Motor Supports Help Request

Discussion in 'Technical' started by Rick Book, Apr 13, 2002.

  1. Rick Book

    Rick Book Member

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    Hey Guys,

    Until I get my digital camera working again (soon), I can only describe my situation.

    I was about to test fit a small block shell into my '70 Maverick when I ran across a motor mount problem.

    As the '70 model didn't come with a V8, I purchased '71 motor mounts thinking that was all I had to do.

    When I went to set the block onto the supports, I noticed the distance between the two motor mount holes (that attach to the block) were too narrow.

    The C/L to C/L distance between the holes on the block are approximately 13-1/4". The C/L to C/L distance between the motor mount holes (when bolted to frame) is approximately 11".

    Does anyone have pics of their V8 motor mounts attached to the motor support frames (with them on and off)?

    Or, it would be helpful if someone could tell me what other mounts were commonly used to swap a 6 to 8.

    It'd help me figure out what the last guy (who modified the engine bay for a SBF) used as motor mounts (model/year/other, etc).


    Thanks in advance,

    Rick
     

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  2. Earl Branham

    Earl Branham Certified Old Fart

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    Rich; I took a 6 out of my '96.5 and put a 302 in it, from a '74 Comet, and all I used was the frame mounts, motor mounts, frame support under the engine, and the trans mount. That was all that was required to bolt the engine in, clean. If the frame mounts were the right ones, the engine mounts are all the same for a Mav, so they should work fine. Also, they are the same, left and right. Good luck,
    Earl
     
  3. Inshan

    Inshan Member

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    Check out Charilie's site...

    I'm not too sure if I understand what you're saying Rick, but did you check out Charlie Ping's site : http://www.geocities.com/cping3/v8swap.html

    It sounds to me like you have the wrong motor mounts. I'm assuming you have the frame mounts for the swap (all-metal brackets), and you can't get the actual motor mounts (with the rubber) to fit the frame mounts? Is that right? It could be that you have 302 motor mounts but for another chassis/car. Anyway, I think the pics on Charlie's site should clear it up.
    Let us know how it goes,
    Inshan
     
  4. Rick Book

    Rick Book Member

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    Inshan,

    It's not the fit between the solid piece (p/n 6061 on Charlie's site) and the 'rubberized' (for lack of a better word) piece (the part is shown but doesn't have a p/n on Charlies site - but its the one in the pic above). Those two parts match nicely (bolt goes in easily on both left and right sides of car).

    It's just that when the two (or 4 total) are bolted together on both sides, the centerline to centerline distance between the left and right side holes in the 'rubberrized' part (which are supposed to align with the engine block threaded holes) is too narrow (again, approx 11" vs 13-1/4" as is on block centerline to centerline (left to right).

    I just read this post. Man, this is hard to discribe (I go take aspirin now).

    Thanks,

    Rick

    p.s. The above pic is an old one I got off my pc. The measuring tape is there just for scale - not to describe where the problem is, but that is one of the 'supports'
     
    Last edited: Apr 14, 2002
  5. EFIMAV

    EFIMAV Member

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    Rick, are you sure the metal mount (6061) is bolted to the frame correctly? There is a "front" and "back" to those things. Use Charlies picture to determine which way the metal frame stand is bolted in! It is hard to visualize what you are describing. The distance between the threaded motor mount bolt holes on the block I believe are the same for most 302s and I don't believe that distance is anywhere near 11 inches (look at your old pic on the post), however, newer blocks may not be the same. I'm not sure. Good luck
     
  6. Charlie

    Charlie maverick.to/grabber

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    All Blocks have the same mounting points. Sounds like you need to match up a mount since the previous owner obviously didn't use all Maverick stuff when he did the transplant. Or you can try to find some frame mounts.

    Attached the pic from my site, so you don't have to go back and forth (not that there is anything wrong with that ;) )
     

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  7. Rick Book

    Rick Book Member

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    Charlie,

    Thanks for your input. I've made your pages available off-line as they're generally very helpful. But then no one has my level of bad luck.

    It appears (from what I can tell), the previous owner moved the P/N 6061 (and numbered 6037 also?) from its intended location. For conversation sake, I’ll call it the ‘INTERMEDIATE’ mount.

    There are 3 holes located in the MAIN FRAME (of which the mounts rest on). I’ll refer to location of the holes as they relate to the clock. They are located at 12:00, 3:00, and 9:00.

    According to the illustration, only one bolt (PN 56350) attaches the INTERMEDIATE mount to the MAIN FRAME. This bolt is used in the 9:00 position.

    Since my last post, I have realized that the INTERMEDIATE mount has been move from upward (and outward) from the 9:00 bolting position to the 12:00 position.

    Holes designated as being located in the 3:00 and 9:00 position are NOT USED (on this application).

    Further, when the previous owner relocated the INTERMEDIATE mounts, he chose to both BOLT and WELD them in place. After examining the INTERMEDIATE mount closer, what I thought was previously a factory weld, turned out to be a non-factory weld.

    My dilemmas are as follows:


    1) Obviously the previous owner did not use the same motor or MOTOR MOUNT ASSEMBLY as is commonly used to perform the 6 to 8 cylinder swap. What could be the reason(s) for this?

    a. Moving the engine UPWARDS gave header exhaust or other clearance?
    b. Maybe it wasn’t a small block Ford after all. Possibly a SBC?

    2) It appears I will have to grind away the weld between INTERMEDIATE mount from the MAIN FRAME and move the INTERMEDIATE mounts back to their intended location.

    a. Tight proximity prevents me from accessing only the weld beads.
    b. A Sawzall and a side-grinder must be used to remove the INTERMEDIATE mounts from the MAIN FRAME. This will render the INTERMEDIATE mounts useless (as they will be destroyed during the removal).

    3) Is there really only one bolt (56350) retaining the INTERMEDIATE mount to the MAIN FRAME (as shown in the illustration)?
    a. When relocating them back to the INTENDED locations, do I use only one bolt or do I add another (instead of welding) because of the car’s application (strip use)?
    b. Why are there two different part numbers for the INTERMEDIATE mount (6061 and 6037)? Is there another option for this part I don't know about? Are there two parts that go in the assembly where the arrow is pointnig and can only see one of the parts?

    4) Here's the killer: If I relocate the INTERMEDIATE mounts to their intended location, (from 12:00 to 3:00 - or 'inward'), this would only make the distance between centerlines narrower (between Left and Right INTERMEDIATE mounts). I need the distance to be GREATER.

    Having stated all the scenarios, unless someone has any reason as to why I should not dis-join the INTERMEDIATE mounts from the MAIN FRAME in ‘holey’ separation and rejoin them back to the intended locations, speak now or forever hold your peace. ;)

    'Cause I'm about to duct-tape the Sawzall to my left hand, the grinder to my right , both triggers to the “ON” position, and go in like a pissed-off Rambo on steroids!


    If I don’t report back in 48 hours, send in my wife for reinforcement (she can kick Rambo’s ass with one frying pan tied behind her back!). :D
     
  8. Rick Book

    Rick Book Member

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    MOTOR MOUNT PIC

    Finally got the camera working.


    What's wrong with this pic?


    Rick
     

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  9. EFIMAV

    EFIMAV Member

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    Rick, I have seen a dozen V8 mavericks and none of them have frame stands like the one pictured. If you look at Charlies pic it looks nothing like what you have. The bolt hole that is visible in your pic (just below the frame stand in the frame itself) is the bottom bolt hole for the stock frame stand shown in Chalies pic. Judging from your pic it looks like the frame stand sits back and somewhat downward meaning the distance between the left and right frame stands is shorter than it should be. Is the back side welded on or bolted on? You could try to make those work but it may be easier to get stock frame stands and remove the current stands. Remember, the currrent frame stands move the engine back which is good for weight transfer but the tranny may not bolt to the crossmember without modification. Good luck.

    Rick, I looked at your first post again and now I understand what you were trying to tell us. When the rubber mounts are bolted to the motor the distance between bolt holes from one side to the other is 13 1/4 inches. When you bolt the rubber mounts to the frame stands it is 11 inches. This is because the frame stand sits to far down in the engine bay (on the frame rail) as I described above. I would guess that the stand is about one inch to low and assuming the other side is the same that would be the roughly two inch difference you are describing. Does this make sense to you?
     
    Last edited: Apr 17, 2002
  10. Craig Selvey

    Craig Selvey Indiana State Rep - MCCI

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    Those are definitely not Maverick V-8 frame mounts. It seems that the holes are present (in the picture) under those mounts that if you take these off...the factory V-8 frame mounts will bolt right on.
     
  11. Charlie

    Charlie maverick.to/grabber

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    Not sure what you have there Rick, but your best bet probably is to cut it off and go back to what you know works, the stock Maverick mounts (Especially if you can't get in touch with the previous owner). I think Maverick mounts will mount higher so you WILL have a wider centerline.
     
  12. Jerry

    Jerry Member

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    Since no one else has actually come right out and pointed this out, there are 2 bolts holding your intermediate mount to the frame rails not one as shown in the picture. There is only one holding the intermediate mount to the 'rubber mount' that bolts to the engine.

    Last I heard the part that you need is kind of hard to come by. I don't believe any parts stores carry them and most of the wrecking yard cars have had them removed already. The rubber mounts should be available several places but not the metal ones.
     
  13. Rick Book

    Rick Book Member

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    Thanks for all the input to help clear this up guys.

    Yes, both sides of the mount are welded to the frame.

    The previous owner can not be reached to figure out exactly what combination of components he used or why. There was probably a good reason for it - I just wish I knew what it was!

    I DO know (from another source) that there WAS a 289 in there before. But, as I understand it, the 289 has the same bolt pattern as 302 block. Still no reasoning.

    Anyway, I'll just get in there and see if I can remove the mounts without damaging the frames.

    Thanks again guys. I'll post with new pics later.

    Rick
     
  14. Inshan

    Inshan Member

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    I think those are mustang frame mounts!

    I had a pair like that before, that were for a 65-66 mustang, I'm pretty sure those are the same things you have there. THey definitely won't work with stock mounts.
     
  15. Charlie

    Charlie maverick.to/grabber

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    You need a friend at the parts store to let you look through his stock or motor mount catalog to find what you need then. If he had a 289 in there mounts exist to get your 302 in there.

    The Maverick V8 frame mounts are NO LONGER hard to come by! Autokrafters and Crites Restoration both sell them.
     

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