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Author Topic:   Identify Ford Heads
662+2
Gearhead

Posts: 146
From: Ontario, Canada
Registered: Jan 2003

posted 01-20-2006 01:33 PM     Click Here to See the Profile for 662+2   Click Here to Email 662+2     Edit/Delete Message   Reply w/Quote
Does anyone know where I can find out what these Ford Motorsports heads numbers tell me M49J302 they are on my 351 Windsor motor I think they are 302 heads by the last numbers

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Scott H
Gearhead

Posts: 901
From: Chicago area
Registered: Mar 2005

posted 01-20-2006 02:59 PM     Click Here to See the Profile for Scott H   Click Here to Email Scott H     Edit/Delete Message   Reply w/Quote
302 and 351w heads are for the most part interchangeable.
Some variations in valve size, combustion chamber, rocker arm attachement have occured over the years, but they are certainly usable on either engine.

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TurboGT
Gearhead

Posts: 284
From: Hutchinson, Kansas
Registered: Mar 2002

posted 01-20-2006 05:08 PM     Click Here to See the Profile for TurboGT   Click Here to Email TurboGT     Edit/Delete Message   Reply w/Quote
M-6049-J302 FRPP/Motorsport heads maybe?

------------------
Mark Walton '83 Mustang GT 2.3 Turbo NHRA SS/O
'69 "off brand" NHRA SS/EA

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662+2
Gearhead

Posts: 146
From: Ontario, Canada
Registered: Jan 2003

posted 01-23-2006 07:47 AM     Click Here to See the Profile for 662+2   Click Here to Email 662+2     Edit/Delete Message   Reply w/Quote
Is there a site I can go to look and find out anything about these heads and I am sure of the numbers M49J302. thanks

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bifs66
Gearhead

Posts: 286
From: Maryland
Registered: Apr 2000

posted 01-23-2006 02:18 PM     Click Here to See the Profile for bifs66   Click Here to Email bifs66     Edit/Delete Message   Reply w/Quote
I have an older ('93) FMS catalog which lists a bare aluminum head as # M-6049-J302.

1. Cast from 356-T6 high strength aluminum.
2. Machined for 1.94" int and 1.60" exh.
3. Machined for threaded rocker studs.
4. Exhaust has extra bolt pattern.
5. 58 cc chamber.
6. Int port volume 170cc
7. Exh port volume 60cc
8. Uses Motorcraft AG series plugs.

Apparently, you buy the valves and valvetrain components separately to install on this bare head part number.

------------------
Bernie Frank
66 Fastback restomod (12.8 @ 112mph)
85 GT (preserved)
2000 SVT CONTOUR

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662+2
Gearhead

Posts: 146
From: Ontario, Canada
Registered: Jan 2003

posted 01-24-2006 07:08 AM     Click Here to See the Profile for 662+2   Click Here to Email 662+2     Edit/Delete Message   Reply w/Quote
Thanks

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TomP
Gearhead

Posts: 6120
From: Delta BC Canada
Registered: Dec 99

posted 01-25-2006 02:03 AM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
Those would be the original design Ford Motorsport/Alan Root heads i think.

I was visiting Root's shop in California on the way to Pomona and he showed me the blueprints the year before they became available, they were going to be called "Pro1" heads and have Bob Glidden's signature. That didn't materialize. At the time there weren't any aftermarket heads available for smallblock Fords so it seemed pretty revolutionary.

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