Does this look crooked to you???

[Auctioneerhere]

Use a tape measure. Center the trans between the frame rails. get it measured up correctly then snug it all in.

[Hybridcx]

Ok so I don't know what's up with this thing. I centered the trans rear output which involved having to slot the trans mount holes. I measured the front of the engine from crank to inside frame rail and it's out 1" towards the passenger side...

[Keith Seymore]

Originally Posted by Hybridcx

I measured the front of the engine from crank to inside frame rail and it's out 1" towards the passenger side...

Perfect.

As already mentioned, powertrains are offset to the passenger side to clear the steering gear and brake booster and to provide a bit more foot room for the driver.

K

[Auctioneerhere]

I had put a BBC in mine & I remember thinking the same thing. I also had my cab off & on so I double checked that measurement.

I put mine all together & it looked "right when it was all done.

[Auctioneerhere]

Are both your engine mount bells the same?

[mud.man.rj]

No big deal as mentioned being off to the pass side for clearance, long as it is sitting square for the driveshaft to run straight.

[blue 72 gmc 4x4]

The motor in my 55' was crooked, only because the PO had to have room for the headers. Motor is straight and headers are at the dump now!

[Katrina/10]

Originally Posted by blue 72 gmc 4x4

The motor in my 55' was crooked, only because the PO had to have room for the headers. Motor is straight and headers are at the dump now!

Wow, that really looks way off. How did they get bolts in the mounts?

[Hybridcx]

Oh ya and that one is going to opposite way that mine was going...

[geezer#99]

Originally Posted by Katrina/10

Wow, that really looks way off. How did they get bolts in the mounts?

Piece of cake!
Motor is front mounted! Not side mounted!

[67_C-30]

I just went out measured the engine location of my '68 C-10 with a cyl and a '70 C-20 with a 307 and they are both offset a little over a 1/2". Both of these trucks are original, unmolested trucks with factory mounts.

[Hybridcx]

Thank you very much. Thats all the info I needed I started installing the front clip this weekend.

Edit: Could I bother you to measure the trans output from inside frame rail to inside rail? I have centered mine but I had to slot the holes on my crossmember to do so... I am starting to think maybe I shouldnt have done that. Much appreciated.

[67_C-30]

Originally Posted by Hybridcx

Thank you very much. Thats all the info I needed I started installing the front clip this weekend.

Edit: Could I bother you to measure the trans output from inside frame rail to inside rail? I have centered mine but I had to slot the holes on my crossmember to do so... I am starting to think maybe I shouldnt have done that. Much appreciated.

Im just seeing this, but I will check it it out for you. It will probably be Saturday before I'll have a chance to do it though.

[Hybridcx]

Originally Posted by 67_C-30

Im just seeing this, but I will check it it out for you. It will probably be Saturday before I'll have a chance to do it though.

No problem. Thank you very much

[blue 72 gmc 4x4]

Originally Posted by Katrina/10

Wow, that really looks way off. How did they get bolts in the mounts?

Originally Posted by geezer#99

Piece of cake!
Motor is front mounted! Not side mounted!

Yep that's right! Although this isn't the original motor. Its a 283 that someone "tried" to put in there. The way they did this was to bolt some mounts on then get some steel plate and just weld the mounts to it. Was very very ugly.....Thought the motor was going to twist itself out when I started it, hence the chain keeping it from doing just that!

[67_C-30]

Originally Posted by Hybridcx

No problem. Thank you very much

I have a family engagement this morning, but I'll check it out for you later today.


At the end of the day, this discussion of the location of the engine/transmission is really not near as important as it seems, and it definitely nothing being off less than a inch. If it were that important, the suspension could never work. The driveshaft is constantly moving up and down when you're going down the road, and side to side alignment doesn't matter either. The old M37 Dodge Power Wagon military trucks had the rear diff offset to the same side as the front diff for off road use and the driveshaft ran totally totally angled from the transmission. U joints run fine in any position as long as they are not angled beyond their limits (too much lift, causing binding).