Help mounting an LS1 to a stock crossmember - The 1947 - Present Chevrolet & GMC Truck Message Board Network

AustinBelair · 04-23-2015, 09:39 PM

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

**LockDoc** · 04-24-2015, 10:23 AM

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I'm pretty sure those are used for bolting to the '72 up clamshell type frame perches. I used the POR custom frame perches and those engine adapters and motor mounts bolted right to them.

LockDoc

AustinBelair · 04-24-2015, 10:50 PM

Got a link to the POR stuff? Never heard of them

**dayj1** · 04-25-2015, 12:29 AM

Quote:

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

**dayj1** · 04-25-2015, 12:30 AM

Quote:

Originally Posted by AustinBelair

Got a link to the POR stuff? Never heard of them

I think he meant POL as in

https://www.performanceonline.com/19...-Brackets-V-8/

04-23-2015, 09:39 PM	#1
AustinBelair Registered User Join Date: Apr 2005 Location: Austin, Texas Posts: 300	Help mounting an LS1 to a stock crossmember 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 __________________ My mother is a recent cancer survivor and this truck build is for her

04-24-2015, 10:23 AM	#2
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,784	Re: Help mounting an LS1 to a stock crossmember - I'm pretty sure those are used for bolting to the '72 up clamshell type frame perches. I used the POR custom frame perches and those engine adapters and motor mounts bolted right to them. LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

04-24-2015, 10:50 PM	#3
AustinBelair Registered User Join Date: Apr 2005 Location: Austin, Texas Posts: 300	Re: Help mounting an LS1 to a stock crossmember Got a link to the POR stuff? Never heard of them __________________ My mother is a recent cancer survivor and this truck build is for her

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