50 - 55 Olds cross member question

need some help
Is a 55 Olds cross member different then a 50 Olds?

i have a 50 Olds cross member in my 50 Olds coupe
put a 55 Olds 324 in the coupe is not going well

my thought is the slant pan is causing the cross member clearance problems


drop it in bolt it up turns out it's not that simple

 

i have some good pics of a 54 olds cross member if your interested maybe compare the two. if your interested let me know.

 

I think all are different,when I put a 59 371 and jetaway in a 53 I had to modify a 59 cross member to use in the 53.

 

the 50 Olds cross member


there an indentation on one side shown on the chair

this side is straight across

 

looks like the one i have. if you need any other views let me know.
mine is straight one side and indented on the other. my 56 olds also had the same cross member.

 

GOATROPER02 said the 55 Olds is different then the 50 Olds

50 to 53 are the same
54 to 56 are different then the 50

the 55 Olds slant pan is causing my clearance problem

 

did this swap 45 yrs ago and we used a 56 crossmember and had to take a little from frame x member to have clearance for the u-joint have fun Dennis

 

dug this up out of the Hollanders 23rd edition
they used a 54 Olds hydramatic & 54 Olds cross member in a 50 Olds 88

so my 55 Olds drive train will be getting a 55 Olds cross member

I Thanks ALL you Guys for the help
and the last post from DWBlietz about the 56 Olds cross member

so looks like i can get this handled with a trip to French Lake auto parts

 

Keep in mind, you need 55 rear motor mounts with that 55 trans. I am putting a 53 trans in my 55 right now, and I got screwed not having the right mounts. I am hoping that I don't have any issues with the crossmember. Good luck getting that in there.

 

Thanks for the heads up
i bought new 50 mounts (black) on Ebay and had 55 mounts ( green) on the Olds 324 motor
which didn't work
with the 50 cross member
when i get the 55 cross member i'm going to exchange the new 50 mounts for 55 mounts



black mounts are 1950 - green are 1955's off the Olds 324

with luck i'll hear that bolted in the 324 Rocket 88 running this coming year

when i checked mounts on Ebay 54 & 55 mounts were the same but not 53

one other thing they have compatible lists to check mounts to year of car
there different year groups to year groups that goes for front & rear mounts
you can check yours on the links below

the new mounts are very well made

2 Rear Motor Mounts 49 50 51 52 53 Oldsmobile NEW
http://www.ebay.com/itm/2-Rear-Moto...Year:1953|Make:Oldsmobile&hash=item484d6569fb


2 Rear Motor Mounts 54 55 56 Oldsmobile NEW PAIR
http://www.ebay.com/itm/310536089131?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

 

I finally got the cross member problem solved
read the note in Hollanders 26th edition
about installing a 54 Olds Hydramatic in a 50 Olds 88
they used 54 Olds cross member and rear mounts from a wrecking yard

I went to French Lake auto parts Friday got a 55 Olds cross member
used 55 Olds rear mounts and bolted everything together just like
the article said


when i lined up the 50 Olds & 55 Olds X member
side by side the mounting angle looked different


the rear mount compatible chart listed

49 to 53 Olds are the same

54 to 56 Olds are the same

so that must go for the cross members being the same

49 to 53 cross member

54 to 56 cross member

anyway glad that's over with

 

I have a 55 slant pan in Wastedchildhood. I had to drill 2 new holes and move it forward. You also need a 54-55 yoke.

 

Thanks for the info
I like Wastedchildhood cool looking Olds

drilling holes - are you talking about toward the front of the car?

my 55 Hydramatic came with a 55 yoke so that was a plus

other then the yoke
what did you do to the driveshaft ? any cutting ?

my 50 Olds came with the stock driveshaft

when i went to the yard Friday there were some 55 Olds driveshafts
available if that's a quick option

 

Yes to the front.Support motor under the oil pan. Install bellhousing motor mounts and cross member. The rear hole in crossmember should line up with a hole in the frame.Get a compete 55 drive shaft.This will give you the big U joint in the rear. Get rear yoke from a 56 Pontiac and your bullet proof.

 

Cool Thanks

I have a complete 55 Olds drivetrain crossmember
front & rear motor mount

I can get the 55 Olds driveshaft & 56 Pontiac yoke at the yard
Thanks again Great information

 

Hey,
Just ran into that same issue. The '50 Olds rear crossmember won't let the rear rubber mounts sit right. Anybody have a '54 - '55 Olds rear crossmember they'll sell. Need it ASAP.

Thanks MAGOOZ
206-763-2438
EMAIL= kmccand865@aol.com

 

Talked with Rob in Wa. and he turned us on to a friend back in the mid west, but we found one yesterday morning in upper Calif. for a reasonable price. Thanks for your help. You H.A.M.Bers are great! MAGOOZ

 

Any time, that must of been Skip at Flap

Rob knows his Olds
he said your going to look for a 54-55 X member
for your car

keep me in the loop on that - i have a 54 X now & new 55 rear mounts
and a very cold garage i'll wait till it gets warmer