NP205 torque mounts - The 1947 - Present Chevrolet & GMC Truck Message Board Network

70gmcjimmy · 03-16-2016, 08:39 PM

Hi K5 folks, it's been a long time coming but I'm getting a bit of momentum going on at least putting our '70 Jimmy back on the road. It will still be a work in progress too, but driving it again is still most important.

Last weekend I finished a pretty thorough rebuild of the transfer case and the newer style TH350 adapter I got from Turp McSpray a couple of years ago.

Anyway I have the new rubber crossmember mounts but have been hitting dead ends trying to find rubber torque mounts. There are neoprene ones that don't cost much and are common.

Anyone know where to get rubber ones or would it be ok to mix the two types and just order a set of neoprene ones?

Here's a couple pics of the fresh 205, please ignore the date stamp in the pics, my camera was off by a year and didn't notice it until after I downloaded them.

Any input will be appreciated.

DAC

**jaros44sr** · 03-16-2016, 09:08 PM

I've got a set of neoprene if you want them

70gmcjimmy · 03-16-2016, 09:32 PM

Quote:

Originally Posted by jaros44sr

I've got a set of neoprene if you want them

Thank-you Jim, I'll send a PM. I can't come up with a reason why the neoprene torque mounts would not be compatable with the rubber mounts, just didn't know.

DAC

**jaros44sr** · 03-16-2016, 11:27 PM

Quote:

Originally Posted by 70gmcjimmy

Thank-you Jim, I'll send a PM. I can't come up with a reason why the neoprene torque mounts would not be compatable with the rubber mounts, just didn't know.

DAC

Just give a little time, as the next 5 days are booked, I'm guessing they'll fit in a 5.00 flat box

AJs72K5 · 03-16-2016, 11:56 PM

Careful mixing and matching. It'll cause different flex points and stress. Same goes for your motor mounts and tranny mounts. Motor and tranny should be all rubber or all poly, but not mixed.

hemi43 · 03-17-2016, 09:53 AM

When you say "neoprene", I assume you mean "polyurethane". If you use polyurethane mounts on the transfer case torque arm it won't cause any problems if you have rubber mounts everywhere else. All it's going to do is reduce the amount twist in the engine/transmission under heavy load.

**jaros44sr** · 03-17-2016, 10:34 AM

Quote:

Originally Posted by hemi43

When you say "neoprene", I assume you mean "polyurethane". If you use polyurethane mounts on the transfer case torque arm it won't cause any problems if you have rubber mounts everywhere else. All it's going to do is reduce the amount twist in the engine/transmission under heavy load.

My bad, you're right, neoprene was stuck in my mind because I just returned from a fishing trip....10 degrees

70gmcjimmy · 03-17-2016, 07:48 PM

Quote:

Originally Posted by jaros44sr

Just give a little time, as the next 5 days are booked, I'm guessing they'll fit in a 5.00 flat box

Thanks, no problem. I have to do some cleaning under there and some paint before I can install the transfer case and transmission.

Quote:

Originally Posted by AJs72K5

Careful mixing and matching. It'll cause different flex points and stress. Same goes for your motor mounts and tranny mounts. Motor and tranny should be all rubber or all poly, but not mixed.

The engine and transfer case (tranny too) lower mounts are all new rubber ones. I would use rubber torque mounts but have had no luck finding them so since this truck isn't going to be high horsepower or ridden hard on trails maybe it will be OK. It definitely is going to get driven a lot and ride trails though.

Quote:

Originally Posted by hemi43

When you say "neoprene", I assume you mean "polyurethane". If you use polyurethane mounts on the transfer case torque arm it won't cause any problems if you have rubber mounts everywhere else. All it's going to do is reduce the amount twist in the engine/transmission under heavy load.

Quote:

Originally Posted by jaros44sr

My bad, you're right, neoprene was stuck in my mind because I just returned from a fishing trip....10 degrees

That was actually my bad Jim and Hemi43 as I mis-informed in my first post "neoprene"! Sorry about that guys! Oldtimers disease again on my part.

Thank-you all for the help and advice.

DAC

hemi43 · 03-17-2016, 11:49 PM

For what it's worth, I'm running rubber motor and transmission mounts and polyurethane on the torque arm.

70gmcjimmy · 03-18-2016, 07:54 PM

Quote:

Originally Posted by hemi43

For what it's worth, I'm running rubber motor and transmission mounts and polyurethane on the torque arm.

I appreciate that! It boosts the confidence way up knowing that your beautiful truck has the same mounts!

Thanks---DAC

**jaros44sr** · 03-18-2016, 08:54 PM

X2, I feel better offering them to you

03-16-2016, 08:39 PM	#1
70gmcjimmy GMCDAC Join Date: Apr 2006 Location: Rapid City, SD Posts: 837	NP205 torque mounts Hi K5 folks, it's been a long time coming but I'm getting a bit of momentum going on at least putting our '70 Jimmy back on the road. It will still be a work in progress too, but driving it again is still most important. Last weekend I finished a pretty thorough rebuild of the transfer case and the newer style TH350 adapter I got from Turp McSpray a couple of years ago. Anyway I have the new rubber crossmember mounts but have been hitting dead ends trying to find rubber torque mounts. There are neoprene ones that don't cost much and are common. Anyone know where to get rubber ones or would it be ok to mix the two types and just order a set of neoprene ones? Here's a couple pics of the fresh 205, please ignore the date stamp in the pics, my camera was off by a year and didn't notice it until after I downloaded them. Any input will be appreciated. DAC Attached Images __________________ 1970 GMC K5 Jimmy Custom 4X4 Mom's driver from 1971 to 2001!! Under rebuild! 1972 GMC C2500 Pickup owned since 1979 Needs a rest and refurbish! 1955 GMC 100 2nd design driven almost daily! Rest In Peace Mom. "Dolly" 7/15/23 - 5/18/09 GMC driver for 30 years!

03-16-2016, 09:08 PM	#2
jaros44sr Senior Member Join Date: May 2006 Location: Philadelphia, Pa. 19454 Posts: 9,762	Re: NP205 torque mounts I've got a set of neoprene if you want them __________________ Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim

03-16-2016, 11:56 PM	#5
AJs72K5 Registered User Join Date: Nov 2007 Location: South Tx Posts: 1,083	Re: NP205 torque mounts Careful mixing and matching. It'll cause different flex points and stress. Same goes for your motor mounts and tranny mounts. Motor and tranny should be all rubber or all poly, but not mixed. __________________ - AJ Gray Matter Build - 1972 K5 with some stuff

03-17-2016, 09:53 AM	#6
hemi43 Registered User Join Date: Mar 2015 Location: Ontario Canada Posts: 1,526	Re: NP205 torque mounts When you say "neoprene", I assume you mean "polyurethane". If you use polyurethane mounts on the transfer case torque arm it won't cause any problems if you have rubber mounts everywhere else. All it's going to do is reduce the amount twist in the engine/transmission under heavy load.

03-17-2016, 11:49 PM	#9
hemi43 Registered User Join Date: Mar 2015 Location: Ontario Canada Posts: 1,526	Re: NP205 torque mounts For what it's worth, I'm running rubber motor and transmission mounts and polyurethane on the torque arm.

03-18-2016, 08:54 PM	#11
jaros44sr Senior Member Join Date: May 2006 Location: Philadelphia, Pa. 19454 Posts: 9,762	Re: NP205 torque mounts X2, I feel better offering them to you __________________ Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim



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