.

Black_Sheep · 05-10-2020, 03:24 PM

Quote:

Originally Posted by mikebte

Yes, the flat will bolt up to the same holes. I removed mine with the hump and installed the flat. The new flat was fiberglass and not steel. Not sure a steel is offered.

I found both when looking for a replacement and opted for steel...

MD2020 · 05-10-2020, 01:22 PM

Thanks Mike

**Dan in Pasadena** · 05-12-2020, 02:06 AM

My truck HAD the flat cover. I have a 4l85e behind my LQ4 and it wouldn't fit unless I put the humped trans cover on it.

05-07-2020, 06:10 PM	#1
MD2020 Registered User Join Date: Sep 2018 Location: Batesville,MISSISSIPPI Posts: 312	Trans cover?????? My cab has a high hump tran. cover. will a low hump (the FLAT looking one) fit in there and bolt holes line up.?? There is plenty of room for my motor and Trans. to fit. Is that high hump for a 4 wheel drive Trans.????? My Cab is a 4B cab, I think that is a 1-1/2 ton cab? Thanks

05-07-2020, 06:15 PM	#2
MD2020 Registered User Join Date: Sep 2018 Location: Batesville,MISSISSIPPI Posts: 312	Re: Trans cover?????? It seems like most of the carpet kit's are for low hump??

05-07-2020, 09:53 PM	#3
Black_Sheep Registered User Join Date: Jun 2017 Location: upper midwest Posts: 1,129	Re: Trans cover?????? In my 3100 the flat cover replaced the humped cover, no problem... __________________ Mark Brother's keeper - '58 Stepside build

05-08-2020, 12:19 PM	#4
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,711	Re: Trans cover?????? High hump was to clear the 4 speed if it has the hole in it for the shifter. I'm not understanding the 4 B thing, can you explain on that? Chevy or GMC? The flat trans cover should bolt right in though. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

05-08-2020, 01:01 PM	#5
MD2020 Registered User Join Date: Sep 2018 Location: Batesville,MISSISSIPPI Posts: 312	Re: Trans cover?????? I Can't find it right now but I ran accrose it before. I THINK ? On the vin. tag 2B is a 1/2 ton 3B is a 1 ton 4B is a 1-1/2 ton I THINK all the cabs are the same but it was just the tag on the truck that was different? Edit---- I found some info HERE https://chevytrucks.org/1956-chevy-b...k-vin-decoder/ TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT Last edited by MD2020; 05-08-2020 at 07:58 PM.

05-08-2020, 01:07 PM	#6
_Ogre Registered User Join Date: Jan 2012 Location: Motown Posts: 7,680	Re: Trans cover?????? as mr48 stated the high hump is for the 4 speed granny tranny if you still have the motor in stock location a car 3 or 4 speed will fit with low cover any modification will be hit or miss, truk has 700r4, i had to slightly modify the low cover __________________ cool, an ogre smiley Ogre's 58 Truk build how to put your truck year and build thread into your signature shop air compressor timer

05-08-2020, 03:15 PM	#7
MD2020 Registered User Join Date: Sep 2018 Location: Batesville,MISSISSIPPI Posts: 312	Re: Trans cover?????? I have a custom frame and plenty of room under there. I just wanted to know if it would bolt up to the original holes. Thanks for the info, and I ordered the low hump (flat one).

05-10-2020, 01:18 PM	#8
mikebte Registered User Join Date: Oct 2011 Location: Tucson, AZ Posts: 639	Re: Trans cover?????? Yes, the flat will bolt up to the same holes. I removed mine with the hump and installed the flat. The new flat was fiberglass and not steel. Not sure a steel is offered. __________________ 1959 Chevy Apache 3100/ 283 TBI / 4L60E My YouTube: https://www.youtube.com/mikebtte

05-10-2020, 01:22 PM	#10
MD2020 Registered User Join Date: Sep 2018 Location: Batesville,MISSISSIPPI Posts: 312	Re: Trans cover?????? Thanks Mike

05-12-2020, 02:06 AM	#11
Dan in Pasadena Senior Member Join Date: Nov 2008 Location: Glendora, CA Posts: 6,344	Re: Trans cover?????? My truck HAD the flat cover. I have a 4l85e behind my LQ4 and it wouldn't fit unless I put the humped trans cover on it. __________________ '55 Big Window Shortbed, Drive-It-&-Work-On-It slid down the "slippery slope" to a Frame-Off Rodstoration! LQ4/4l85e/C4 IFS/Mustang 8.8 rearend w/3.73's Dan's '55 Big Window "Build" - Well, Kinda!



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