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  '64 1/2 to '73 -- The Classic Mustang
  How to tell a 428?

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Author Topic:   How to tell a 428?
George Hudson
Gearhead

Posts: 153
From: Verona Missouri
Registered: Sep 2000

posted 02-20-2001 08:19 PM     Click Here to See the Profile for George Hudson   Click Here to Email George Hudson     Edit/Delete Message   Reply w/Quote
Hello ive been looking around for a 428 to put back in my Q code 70 Mach. Im VERY green when it comes to FE blocks and especially the visual's of determining whether its a 428 or not. Could some one please tell me how to visually tell if the FE engine is a 428 or just another 390/360?
Thanks for the help.
George.....

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George & Denise Hudson
#680
1970 Mach 1
67 Conv. under construction.
http://www.geocities.com/stangman1970boss

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 02-20-2001 11:27 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
George, the easiest way to spot a 428 with the heads on is by the exhaust manifold bolt pattern. All 428's have 4 bolts per exhaust port. Some 390 GT's also have similar layouts but the ports are much smaller than the 428.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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ToddStyles
Gearhead

Posts: 119
From: Memphis, TN USA
Registered: Aug 99

posted 02-21-2001 01:03 PM     Click Here to See the Profile for ToddStyles   Click Here to Email ToddStyles     Edit/Delete Message   Reply w/Quote
George, I have just recently been through the same situation. Here are some good sites to start with:

http://www.428cobrajet.com
http://network54.com/Hide/Forum/21142
http://network54.com/Hide/Forum/74182

Good Luck, Todd.

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1965 2+2 GT, A-code 289 w/351 heads, T-5, 9" Versailles w/4.11 t-lock. Holley Pro-jection.

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George Hudson
Gearhead

Posts: 153
From: Verona Missouri
Registered: Sep 2000

posted 02-21-2001 05:49 PM     Click Here to See the Profile for George Hudson   Click Here to Email George Hudson     Edit/Delete Message   Reply w/Quote
Thanks Alex and Todd. The four bolt pattern is talked about in the 428cj page. I also found out today that the 428's have a external counter balance between the harmonic balancer and timing cover, is this true? It doesnt speak of it in the 428 cj page.
I checked several pages in the forums you linked me to todd but will have to spend more time there is a BUNCH of posts.
Thanks again guys..
George..

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George & Denise Hudson
#680
1970 Mach 1
67 Conv. under construction.
http://www.geocities.com/stangman1970boss

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 02-21-2001 09:36 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
George, only the 428 SCJ has the external counter weight on it. It also will have "super" cast into the block.

------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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