solid motor mount mod... another one DONE!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-22-2007, 11:48 AM   #1
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Default solid motor mount mod... another one DONE!!

ok, I know this has been discussed many many times on here...

I plan on doing this on the new car this weekend.
I know I need pucks, washers a bolt and nuts.

my question is how long of a bolt do I need? I will grab one from work tonight, and I found lengths from 7 1/2 inches to 9 inches. can anyone tell me the right length?

I also notice that there is not a techinfo write up on this, so if anyone is interested, I will take many pics and maybe we can get one made up
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Old 06-22-2007, 12:11 PM   #2
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Page 3 near the bottom.. Haro has pics and says he used around 9 inches..or something like that..

http://www.bonnevilleclub.com/forum/...=puck&start=40
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Old 06-22-2007, 12:14 PM   #3
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yeah, I read that, searched some more and found someone that said they used a 7 1/2 inch bolt.... I am just confused.... it happens, easily
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Old 06-22-2007, 12:17 PM   #4
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This might be the difference.. Haro double nutted. That'* nearly an extra 1-2 inches.

I used a bolt on my motor mount .. bought 3..used one. And found the right length for my application. Although..I had something like 4-5 puck pieces in my 97 mount.
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Old 06-22-2007, 12:20 PM   #5
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Quote:
Originally Posted by BillBoost37
Haro double nutted
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Old 06-22-2007, 01:45 PM   #6
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Quote:
Originally Posted by BillBoost37
Haro double nutted.
I thought that was "standard equipment" at birth.....it'* not?!?

Dan McCann
2000 SSEi
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Old 06-22-2007, 01:51 PM   #7
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alright boys, lets stay on topic. You know it is my car needing to be fixed and there will be no double nutting until everything is fixed on it.
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Old 06-22-2007, 02:07 PM   #8
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you can make one (solid mount) its so simple, i made the first one and its holding up good. 2000SilverBullet made the second one and its still going strong.
i like the fact that NO one who has built a solid mortor mount has taken it out and said H*** NO WORST MOD I EVER DID !
i like mine (over 110,000+ miles on it). lift the hood, rock the car(back and forth) in park, see all that movement even with a new mount.
that is not good for all the fule lines, electrical lines, exhaust pipe so on and so on.
it will also help the torque steer. it will help put the power to the ground.
i made a 3" wide motor mount for my car, but i made a 2 1/2" wide motor mount for a friend and it works just as GOOD.
we used a 2 1/2" hole saw and cut holes (wafers) out of the sidewall of an old truck tire. cost for his solid mount $0.00 and he has over 40,000 miles with out any problems.
if i had to make a new one for my car i would use the wafers made out of the sidewall of an old truck tire.
the distance between the top of the BOTTOM cross member and the bottom of the TOP
motor mount bracket is 3 5/8". i used a 7 1/2" bolt, put it in from the bottom with the double nut on top. (no smart a$$ jokes about the NUTS on top, this is some serious stuff here))

ROD
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Old 06-22-2007, 02:12 PM   #9
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I would never make a smart *** joke about nuts

so then a 7 1/2 inch long 1/2 bolt WILL work for sure then?

alright, I will try to get one from work tonight and see about some old hockey pucks from my neighbor.

Thanks guys, I was just looking for a quick confirmation on the bolt size, so that should work

I will post progress pics later
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Old 06-22-2007, 02:47 PM   #10
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Ryan.. He'* saying that at 3 5/8" it'* a 7 1/2" bolt since he'* only got one nut. Using pucks..you might have a slightly different height. Close enough for the mount..maybe longer or shorter for the bolt.

I double nutted ... this is power we need to contain here and very serious. For some projects.. one nut is not enough.

No puns inferred.
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