I am new at this so please understand if my questions seem dumb. I am trying to install a 350 in my 1981 Malibu, replacing the old V6, and I am having trouble finding new block brackets to bolt to the clam shell motor mounts. I ordered the clam shell mounts from Summit Racing and they mount onto the frame just fine. The bracket that mounts to the block is what I can not seem to find new. The ones I purchased were to narrow to go over the clam shell and I can not seem to find any other brackets that will work. The clam shells are about 4 inches wide and the brackets that I purchased were only about 2 1/2 inches wide. Do I have the wrong clam shell mounts? If not does anyone know what the correct block brackets are and where I can buy them? Any help on this would be greatly appreciated. Part numbers would be great. Thank You
motor mount block brackets
- Thread starter 1981kc
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There isn't anything available new.
You just need the brackets off of any SBC powered G-body.
Keep an eye on the For Sale section or post in the Wanted section.
I bought a set off a member of this forum when I needed some for my most recent swap.
I posted in the Wanted section, and within 3 days, 5 people replied that had some to sell...
You just need the brackets off of any SBC powered G-body.
Keep an eye on the For Sale section or post in the Wanted section.
I bought a set off a member of this forum when I needed some for my most recent swap.
I posted in the Wanted section, and within 3 days, 5 people replied that had some to sell...
I believe you can still get the "bucket" mount from GM, like $40 each 
When I was looking for them, I placed a wanted ad on craigslist and somebody called and gave me a set of them. You have the correct frame mount. The summit block side motor mounts are made for the solid style frame mounts, that is why they are so narrow. Searching and waiting
What motor was in the Malibu :?:
When I was looking for them, I placed a wanted ad on craigslist and somebody called and gave me a set of them. You have the correct frame mount. The summit block side motor mounts are made for the solid style frame mounts, that is why they are so narrow. Searching and waiting
What motor was in the Malibu :?:
Thanks for the help. I think the original engine was a 292 V6. All I know for sure is it never seem to run right and had no power. I am putting in a 350 350 with a 700r4 transmission and a positraction rear end with 342 gears. The car only has 100,000 miles on it and has no frame rust. It came with buckett seats and a console. I have the guage package with the tach to put in as soon as the engine and transmission are done. I have had the car for 25 years and have just now decided to change the engine. I just joined this yesterday after I found the site looking on the internet for the motor mounts. Thanks again for the help.
Well, welcome to the forum 
These things can be a pain to find. If yo have the cash, just go get them from a GM dealership. You could also try a local salvage yard. I called a salvae yard, the day before I got my free set, and he only wanted $20 for a set :idea:
These things can be a pain to find. If yo have the cash, just go get them from a GM dealership. You could also try a local salvage yard. I called a salvae yard, the day before I got my free set, and he only wanted $20 for a set :idea:
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