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426 max wedge heads on a 440?
#968016
04/06/11 08:32 PM
04/06/11 08:32 PM
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Joined: Apr 2011
Posts: 9
Ontario,Canada
Muskiehunter51
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OP
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Ontario,Canada
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I have 1964 max wedge heads fully rebuilt (1500.00$ later), will they fit a 1969 440 block? If so any idea what I should do to make it street capable?
---->> Head # 2402286 ( there is another number 6-27 along with some letters)
---->> Intake # 2465185 ( turns out the intake manifold is from a 64 max wedge, it was 7 years ago when i bought them and i never ran the numbers)
Last edited by Muskiehunter51; 04/07/11 02:45 PM.
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Re: 426 max wedge heads on a 440?
[Re: hemi71x]
#968027
04/06/11 10:08 PM
04/06/11 10:08 PM
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Joined: Apr 2011
Posts: 9
Ontario,Canada
Muskiehunter51
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i thought the superbirds and charger daytonas raced nascar with both 426hemi and 440s 4bbl and six bbl from all the reading ive done. Anyways i just checked the numbers on the intake it reads 2465185
Last edited by Muskiehunter51; 04/06/11 10:09 PM.
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Re: 426 max wedge heads on a 440?
[Re: Muskiehunter51]
#968029
04/06/11 10:30 PM
04/06/11 10:30 PM
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Joined: Jul 2008
Posts: 30,451
Florida STAYcation
dOoC
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,451
Florida STAYcation
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Quote:
none at the moment, any suggestions?
Honestly .... I would SELL what you have and buy something with better potential street-manners. A Xram and these heads are not a good street combo ....ESPECIALLY with 5$ a gallon premium fuel.
You could sell JUST THE HEADS ...and buy some nice alum ones ... and still have $$$ left-over to totally complete the project .. 
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Re: 426 max wedge heads on a 440?
[Re: hemi71x]
#968030
04/06/11 10:54 PM
04/06/11 10:54 PM
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Joined: Nov 2009
Posts: 2,275
Desert Tracker
HYPER8oSoNic
top fuel
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top fuel
Joined: Nov 2009
Posts: 2,275
Desert Tracker
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Quote:
Quote:
I know they didnt use the 426 MW, they did use 440s which is what i have and from what i understand this will line up with the 426 heads but please correct me if im wrong, im only 22. Building a 1972 dodge challenger
440's were not allowed in NASCAR.
They were too large in the cubic inch displacement.
426 was 7 litre displacement, and that was the limit.
Your learning. Lot's of folks on this board will stear you in the right direction with their replys.
To "clarify" EVEN further, the 440 "std port" type heads were allowed in NASCAR, depending on
length of track, gearing, chassis wedge and stagger rates, etc. The 426 MAX Wedge heads were used
also under the same considerations as above. The 426 MW did see NASCAR action mid '63 to about mid 64' (HEMI's arrival) A 440
block "could" of been used for the 7-litre NASCAR
apps., IF they were "sleeved" to the 4.255 bore size. As said before, the 440 displacement SIZE was not allowed. Max cid size limit was 7-litres or 430 cubes for the "ol' schoolers" AS far as the "winged warriors"  their engine sizes
went from 7-litres (426 HEMI) to 5-litre penalty(305 cid-destroked 340 engine/4.04 bore by 2.96 stroke crank), due to wind-cheating advantages of the Daytona and Superbird on the LONGER superspeedways. After 71' the 426's were all of the standard wedge head variety (non MW, they were never made beyond 64'). Check on this!! 
Last edited by HYPER8oSoNic; 04/06/11 11:00 PM.
"Stupidity is Ignorance on Steroids"
"Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)
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Re: 426 max wedge heads on a 440?
[Re: Muskiehunter51]
#968032
04/07/11 11:15 AM
04/07/11 11:15 AM
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Joined: Jan 2003
Posts: 5,268
NY
70440+6bbl
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master
Joined: Jan 2003
Posts: 5,268
NY
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Quote:
---->> Head # 2402286 ( there is another number 6-27 along with some letters)
What you have are actually '62-3 max wedge heads. The '64 MW used the 518 castings.
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Re: 426 max wedge heads on a 440?
[Re: Muskiehunter51]
#968035
04/07/11 08:54 PM
04/07/11 08:54 PM
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Joined: Nov 2009
Posts: 1,281
WI
wannadrag
pro stock
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pro stock
Joined: Nov 2009
Posts: 1,281
WI
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Quote:
will they fit the 440/ any idea what they may be worth?
They fit and work well.I have the same heads on a 440,cross ram,MW manifolds.Runs strong.
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Re: 426 max wedge heads on a 440?
[Re: wannadrag]
#968036
04/07/11 11:55 PM
04/07/11 11:55 PM
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Joined: Apr 2011
Posts: 9
Ontario,Canada
Muskiehunter51
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thats good news, will the 64' 426 MW 4bbl intake work with the 62' 413 MW heads?
Last edited by Muskiehunter51; 04/08/11 12:17 AM.
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