SBC motor mounts not lineing up

[Chuckyj95]

We took a 350 SBC out of a 84 k10 and we are putting it in a 1986 C10 frame but the holes on the engine brace aren't even close to the mounts I took of the K10. This is not my wheel house and I am helping my son build this. Can I use the engine braces from the K10 or do I need to find different C10 engine braces.

 

[xm20k]

No idea what those frame perches are but they are not correct.

This is what the C10 perches should look like.

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[Chuckyj95]

So I guess my next question is can I use the ones off of the k10 doner truck.

 

[idahovette]

I don't know for sure but I'd give it a try. Look at what @xm20k posted, are they similar?

 

[xm20k]

So I guess my next question is can I use the ones off of the k10 doner truck.

Negative the 4x ones mount completely different in the frame.

Quick google could post here in the WTB section someone may have a set laying around.

https://www.ebay.com/itm/298633569683?_skw=chevy+truck+frame+mounts&itmmeta=01M44QH91S742X9XWCXQHJQSB4&hash=item4587f2a593:g:uoAAAeSwbp5qlfXg&itmprp=enc%3AAQALAAAA4GfYFPkwiKCW4ZNSs2u11xARlYiBSjbE3XGos%2Bu7DUaaENBu3pXHUFVBm%2FZM%2FsL7PJW9kSD%2Fco%2FKZ6VeeHw2ZVqAPBK6lNsD0ExXQawIClvT1xgX3D3KZaI1YCkwyGn83uS%2BrB6U2riCkpTF4otoxAyNDE1O9NZ7CvaB1y6iVLd1w5rcGDvxbhmPGCGNthAkbM36DJLMFsjrH5Ma06IOCkCLWkCHEiQO6vJgoLMt3BW5Ba%2FG%2Bz7QDdCimlygKsQGBFmkh1joRblUEeN1isYZTn7Z1lbFMV%2FqYS1hGp%2FmW4co%7Ctkp%3ABk9SR5yRxZehaA

 

[bucket]

I'm guessing the C10 was a 6 cyl rig?

 

[idahovette]

I don't know for sure but I'd give it a try. Look at what @xm20k posted, are they similar?

Well Sh!t.....WTF do I know

 

[Sad Sack]

We took a 350 SBC out of a 84 k10 and we are putting it in a 1986 C10 frame but the holes on the engine brace aren't even close to the mounts I took of the K10. This is not my wheel house and I am helping my son build this. Can I use the engine braces from the K10 or do I need to find different C10 engine braces.

As info: https://www.gmsquarebody.com/threads/4-bolt-motor-mount-pattern.49436/#post-1067941

 

[Strick]

If the 86 had a 4.3 then you'll need to change the stand & they are different on K trucks. The mounts are the same on SBC & BBC.

HS

 

[Chuckyj95]

Motor went in like a glove. Drilled new holes on the motor stands and 3 out of 4 holes on the transmission cross member lined up. Next step put a cab on

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