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413 vs 440 bottom end interchange.
#929859
02/15/11 09:18 PM
02/15/11 09:18 PM
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Joined: Nov 2010
Posts: 3,696
jersey
Spaceman Spiff
OP
master
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OP
master
Joined: Nov 2010
Posts: 3,696
jersey
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Will the crank and rods from a 65 413 drop right into a 78 440 or is the journal size or something else different? Thanks
526 cubes of angry wedge, pushbutton shifted, 9 passenger killer!
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Re: 413 vs 440 bottom end interchange.
[Re: Spaceman Spiff]
#929860
02/15/11 09:49 PM
02/15/11 09:49 PM
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Joined: Jul 2006
Posts: 4,319
Puyallup, WA
StealthWedge67
master
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master
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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Should drop in, but make sure you use the converter and balancer from the 413 qith the forged 413 crank. (Cast 440 pcs would be different)
LemonWedge - Street heavy / Strip ready - 11.07 @ 120
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Re: 413 vs 440 bottom end interchange.
[Re: StealthWedge67]
#929861
02/15/11 11:43 PM
02/15/11 11:43 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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Great swap!! GOOD steel crank, strong rods (better than LY's) just use ARP rod bolts and nuts. Shot peening adds the final touch to the rods but it's an option. USE the 413 damper and flexplate. Any 413, 426 Wedge or 440 FORGED crank converter setup will work (read: INTERNAL BALANCE ONLY)  External balance will give the motor the  and reduce it's life span!!  
"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: 413 vs 440 bottom end interchange.
[Re: HYPER8oSoNic]
#929866
02/18/11 08:50 AM
02/18/11 08:50 AM
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Joined: Jan 2005
Posts: 4,862
the frozen wastes...
Pale_Roader
Swears too much
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Swears too much
Joined: Jan 2005
Posts: 4,862
the frozen wastes...
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Quote:
Quote:
Quote:
strong rods (better than LY's)
I didn't know they were different than the LY's. Better you say...???
Not different in production numbers, type (LY's) or dimensions, but in strength. Steel was steel back then. 
Hmmm... wonder when they changed the metallurgy... As in what year. Not that i'm really looking to buy or use specifically older rods. I've got tons ov LY's kicking around, and would probably just buy new rods anyways, but its fun to know.
I've never had one, but i've always thought ov a 413 as an engine you could really beat on... Even more than a 440. Almost as stout as a 383...
Hmmm... now what would an earlier 383 be like... Bloody bombproof!
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