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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Power Train Tech Forum -> I NEED MOTOR MOUNTS!
Post Info TOPIC: I NEED MOTOR MOUNTS!
dudemanbro


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I NEED MOTOR MOUNTS!
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i have eveything but one thing to put the 427 in the Grande Parisienne...

motor mounts blankstare. what will work and what wont? is there any sites online that i can get them from? i need the entire mount, the piece for the frame, the peice for the block and the rubber for in between.

if you have one that you dont need...post below please

Thanks! Justin



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1967 Pontiac Grande Parisienne

427BBC-4gears

 Very slow build thread... :/

  http://canadianponcho.activeboard.com/t44547044/67-grande-parisienne-daily-driver-build/
73SC


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Call Canadian Tire, Parts Source or your local supplier. These are common and can be purchased today. Chevrolet in it's wisdom used the same engine mounts for small blocks and big blocks. Get Passenger car mounts not Truck.  Just tell them you have a Grande Parisienne with 427. I am doing the same thing now and my 350 mounts bolt directly on to the 454 but I have a brand new set anyway.



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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
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4SPEED427


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Be very careful with what you buy. I can post up some info tonight. Some of the pieces on the market these days are pure junk, to say the least.  I think I have some pics at home to show you what to look for.



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
4SPEED427


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Just one thing I can add before I get home, 6258154 and 3990916 are the two numbers that GM used for them. The 6258154 is the new number, 3990916 is the original part number.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Stephenzone


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are these numbers good only for 67 or will they work for my 70?

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sTevE

55 GMC, 70 Pontiac 2+2 rag
4SPEED427


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Stephenzone wrote:

are these numbers good only for 67 or will they work for my 70?

 No, different. 70 350 4 barrel and big block used 3990918, 2 barrel used 3990914. I am sure the difference is the measurement between the ears but I can't recall exact numbers. As you already know, the 3 bolts to the block is the same on all small and big block Chev/Cdn Poncho engines.



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
73SC


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I called my local Parts Source they had big block mounts in stock for my car, $20,98 each made by Anchor. Not sure who or where that company is but my point is they are easy to get.



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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
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694279


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hi 1967- 1968 big blocks take a different motor mount than 1969 and up i know  ,,,,, the 1967-68 are not as wide as they fit over the frame bracket i have a set of gm mounts for sale check your parts books ....AND DO NOT BUY CANADIAN TIRE NOTHING WILL LINE UP .......JUNK



-- Edited by 694279 on Friday 16th of September 2011 06:22:55 PM

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4SPEED427


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694279 wrote:
 i have a set of gm mounts for sale check your parts books ....AND DO NOT BUY CANADIAN TIRE NOTHING WILL LINE UP .......JUNK



-- Edited by 694279 on Friday 16th of September 2011 06:22:55 PM

 What GM number are the ones you have for sale? I can check for him if they will fit his application.

Your last line sums it up. Here is my best effort to get them to line up on my Acadian after die grinding, shimming, hammering, prying and whatever. 2 evenings of jerking around with those cheap aftermarket Made-in-India piece of crap mounts from my local jobber store. Did I toss them in the garbage? No way, I keep them to show people and warn them not to buy that crap AND to remind myself to pay extra and buy quality parts that fit when necessary. NO WAY would those pieces of crap allow a bolt in on both sides at the same time.



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
4SPEED427


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Oh, and the solution? I bought NOS GM mounts off ebay, bolted them on, lowered the engine and put both bolts in. Not even a wiggle, pry, nothing, it sat down perfectly first try...

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
4SPEED427


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Some more to add to my mount rant....!

Years ago, the jobber mounts were fine, every bit as good as OEM in my opinion. Then they started making them offshore.

I have picked up some NOS mounts that I am unsure of as to brand. They look and fit excellent.

On the left in this picture is an NOS mount I suspect is GM but can't prove it. On the right is the India part, complete with major die grinding in the hole, to no avail. Notice the difference in the steel thickness of the mount frame.



Also the design, it's similar but not the same.



The India part is basically heavy gauge sheet metal...







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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
4SPEED427


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Now for the GM replacement part for your 67 427. This is a used replacement mount I have, put out by GM but not identical to what it was made with in 67. Still a very heavy duty piece though, and fits perfect.



I was lucky enough to score a set of NOS mounts that again, I think may be GM but can't prove it. Notice the steel tab at the bottom of the mount in the 2 pictures. One is curved, one is straight. Not sure why the difference other than not the same manufacturer. 



My neighbour bought a set of mounts at a jobber store for his 67 Beaumont 396 and was not happy. He did manage to make them fit, but with a struggle. This would be the same mount as your car needs.

If you need help locating some, I can give you a hand. No promises, it takes persistence. I spent a LOT of time on the internet to find what I needed. You get to the point that you can quickly recognize the junk parts vs. the good quality HD parts that will fit.



-- Edited by Carl Stevenson on Friday 16th of September 2011 09:36:28 PM

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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694279


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HI ibought the 1967-68 mounts from GM 30 years ago tryied to put them on a 1969 big block camaro would not fit my friend told me they were the wrong ones i just remember what he told me we called him the general gm crazy i have no part numbers

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Stephenzone


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i picked up my motor mount from napa to put the 350 in the 70. as per normal what a pita

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sTevE

55 GMC, 70 Pontiac 2+2 rag
4SPEED427


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Have you checked real careful on the black rubber part? Sometimes with a good magnifying glass you can see it on there. And yes, starting in 69 I think it was, there are some new, different mounts as well as a continuation of some of the old style ones too.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Beaumont4008


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Yes 69 was the chang over year for the new interlocking style mount. They are higher and required a different frame mount to work. The 307 got the old frame and engine mounts and the 350 and 396 got the new frame and engine mounts.



-- Edited by Beaumont4008 on Friday 16th of September 2011 10:15:29 PM

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dudemanbro


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i got my mounts :) !!!!!!
20 a piece...not bad? i think i found a tranny and if i get it all i should now need is a clutch and brake pads. feels pretty good biggrin



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1967 Pontiac Grande Parisienne

427BBC-4gears

 Very slow build thread... :/

  http://canadianponcho.activeboard.com/t44547044/67-grande-parisienne-daily-driver-build/
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
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gparis7


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I bought some big block mounts at NAPA. The first ones under the part number were made in India and did not fit. I returned them and picked  up another set - same part number - but these were made in the US, and you gessed it - they fit. 



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62 Catalina 2 dr post project

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68 Bel Air 2 dr post BB project

 
4SPEED427


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Yes, my advice to anyone is if you buy mounts that are made in India, don't even try. Take them back and keep shopping.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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