Been a while! I just got a 460 and tranny for my truck but am wondering if I should use a cross member or a the brackets? Anyone had any expierence with this? I have read on it in the old topics but do not hear much about the bracket. Any help would be gggreeaatt!!

Thanks

 

I think it really depends on the amount of room you have under the engine for the cross member. I don't know what that looks like on your truck.

I see you have a 6 now.. what are your plans for the front end for the 460 weight?

Sam

 

The 1/2 ton as far as I know isn't sprung to take the Load of the 460, so you might wish to beef it up before you attempt to install it.

Well you didn't state where the mounting points are located on the 460 & crossmember always for the tranny.

 

The mounts are on each side in the middle, I test fitted the motor tonight, it fit well plenty of room, looks like someone had one in there before b/c there were marks on the frame where thepulley had rubbed, I went ahead and notched them out, I just wasn't sure about the crossmember b/c it would cover the oil pan. You don't think the stock front springs will take that weight?? Glad I didn't take any out!! I think I am going to go ahead and try the brackets and see how well they work. I'll let you know..
By the way the I6 crapped out on me so it met its resting place at the junk yard... I was kind going in the wrong direction for a min, had a 350 I was going to put in the truck, luckily I didn't even get started!!!! I would not have like it..

 

I like my 460 for sure. can't wait to get it restarted since the rebuild and paint.

Inching my way there.. gotta finish the electricals..

Sam

 

sam, how did you support the front end and how did you mount yours?? I found out my 460 is from a 71 lincoln, I think that is good?!? Been sanding the engine bay, coughing up black stuff, yuck! Forgot a mask.... Gonna get one today, thanks! S

 

Your 460 weighs is at about 720 lbs. If you had a 272 stock it weighed in at about 625. So there's about 100 lbs of difference. The cast intake manifold alone on the 460 weighs close to 100 lbs. So if you swap it with an aluminum manifold, your weights across the motor mounts are going to be pretty close.

But that's not where you problem lies - it's with torque and the application of power. That 460 will have quite a bit more torque and if you build it up at all (carb or cams etc) the torquing in the mounts will be even greater. Plus, if you change your gearing to cruise at a higher speed, that horsepower has to be absorbed somewhere while the engine and truck are spooling up to speed.

This is handled substatnially better at the mounts (less chance of breaking a mount) with a cross member type of set up. If you have the engine out, that is the time to box the frame. Be sure to go back all the way to the firewall.

One thinkg to watch out for though. When I dropped the new 390 in my truck with a "pipe type" cross member mount arrangement, it worked perfectly and absorbs the torque very well too. But one thing I didn't look at when we built it up and installed it was, the first time I went to change the oil, the cross member was sitting right across and close aboard the pan drain plug. I had to have the cross member cut and rewelded to get to the plug....what an idiot - giggle!

J!

 

I have the volare front end in my 55, and built customer mounts.. one of the early gallerys has some pics

Sam