Merc and Ford 429 Differences
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Junior User
Joined: Jul 2013
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From: Alabama
Merc and Ford 429 Differences
Quick question: Are the motor mounts for a Mercury 429 not the same as mounts for the Ford 429? Looking at motor mounts in the LMC catalogue. The description says it is for a Ford 429 and NOT a Mercury 429.
Posting Guru
Joined: May 2010
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From: Moyie, BC Canada
The 'Mercury' version 429 was the Ford. The Cougar is the only car that I can remember off hand that had a 429, and it had a 'Cobra Jet' version of the 429cu in motor. I built a Shelby Cobra 'clone' many years ago and built a Boss 429 motor for it. In my opinion that was a pretty good motor. I often thought it would be a good boat motor with all that torque.
As to your question there is no difference with the motor mounts .
As to your question there is no difference with the motor mounts .
Post Fiend
Joined: Mar 2007
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From: springfield il
One and the same . used in cougars grad marquis etc. There were 4 versions . base thunderjet , cobra jet , super cobra jet , boss 429 which was a mustang only item and if memory serves me 1 or 2 cougars . most common is the thunder jet . 360 horse 470 ft lb . and most likely what you have there are differences in the blocks from to jet to cj and scj and boss as well as forged cranks , pistons etc .
Elder User
Joined: Oct 2011
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From: NJ
One and the same . used in cougars grad marquis etc. There were 4 versions . base thunderjet , cobra jet , super cobra jet , boss 429 which was a mustang only item and if memory serves me 1 or 2 cougars . most common is the thunder jet . 360 horse 470 ft lb . and most likely what you have there are differences in the blocks from to jet to cj and scj and boss as well as forged cranks , pistons etc .
Later!
Mr. Ed
Post Fiend
Joined: Mar 2007
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From: springfield il
damn shame ed !!! that car would be worth a pretty penny right now !! oh and the differences in the blocks were thicker main webs , 4 bolt main caps . the cobra jet and scj heads were also vastly different . the thunder jet which i had one and tweaked as well as a cobra jet i had were both strong and reliable engines . both engines resided in my 70 bird . replaced the oe thunderjet { tweaked of course } for a tweaked cobra jet .
Elder User
Joined: Oct 2011
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From: NJ
The Cyclone came with the 429 Thunderjet while the Cyclone GT came with a 351, and the Spoiler came with the Cobrajet. When I priced the car out, I looked at all of the ways to build it, it came out the same no matter which engine or body style you chose. But the Spoiler did come with the spoiler and canted dash gauges. I added the Detroit locker and AM/FM radio.
Later!
Mr. Ed
Later!
Mr. Ed
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
LMC as usual, doesn't have a clue. What car is the 429 installed in that you need engine mounts for?
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More Turbo
Joined: Aug 2008
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From: Roanoke, VA
Just to echo some of the others- it's the same animal.
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Junior User
Joined: Jul 2013
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From: Alabama
The ad heading says "1969 ford 429 and C6 trans." The body of the text says that it is out of a Mercury. The motor mount comment at LMC didn't make sense to me. I figured you guys would know for sure.
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