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Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: Paul_Fancsali] #1531710
11/11/13 01:52 PM
11/11/13 01:52 PM
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Spokane Washington
ScottSmith_Harms Offline OP
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I have 340 mounts (no fit) aren't 67-72 318/360 mounts (the steel brackets) the same?

Last edited by ScottSmith_Harms; 11/11/13 01:53 PM.
Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: ScottSmith_Harms] #1531711
11/11/13 03:05 PM
11/11/13 03:05 PM
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1Fast340 Offline
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Quote:

I have 340 mounts (no fit) aren't 67-72 318/360 mounts (the steel brackets) the same?




the mounts on the block are different with on the driverside for some weird reason while passangerside they are all the same.

273/318 has a wider bracket

340/360 has a narrow version from my memory. seems like the only mounts/brackets for the later spoolmount system that can be found in partsstores is the wider 273/318 version and with 318 being the most common engine it sort of makes sence,since a simple nut or a few washers can be used as a spacer to make the wider brackets fit the narrow mounts on the 340/360block.

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: 1Fast340] #1531712
11/11/13 08:59 PM
11/11/13 08:59 PM
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River Falls, WI
urdustd Offline
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Quote:

Quote:

I have 340 mounts (no fit) aren't 67-72 318/360 mounts (the steel brackets) the same?




the mounts on the block are different with on the driverside for some weird reason while passangerside they are all the same.

273/318 has a wider bracket

340/360 has a narrow version from my memory. seems like the only mounts/brackets for the later spoolmount system that can be found in partsstores is the wider 273/318 version and with 318 being the most common engine it sort of makes sence,since a simple nut or a few washers can be used as a spacer to make the wider brackets fit the narrow mounts on the 340/360block.




Exactly what I was trying to get to

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: urdustd] #1531713
11/11/13 10:34 PM
11/11/13 10:34 PM
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YOU HAVE B/E MOUNTS PICTURED TRYING TO ATTACH TO YOUR BLOCK,THEY WOTN WORK WITH A-BODY, STEELS AND RUBBERS ARE DIFFERENT.

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: Joesixpack] #1531714
11/11/13 10:42 PM
11/11/13 10:42 PM
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273-318 A-BODY PASS SIDE MOUNTS SAME AS 340-360
DRIVER SIDE 273-318 A-BODY MOUNT IS ALL BY ITS LONESOME.
PASS SIDE PICTURED HERE

7920860-$_57340APASS.jpg (186 downloads)
Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: Joesixpack] #1531715
11/11/13 10:45 PM
11/11/13 10:45 PM
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DIVERS SIDE a-body on left for 273-318

7920865-318A-BODY.jpg (125 downloads)
Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: Joesixpack] #1531716
11/11/13 10:47 PM
11/11/13 10:47 PM
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backside of pair

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: Joesixpack] #1531717
11/11/13 10:59 PM
11/11/13 10:59 PM
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Overpriced Housing Central
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Quote:

YOU HAVE B/E MOUNTS PICTURED TRYING TO ATTACH TO YOUR BLOCK,THEY WOTN WORK WITH A-BODY, STEELS AND RUBBERS ARE DIFFERENT.




Correct on that. If going into an A body car, those brackets won't work anyway.

The block having the high hole position at rear is going to be an issue with most 273/318 mounts which is what you need, not 340/360 mounts.

I have a mount bracket that will work with the high mount hole. $30 + shipping

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: RobX4406] #1531718
11/12/13 11:39 AM
11/12/13 11:39 AM
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Connecticut
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340 resto blocks use 318 mounts...

Scott, I'll take that driver's side 340 motor mount bracket if you're going to toss it... :thumb

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: 1972CudaV21] #1531719
11/23/13 09:35 PM
11/23/13 09:35 PM
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Spokane Washington
ScottSmith_Harms Offline OP
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A fellow member graciously sent me a pair of A-body 318 mounts and the drivers side does fit as far as width goes, but it has the lower the rear mounting hole and my block will require the high mount hole style mount. RobX4406, did you get my PM? I need one!

Thanks!

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: ScottSmith_Harms] #1531720
11/24/13 10:48 AM
11/24/13 10:48 AM
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Eighty Four, PA
B G Racing Offline
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If you use the correct mounts and insulaters they work fine.We done many resto blocks and never had an issue with the block bosses.Keep in mind the mounts must be the correct ones for the K-member as well.

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: B G Racing] #1531721
11/24/13 12:52 PM
11/24/13 12:52 PM
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Spokane Washington
ScottSmith_Harms Offline OP
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Quote:

If you use the correct mounts and insulaters they work fine.We done many resto blocks and never had an issue with the block bosses.Keep in mind the mounts must be the correct ones for the K-member as well.





Bob, "correct mounts"? Which correct mounts are you referring to? I have several original 340 engines here for reference, as well as the Resto block. The blocks are not the same, the drivers side mounting boss is different on the Resto block so the "correct" E-body 340 mounts I have do not fit it. I realize that the different K-frames require different mounts, what I'm trying to determine is which mounts fit the resto block (which factory mounts from which year and engine combo will work on this block, in my case, for a 71 A-body). So, I have 70 E-body 340 mounts and they won't fit the block, I also have some A-body 67-72 318 mounts, which are the right width but the hole on the rear lug of the drivers side is too low so they don't fit either.

What cars/engine combos came with the drivers side mount that had the high mount hole mentioned a few posts above?

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: ScottSmith_Harms] #1531722
11/25/13 12:00 AM
11/25/13 12:00 AM
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Spokane Washington
ScottSmith_Harms Offline OP
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Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: ScottSmith_Harms] #1531723
11/25/13 12:40 AM
11/25/13 12:40 AM
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Mt. Vernon, Ohio
dartman366 Offline
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Could you re-drill the mount to fit the block or is the new hole going to intersect the origional.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: dartman366] #1531724
11/25/13 12:53 AM
11/25/13 12:53 AM
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Spokane Washington
ScottSmith_Harms Offline OP
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This is the bracket I just received (supposed to be a drivers side 67-72 273-318 mount).

7935614-318mount.jpg (126 downloads)
Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: ScottSmith_Harms] #1531725
11/25/13 01:01 AM
11/25/13 01:01 AM
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Mt. Vernon, Ohio
dartman366 Offline
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Quote:

This is the bracket I just received (supposed to be a drivers side 67-72 273-318 mount).


Ok, when you said lug I was thinking the lug on the block was too low,,nevermind


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: dartman366] #1531726
11/25/13 09:30 AM
11/25/13 09:30 AM
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Eighty Four, PA
B G Racing Offline
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I will try and get some pictures and info on the mounts and block this weekend.The cars we worked with were 70 Cudas and challengers.

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: B G Racing] #1531727
11/25/13 11:34 AM
11/25/13 11:34 AM
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Get some flat stock and weld a new ear to that bracket to match the lug on the block. Very easy to do.


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Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: Guitar Jones] #1531728
11/25/13 11:40 AM
11/25/13 11:40 AM
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Spokane Washington
ScottSmith_Harms Offline OP
Mr Wizzard
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Quote:

Get some flat stock and weld a new ear to that bracket to match the lug on the block. Very easy to do.





Sure, always an options as a last resort, but with all of the posts on this thread that say "Oh no problem, just use "X" mounts, they work fine" I'd rather find one of those and bolt it on.

Re: 340 Resto Block Issues - Engine Mounts - Help! [Re: ScottSmith_Harms] #1531729
11/25/13 11:49 AM
11/25/13 11:49 AM
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Quote:

Quote:

Get some flat stock and weld a new ear to that bracket to match the lug on the block. Very easy to do.





Sure, always an options as a last resort, but with all of the posts on this thread that say "Oh no problem, just use "X" mounts, they work fine" I'd rather find one of those and bolt it on.





What about the driver side bracket for a poly?

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