1956 engine puzzle
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Senior User
Joined: Dec 2007
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From: MA.
1956 engine puzzle
<TABLE id=HB_Mail_Container height="100%" cellSpacing=0 cellPadding=0 width="100%" border=0 UNSELECTABLE="on"><TBODY><TR height="100%" width="100%" UNSELECTABLE="on"><TD id=HB_Focus_Element vAlign=top width="100%" background="" height=250 UNSELECTABLE="off">Hi All.
Hope you are having a wonderful weekend working on your truck and drinking beers..and not doing yard work...
To days puzzle is..I went and purchased and installed a Pertronix electronic point conversion kit (ignitor !!) yesterday and also retimed the engine 6 degrees BDTC. I also took out the plugs and notice they were the
small Autolite 25...and not the large BF-45 style that was listed on a website.
The only engine number I can find is ( D30E-9425-AA)
So what do I really have? Is it a 302?? what year?
thanks again to the experts!
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Hope you are having a wonderful weekend working on your truck and drinking beers..and not doing yard work...
To days puzzle is..I went and purchased and installed a Pertronix electronic point conversion kit (ignitor !!) yesterday and also retimed the engine 6 degrees BDTC. I also took out the plugs and notice they were the
small Autolite 25...and not the large BF-45 style that was listed on a website.
The only engine number I can find is ( D30E-9425-AA)
So what do I really have? Is it a 302?? what year?
thanks again to the experts!
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Posting Guru
Joined: Jun 1999
Posts: 2,415
Likes: 3
From: Comox Valley, Canada
Well D3 is 1973 but I thought the 302's had the large plugs until 78 or so....... maybe someone switched heads.............. Mine are 72 heads and they have large plugs and the backup/donor 78 302 I have has small plugs..............ah you are enjoying having an engine someone else built and pieced together I think 
So you aren't sure it is even a 302?
So you aren't sure it is even a 302?
Fleet Owner
Joined: Jul 2004
Posts: 27,298
Likes: 1,059
From: NM
Isn't that number the intake manifold #?
You can spot the difference between a 302 and a 351 by looking at the deck, at the front of the engine. 351's are noticeably taller.
https://www.ford-trucks.com/forums/5...ll-models.html
You can spot the difference between a 302 and a 351 by looking at the deck, at the front of the engine. 351's are noticeably taller.
https://www.ford-trucks.com/forums/5...ll-models.html
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
D3OE-9425-AA .. Intake Manifold Engineering Number for:
D3OZ-9424-A .. 302 Intake Manifold.
Fits: 1973 Mustang / 1973/74 Maverick
1973/74 Torino ~ 1973/74 F100 ~ 1973/74 Econoline ~ 1973/74 Bronco / ALL of the previous vehicles w/o T/E (smog pump).
D3OZ-9424-A .. 302 Intake Manifold.
Fits: 1973 Mustang / 1973/74 Maverick
1973/74 Torino ~ 1973/74 F100 ~ 1973/74 Econoline ~ 1973/74 Bronco / ALL of the previous vehicles w/o T/E (smog pump).
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