429 In A 1973 Mustang Convertible

lngneckbtl · November 8th, 2006, 04:28 PM

I have a 73' mustang convertible with a 302. i want to replace it with a 429 and a buit c6 tranny. I purchase a ENGINE INSTALLATION KIT, C6 Cross member for 1967-1973 Mustang, 1967-1973 Mustang/Cougar transmission insulator, C6 or 4 spd. I am new to this so any information would help as far as replacing the engine. sort of a step by step guide. thanks for any help. and does anyone know of a good speed shop near blairstown NJ?

cliff · November 8th, 2006, 06:21 PM

sounds cool

69fastback · November 8th, 2006, 11:39 PM

They actually make a kit to put the 429 in a non 429car? Aren't the struts actually in a different location on the 429 cars? I coiuld be wrong.

lngneckbtl · November 9th, 2006, 10:14 AM

I pulled up the dimensions on both v8's

weight width length height
302 460 lbs 24 29 27.5
429/460 720 lbs 27 34 29
(ex. boss)

so it's 1 1/2 inches wider on either side not mush longer or heigher. the only great difference I see Is the weight. I have to find out about the shock towers

69fastback · November 9th, 2006, 05:23 PM

That will be awesome. BOSS 429 is my ultimate dream car.

Horseshoeing · November 9th, 2006, 07:20 PM

Thats a nice car

chevy_killer · November 9th, 2006, 08:28 PM

if your going to put a 429 in your car that would be sweat.....but it may be a little tight around the shock towers....it may be a little more hasle when you want to change the spark plugs....i can get a 460 for $200 and the only reason im not wanting to get it and put it in my 69 stang is the space between the shock towers

Mach1460 · February 8th, 2007, 09:58 PM

the 71 -71 mustangs were specifically designed for the 429 big block. I have a 72 with a 460 (stroked ti 532) The only thing you will have to do change the front springs to handle the weight. (other small things like motor mounts also. It should fit fight in and have enough room to get to the plugs and everything. Headers will even fit fine. I have a picture of me somewhere where I am actually sitting in the engine compartment, haha. (no motor) Emissions laws killed the big block for Ford in 71, thats the only reason the 72 and 73 models didnt get them. But they were designed for them. Hope that helped

73gt · February 10th, 2007, 02:28 AM

If you need a set of headers let me know. I have a set of Hooker Super Comps for that Stang.

November 8th, 2006, 04:28 PM	#1
lngneckbtl Newbie Join Date: Nov 2006 Posts: 2	429 In A 1973 Mustang Convertible I have a 73' mustang convertible with a 302. i want to replace it with a 429 and a buit c6 tranny. I purchase a ENGINE INSTALLATION KIT, C6 Cross member for 1967-1973 Mustang, 1967-1973 Mustang/Cougar transmission insulator, C6 or 4 spd. I am new to this so any information would help as far as replacing the engine. sort of a step by step guide. thanks for any help. and does anyone know of a good speed shop near blairstown NJ?

November 8th, 2006, 11:39 PM	#3
69fastback Enthusiast 1969 Mustang Mach 1 OLDNSLO Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 676	They actually make a kit to put the 429 in a non 429car? Aren't the struts actually in a different location on the 429 cars? I coiuld be wrong. __________________ New ride http://www.superior-motorsports.com/...aig/craig.html Old ride http://www.superior-motorsports.com/...g/mustang.html old rides engine in new home http://videos.streetfire.net/video/4...285480b970.htm

November 9th, 2006, 05:23 PM	#5
69fastback Enthusiast 1969 Mustang Mach 1 OLDNSLO Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 676	That will be awesome. BOSS 429 is my ultimate dream car. __________________ New ride http://www.superior-motorsports.com/...aig/craig.html Old ride http://www.superior-motorsports.com/...g/mustang.html old rides engine in new home http://videos.streetfire.net/video/4...285480b970.htm

November 9th, 2006, 07:20 PM	#6
Horseshoeing Classic Moderator Join Date: Aug 2005 Location: GA Posts: 4,179	Thats a nice car __________________ Classic Mustangs are the best! Get one.

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November 8th, 2006, 06:21 PM	#2
cliff Regular Join Date: May 2006 Posts: 95	sounds cool

November 9th, 2006, 08:28 PM	#7
chevy_killer Enthusiast 2000 v6 Mustang Join Date: Nov 2006 Location: Winter Haven Florida Posts: 943	if your going to put a 429 in your car that would be sweat.....but it may be a little tight around the shock towers....it may be a little more hasle when you want to change the spark plugs....i can get a 460 for $200 and the only reason im not wanting to get it and put it in my 69 stang is the space between the shock towers

February 8th, 2007, 09:58 PM	#8
Mach1460 Newbie Join Date: Feb 2007 Posts: 11	the 71 -71 mustangs were specifically designed for the 429 big block. I have a 72 with a 460 (stroked ti 532) The only thing you will have to do change the front springs to handle the weight. (other small things like motor mounts also. It should fit fight in and have enough room to get to the plugs and everything. Headers will even fit fine. I have a picture of me somewhere where I am actually sitting in the engine compartment, haha. (no motor) Emissions laws killed the big block for Ford in 71, thats the only reason the 72 and 73 models didnt get them. But they were designed for them. Hope that helped

February 10th, 2007, 02:28 AM	#9
73gt Newbie Join Date: Feb 2007 Posts: 9	If you need a set of headers let me know. I have a set of Hooker Super Comps for that Stang.

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429 In A 1973 Mustang Convertible

429 In A 1973 Mustang Convertible

re: 429 In A 1973 Mustang Convertible