Help mounting an LS1 to a stock crossmember

[dayj1]

Originally Posted by AustinBelair

I'm giving my dad the LS1 out of my '56 Belair to put in this 66 SWB project we're building. I have to locate and buy some stock frame perches but I don't understand how to attach these mounts to the stock perches

These are the mounts and plates I have bolted to the motor now

You need this style of mounts mounts to bolt to the stock perches.

http://www.ebay.com/itm/Chevrolet-GM...f5ee9e&vxp=mtr