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RE: Anchor motor mounts

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Old 10-28-2012 | 12:00 PM
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Default RE: Anchor motor mounts

Hey Guys, i have anchor motor mounts part #2698 that i bought from rock auto last year, i like to install them on my 1982 U.S. model, my original motor mounts are completly gone. my question is do i have to modify the cross members to instal or will they fit easily. Thanks in advance. Ed.
Old 10-28-2012 | 09:14 PM
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Why not just buy the correct motor mounts and let them last another 30 years? Those Anchor mounts may go bad and last less than a month or they may last 6-7 years. Do you really want to replace motor mounts again in 6-7 years?
Old 10-28-2012 | 10:19 PM
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Search for collapsing motor mounts.

Then buy a set of the Volvo mounts from Roger.
Old 10-28-2012 | 10:25 PM
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Originally Posted by georges 928S
Hey Guys, i have anchor motor mounts part #2698 that i bought from rock auto last year, i like to install them on my 1982 U.S. model, my original motor mounts are completly gone. my question is do i have to modify the cross members to instal or will they fit easily. Thanks in advance. Ed.
George - since 82 is the last year of the original style motormount, you may have to modify the cross-member. As per Roger Tyson's post a while ago though, some of the 82s apparently have an adaptable cross member. Sounds like they switched over sometime in the middle of the production run. I think you will have to check yours to see.
Old 10-28-2012 | 10:41 PM
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Originally Posted by worf928
Then buy a set of the Volvo mounts from Roger.
Its a tough call really - at $229 each for Porsche mounts, versus two volvo ones for circa $100 (I can't recall exactly what I paid for the Volvo ones).

The problem IMO with the volvo ones is they sit very high, and also appear to be a little too floppy (based on comparing them with other local 928's with a mix of solid rubber Anchor mounts, and stock (replaced) Porsche mounts. The floppiness may be because of weight differences between the Volvo V6 and 928's V8 - I haven't looked into it much, as I don't fancy removing them just yet, but replacing the Volvo mounts with stock Porsche ones is something I'll get around to, possibly when I'm ready to do a steering rack rebuild.

My '87 has solid rubber anchor ones shimmed to the same height as new Porsche mounts - which I'd say is my preferred non-stock solution. However getting reliable solid rubber mounts may be an issue these days (I bought them a few years ago - obviously before I got the volvo ones for my '89)

Last edited by Hilton; 10-28-2012 at 11:05 PM.
Old 10-28-2012 | 10:50 PM
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I put the Anchors on my 86.5 earlier this year with no issues.
Mine were solid, not hydraulic, and wont collapse.
Old 10-29-2012 | 12:20 AM
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Originally Posted by thezonster
I put the Anchors on my 86.5 earlier this year with no issues.
Mine were solid, not hydraulic, and wont collapse.
As long as they actually "are" solid and not full of voids.

https://rennlist.com/forums/928-foru...intensive.html
Old 10-29-2012 | 06:38 AM
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I've had 4 sets of anchor mounts collapse. Not-so-solid solids.
Should have left the flat originals installed.

I've installed one set of Volvo V8 mounts about 18 months ago and they seem fine
Old 10-29-2012 | 09:10 AM
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Originally Posted by Hilton
Its a tough call really - at $229 each for Porsche mounts, versus two volvo ones for circa $100 (I can't recall exactly what I paid for the Volvo ones).
This might be one case where Aussie prices are less than 'murican prices. Last time I checked the OE mounts were $798 per set while the Volvo mounts were $98-ish.

The $700 difference is too big to ignore. If the OE mounts can indeed be had in the US for ~$460 now, then that's a different story.

The problem IMO with the volvo ones is they sit very high,
I agree. This is especially an issue on 16v engines and getting the supply fuel line correctly attached with enough slack for engine rock.
Old 10-29-2012 | 09:18 AM
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A quick check of one vendor shows the stock 92837504302 available for $209.

I did stock replacement on one 1980 and will likely do it on another.

There's the issue of the dampener shocks. Later cars didn't have them because the mounts were hydraulic and provided the dampening. Now people put in solid mounts which give no dampening. So a fair comparison is solid replacements in either case.

I wonder if anywone has put the shocks in when going to solid mounts from hydraulics for the 83+ design.

Last edited by GlenL; 10-29-2012 at 09:42 AM.
Old 10-29-2012 | 09:22 AM
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Glen - do the later cars have the mount points for the shocks? I am guessing that the 32vs in particular are not likely to have these?
Old 10-29-2012 | 09:46 AM
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Originally Posted by Ethre
Glen - do the later cars have the mount points for the shocks? I am guessing that the 32vs in particular are not likely to have these?
I think they do. Perhaps not across all years.

There's a bolt hole on the bracket/clamp for the rear of the lower A-arm and then a beefy tab that stick off the engine. The shock bolts to the arm clamp and there's a little bracket to connect the upper end of the shock to the block.

I recall seeing these on cars from '86 and '91. Might be wrong...
Old 10-29-2012 | 10:00 AM
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thezonster and Landseer, one of you needs to change your avatar as that too is confusing.

georges 928S, so you are planning to convert from old to new style?

GlenL, that number is for old style and I assume for just one where two are required?

Anyone know current price for new style Porsche hydraulic?

What year was change?

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Old 10-29-2012 | 10:02 AM
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Thanks for the pics, Denny. Shows the mounting of the shock.

Yes, $209 for 1. Umm... $418 for two!

I recall a guy who just used some good RTV and glued some separated old-style mounts back together. Like $10?

Last edited by GlenL; 10-29-2012 at 01:36 PM.
Old 10-29-2012 | 01:08 PM
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Denny - First year of new style is 83 I think.

Glen - Thanks for confirming. I was wondering if they left the mounts off the new blocks, but I suppose they had no reason to change the design.


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