th 400 crossmember

hecx78malibu

Daily Driver
Aug 4, 2011
42
0
0
Whats up guys I have a question.. I bought a th400 crossmember for a 78 malibu from from jegs and it dosnt line up at all. Its for a 78 malibu dose any one know where I can get one that works just to bolt on or pics on how to custom the original one?? Plz help me out guys...
 

SSedan64

Dragway Regular
Oct 5, 2009
948
0
0
MACON, GA.
When installing a TH2004R or TH400 Trans in a 78-83 G-Body you need the Frame Extension Piece so the Crossmember will bolt up. Jegs also used to sell it but, I don't see it listed anymore. They should've mentioned it in there Xmember add.
http://www.maliburacing.com/transmission_swaps.html
http://www.summitracing.com/parts/SUM-770307/
http://www.maliburacing.com/iceman/

Pretty simple piece to Fab up.
 

SSedan64

Dragway Regular
Oct 5, 2009
948
0
0
MACON, GA.
Yes, Instructions >> http://static.summitracing.com/global/images/instructions/sum-770307.pdf
Only need one, on Drivers side.
 

buwagon78

Amateur Racer
Dec 28, 2010
109
0
0
New albany, Indiana
If you go to summits site they have the instuctions for the extension online. I did the same thing...bought the x member from jegs and the frame extension from summit because I couldn't find it at jegs...go figure. Easy install and works great!
 

hecx78malibu

Daily Driver
Thread starter
Aug 4, 2011
42
0
0
Thanks a lot guys... I have another question I'm putting a gen 5, 454 block in it I need a spin on oil adapter to make my oil filter straight down can i get any help on where i can find that adapter for my year motor 91 and up..
 

hecx78malibu

Daily Driver
Thread starter
Aug 4, 2011
42
0
0
Ok so i got the adapter now I have to put it together... I'll try to put some pics when I install it. Thanks again guys.
 

hecx78malibu

Daily Driver
Thread starter
Aug 4, 2011
42
0
0
SSedan64 I finally got the part and installed it. Thanks allot guys. Here are some pics.

CROSSADAPTER.jpg


CROSSMEMBER.jpg
 

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