motor mounts - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rodstored-72 · 09-30-2005, 11:16 AM

all,
i am in the process installing my engine. i bought mounts from autozone (i know they are cheap) anyways i tried to put the bolt in the middle that goes to the frame, the bolt threads all the way in, but the bolt feels loose inside the mount itself even threaded all the way down

is this normal?? i was wondering if anyone can tell me how their engine mounting went & give me some insight on how exactly how the bolt goes into the mount and then to the frame mount??

thanks for the responses!!!

Tx Firefighter · 09-30-2005, 09:44 PM

Some of the cheaper mounts use different size bolts. I once bought two matching brand new in the box, exact same part, exact same brand number mounts at the parts store, and they used two different size bolts. One was 3/8 bolt and the other 7/16.

**pjmoreland** · 09-30-2005, 11:02 PM

I bought a motor mount from Autozone about a year ago. For some strange reason it had a metric thread in it. I think it was an M8.

**kwmech** · 09-30-2005, 11:17 PM

I got some about a year ago ---made in taiwan, had metric centers 10mm. I took them back. I got a trans mount that also had metric holes in it.

Old Yeller 1970 · 10-01-2005, 09:13 AM

My mounts had a metric thread also. I took my Tap/Die set and rethreaded it for SAE threads and put a locknut on it just to be safe.

TEXAS 68 · 10-01-2005, 11:19 AM

The ones I just bought from Oreilly had metric threads also

09-30-2005, 11:16 AM	#1
rodstored-72 chevy truck fan Join Date: Mar 2005 Location: Gilbert, arizona 85298 Posts: 1,985	motor mounts all, i am in the process installing my engine. i bought mounts from autozone (i know they are cheap) anyways i tried to put the bolt in the middle that goes to the frame, the bolt threads all the way in, but the bolt feels loose inside the mount itself even threaded all the way down is this normal?? i was wondering if anyone can tell me how their engine mounting went & give me some insight on how exactly how the bolt goes into the mount and then to the frame mount?? thanks for the responses!!!

09-30-2005, 09:44 PM	#2
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Some of the cheaper mounts use different size bolts. I once bought two matching brand new in the box, exact same part, exact same brand number mounts at the parts store, and they used two different size bolts. One was 3/8 bolt and the other 7/16. __________________ I'm on the Instagram- @Gearhead_Kevin

10-01-2005, 09:13 AM	#5
Old Yeller 1970 DON'T TREAD ON ME Join Date: May 2005 Location: Crosby County, TX Posts: 989	My mounts had a metric thread also. I took my Tap/Die set and rethreaded it for SAE threads and put a locknut on it just to be safe. __________________ Old Yeller

10-01-2005, 11:19 AM	#6
TEXAS 68 Vortec in the works Join Date: Nov 2003 Location: Spring,Texas Posts: 735	The ones I just bought from Oreilly had metric threads also __________________ 68? It's all figured out untill you get it apart. Is it Sunday yet??? 68 Project 68 SWB frame off/98 Vortec with stock FI/power everything. 95 ECLB 2500 with 346,000 on the clock(the original HD) 99 Lesabre-wifes ride 08 Crew Cab LTZ-All Mine 89 SWB 5/7 drop-Son's first ride.

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09-30-2005, 11:02 PM	#3
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 5,426	I bought a motor mount from Autozone about a year ago. For some strange reason it had a metric thread in it. I think it was an M8.

09-30-2005, 11:17 PM	#4
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,501	I got some about a year ago ---made in taiwan, had metric centers 10mm. I took them back. I got a trans mount that also had metric holes in it.



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