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Technical Engine mount help SBC

Discussion in 'Traditional Hot Rods' started by free07110, Nov 27, 2020.

  1. free07110
    Joined: Apr 12, 2006
    Posts: 56

    free07110
    Member

    Building a 32 roadster and had a issue with clearance at SBC water pump and cooling fan up front. Frame is painted now. Rather then cut the frame and move mounts back, I had brackets cut to offset the engine mounts back 1”. Had covers made to hide brackets. Im fine running it as is because no one will see the brackets but curious if anyone has a better solution. I don’t want to run solid brackets with no cushion/insulation. Any input is welcome.
     

    Attached Files:

  2. DDDenny
    Joined: Feb 6, 2015
    Posts: 19,243

    DDDenny
    Member
    from oregon

    These have become the common style mount for clearance related issues, two simple tabs on the frame rail, the paint touch up would seem minimal to me.
    Yes, they are urethane bushed.

    20161106_120810.jpg
     
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  3. free07110
    Joined: Apr 12, 2006
    Posts: 56

    free07110
    Member

    I looked at making something like that but current frame setup would require fab/paint work. Wonder if I could fab something with bushings on both sides of the current frame mounts...
     
  4. Mr48chev
    Joined: Dec 28, 2007
    Posts: 33,948

    Mr48chev
    ALLIANCE MEMBER

    No free lunch in this deal, Either you bite the bullet and do it right or you end up with a cobbled up mess because you don't want to do a bit of fab and paint work.
     
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  5. free07110
    Joined: Apr 12, 2006
    Posts: 56

    free07110
    Member

    I’m not against doing it, just trying to think outside of the box for a easier mount solution. Seen several offset mounts online but lots are for different engines or solid mount with no bushing/insulation.
     
  6. indyjps
    Joined: Feb 21, 2007
    Posts: 5,377

    indyjps
    Member

    The mounts on your frame would need to have the bushing in the tube with the way its layed out now. Stay solid mointed or Make the cut and change it as needed, Black paint will blend.
     
  7. Johnny Gee
    Joined: Dec 3, 2009
    Posts: 12,666

    Johnny Gee
    Member
    from Downey, Ca

    Which SBC water pump is giving you this issue?
     
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  8. Looks pretty simple,and clean to me.With the exhaust so close I doubt any one will see it. Ive seen much worse in home built engine mounts.......plumbing pipe is always a nice touch. You must have trimmed the lower firewall to get one more inch of set back.Mine is stock,and its right to it.
     
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  9. continentaljohn
    Joined: Jul 24, 2002
    Posts: 5,536

    continentaljohn
    Member

    Fabrication of a new engine mount would be the easiest. Putting a 289 302 ford in a 32 you have to use offset motor mounts.
     
  10. Happydaze
    Joined: Aug 21, 2009
    Posts: 1,932

    Happydaze
    ALLIANCE MEMBER

    What you've done looks fine to me too and as has already been said it'll be hidden away anyway. One thing that concerns me is that the engine will be raised up ever so slightly as the rubber mounts are spaced off the block by the thickness of the adapters - this assumes the originals are set up correctly ie the flat part of the mount sits on the pad on the tube - the bolts serving merely to prevent the engine jumping off the mounts. Because the engine effectively sit in a V shape this extra dimension will be slightly exaggerated and if clearances are tight, eg distributor, you might have created another problem. But it'll probably be fine. I can't imagine an alternative solution that doesn't involve paint!

    Edit - looking at the second pic it looks as if the mount is lower on the adapter than it would be were it mounted directly to the block. So the engine is already higher than it would be ordinarily. I assume this is intentional and a factored in to your mockup.

    Chris
     
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  11. BamaMav
    Joined: Jun 19, 2011
    Posts: 6,744

    BamaMav
    Member
    from Berry, AL

    Another good reason to fit everything BEFORE you paint it!

    I don't see any problem with your mounts. The hack that mounted the SBC in my Lincoln had it mounted solid, no rubber, by only one tab end of the mount to clear the steering box. It wasn't pretty, they had taken a torch and cut away the back tab and side of the engine mount, but it was holding good when I took it out. At least yours is supported on both sides of the mount.

    I'd paint them black and they will disappear under the exhaust, doubt anybody will ever notice.
     
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  12. ekimneirbo
    Joined: Apr 29, 2017
    Posts: 4,273

    ekimneirbo

    You might be able to take the mounts where they bolt to the engine block and slot them, or maybe add some short extended ears and then slot them. Probably wouldn't be noticeable when done. The later model unmentionable Chevy engine conversions have plates that bolt to the block and the mount bolts to the plate. The plates can be flipped to allow a forward or rearward mounting position. If you modify your existing mount by adding tabs to it, don't weld them all at once and put too much heat into the rubber. Might have to use Allen Head bolts. ;)
     
  13. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,695

    56sedandelivery
    Member Emeritus

    I'm sure you've all seen the LS conversion style mounts (usually for more OT vehicles), with a L-O-N-G plate added, and that's basically what you've done here. If it works, it works. I've seen a whole lot worse things done. And I agree with not hacking up what you've already done, and substitute a simple modification for the engine mounting. Even the forward by 1/2", 2", 2-1/2" Tri-Five Chevrolet mounts are done with just a simple "re-placement" of the through-bolt shaft, and then later on that BBC gets replaced with an LS, and the long plates. If it works, it works. Have the plates chromed, and everyone will want them. I am Butch/56sedandelivery.
     
  14. 1934coupe
    Joined: Feb 22, 2007
    Posts: 5,063

    1934coupe
    Member

    I would try what you have already done. It looks like it will work fine.

    Pat
     
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  15. krylon32
    Joined: Jan 29, 2006
    Posts: 9,449

    krylon32
    ALLIANCE MEMBER
    from Nebraska
    1. Central Nebraska H.A.M.B.

    I've done a few chassis and I think the mounts you built will look just fine when they're painted block color. What you did is no different than what's being fabricated to mount an LS motor using the stock style rubber side mounts.
     
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  16. goldmountain
    Joined: Jun 12, 2016
    Posts: 4,470

    goldmountain

    Scan-201128-0001.jpg Take a look at this mount. I'm referring to the rubber and steel piece bolted to the block. Notice that it is meant to attach to the frame with a single bolt from the bottom. You could make a steel adapter somewhat like the one that Pete & Jake made way back when but configured to go back instead of up.
     

    Attached Files:

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  17. free07110
    Joined: Apr 12, 2006
    Posts: 56

    free07110
    Member

    Interesting. Would like to know more about these mounts. Haven’t seen a mount with a bolt thru the middle to hold a bracket. I’m assuming they just drilled it and attached the bracket?
     
  18. drptop70ss
    Joined: May 31, 2010
    Posts: 1,201

    drptop70ss
    Member
    from NY

  19. free07110
    Joined: Apr 12, 2006
    Posts: 56

    free07110
    Member

    Yea just searched and found some, didn’t know older mounts came with a bolt hole thru the middle. Would of saved a lot of time getting brackets fab to move back. Now I could just make a bracket and offset a 1” and would give a cleaner look then my current setup.
     
  20. My eyes are not as good as they used to be but it looks to me like you are running Camaro style mounts with brackets to offset them. Is that the case? if it is you still have an insulator, right?
     
  21. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,214

    mgtstumpy
    Member

    Shimming the mounts like that actually spreads the centre to centre distance between the engine mounting holes, albeit slightly offset each side. Chances are that the engine mounts won't fit too well on the original mounts.
    Personally I'd bite the bullet, cut them off and reposition in the correct position before rewelding them to the frame.
     

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