Early Hemi into an B-Body
#2885948
02/09/21 05:34 PM
02/09/21 05:34 PM
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Joined: Mar 2004
Posts: 2,963 Wisconsin
Stewpar
OP
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OP
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Joined: Mar 2004
Posts: 2,963
Wisconsin
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Anyone done it? 392 Hemi, what K-Frame and or Engine mounts?
Thanks for the help!!!
Last edited by Stewpar; 02/10/21 11:53 AM.
Admiration For Multiple Carburetor Vehicles...
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Re: Early Hemi into an E-Body
[Re: Stewpar]
#2885998
02/09/21 07:29 PM
02/09/21 07:29 PM
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Joined: Jan 2003
Posts: 10,752 North Dakota
6PakBee
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,752
North Dakota
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Oh God, no....... Years ago I saw a 1969 Plymouth Belvedere station wagon that someone had shoehorned a 392 into with the matching cast iron TF. As I recall, the biggest challenge was keeping the front bumper from dragging. I can't remember if it was a PB, PS car but I can remember thinking that just because you can do something doesn't necessarily mean it's a good idea.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Early Hemi into an E-Body
[Re: Stewpar]
#2886113
02/10/21 12:22 AM
02/10/21 12:22 AM
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Joined: Jul 2003
Posts: 3,267 Connecticut
1972CudaV21
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I’ve seen a few out there. But, I’d go with a modern 392 over the old one.
China is the enemy.
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Re: Early Hemi into an B-Body
[Re: Stewpar]
#2886935
02/11/21 09:31 PM
02/11/21 09:31 PM
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Joined: Feb 2006
Posts: 1,179 Canada
demon
super stock
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super stock
Joined: Feb 2006
Posts: 1,179
Canada
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It fits. I had a friend put one in a 64 Polara [B body}. The motor mounts are easy. a 57-58 392 use the same mount ears as a 318. Small block mounts are a direct bolt on. An aluminum 727, or 833 4 speed bellhousing is a direct bolt on too, but, you need a spacer kit because the 392, like all 61 and earlier Mopar V8's, has a crank flange that sticks out further than a 62 and newer V8. Most of the early Hemi specialist shops sell these adapter kits. Yes, an early Hemi is heavy, but if you use aluminum parts like intake, water piump etc, plus tube headers, it will be no heavier than a 440. Width isn't an issue, if the engine is installed from above. The 57-58 392 is wider than a 426, but it does clear. One of the main reasons the 426 was made narrower than the early Hemi's, was for assembly line installation. It had to be narrow enough to pass up, between the frame rails of a B body. All Mopars of this era had the body dropped over the engine, so whether it was a 225 six or a 426 Hemi, the engine and trans was mounted to the assembled K frame, and the body dropped over top. In fact, the 392 Hemi has a superior cylinder head design in several ways, compared to a 426 Hemi. The 392 has a virtually direct flow from intake through exhaust, where the 426 has some bends and bumps, necessitated by the intentional narrowing of the package, for assembly line ease.
As for performance, just look at all the records set in the 50's and 60's by 392's. These engines have incredible performance potential, so depending on budget, you can make it as fast as your wallet allows.
Last edited by demon; 02/11/21 09:32 PM.
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Re: Early Hemi into an B-Body
[Re: demon]
#2886947
02/11/21 09:46 PM
02/11/21 09:46 PM
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Joined: Dec 2009
Posts: 20,662 in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,662
in a cattle trailer down by th...
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I like the idea, something different. At the least he didn't ask about swapping an LS in it.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion. '74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion. 2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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Re: Early Hemi into an B-Body
[Re: calrobb2000]
#2887023
02/12/21 01:47 AM
02/12/21 01:47 AM
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Joined: Jan 2003
Posts: 20,205 Park Forest, IL
slantzilla
Too Many Posts
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There's a thread in the Race section of one in what appears to be a '71 Charger. I just bumped it up.
"Everybody funny, now you funny too."
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Re: Early Hemi into an B-Body
[Re: slantzilla]
#2887100
02/12/21 10:47 AM
02/12/21 10:47 AM
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Joined: Oct 2005
Posts: 8,906 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,906
Ontario, Canada
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I saw a '68 Super Bee clone with one in it - a local guy. It was well done but it looked odd and ugly in there. Keep in mind that those old hemis cost a forture to build to make any power - they were very low compression motors. Hell, it'll cost you $500 just for an adapter for a more current transmission! You'd be far further ahead to drop in a basically stock big block and dress it up if you're after eye candy. Price everything out before you toiuch a wrench to a bolt !!
Last edited by Stanton; 02/12/21 10:49 AM.
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Re: Early Hemi into an B-Body
[Re: Stanton]
#2887236
02/12/21 02:52 PM
02/12/21 02:52 PM
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Joined: Jan 2003
Posts: 7,498 Minnesota
Hemi_Joel
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If you want a cheap way to see those Hemi valve covers under the hood of your B body, a fairly stock early Hemi can accomplish that at a reasonable cost. But it's impractical if you are going for high performance. The Gen 2 Hemi is so superior to the early Hemi in so many ways. It's almost impossible not to make 700 horsepower with a nearly stock, naturally aspirated, stroker Gen 2 Hemi build. With an early Hemi, you will spend a lot of money, spend a lot of time chasing hard to get parts, and work really hard to get 700 horsepower.
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: Early Hemi into an B-Body
[Re: Stewpar]
#2887281
02/12/21 04:07 PM
02/12/21 04:07 PM
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Joined: Aug 2003
Posts: 43,285 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,285
Bend,OR USA
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When my Son first move up to Bend, OR in 1992 there was a 1968 Charger with a 1957 New Yorker 392 C.I. Hemi motor in it, it looked like it was made that way, it was for sale but I don't remember the costs now. I was hoping it was a 426 hemi car but no such look I've own several different original 1957 and 1958 Chrysler and Imperial that had those motors in them stock including two Chrysler 300 car that came stock with solid lifters and in line dual quads, those 300 motors ran a lot better with a single four barrel dual plane intake off of a regular 392 with the stock 392 Carter WCFB four barrel drive ability wise on the street The dual quad intake was a simple log type single plane intake manifold with progressive linkage on the dual 4 barrel carbs. They ran and drove okay at light part throttle operations and better at WOT Those cars were very heavy and handled like a big boat, not well at all
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Early Hemi into an B-Body
[Re: Cab_Burge]
#2887334
02/12/21 05:11 PM
02/12/21 05:11 PM
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Joined: Oct 2005
Posts: 8,906 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,906
Ontario, Canada
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With an early Hemi, you will spend a lot of money, spend a lot of time chasing hard to get parts, and work really hard to get 700 horsepower What's "hard to get" ??? Hot Heads carries anything you'd possibly need. http://hothemiheads.com/
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Re: Early Hemi into an B-Body
[Re: Stanton]
#2887345
02/12/21 05:35 PM
02/12/21 05:35 PM
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Joined: Jan 2003
Posts: 7,498 Minnesota
Hemi_Joel
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master
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perhaps it's better now, back in 20 15, getting a custom cam took a couple months, the missile rockers took over a month, finding someone with a program to CNC port the heads and get it done took months. Took over a year to find a 5/8 stroker crank. If you just order everything out of a catalog, I'm sure it would go quicker, but then it is unlikely that you will make 700 horse NA either.
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: Early Hemi into an B-Body
[Re: Hemi_Joel]
#2887412
02/12/21 08:44 PM
02/12/21 08:44 PM
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Joined: Oct 2005
Posts: 8,906 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
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Posts: 8,906
Ontario, Canada
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but then it is unlikely that you will make 700 horse NA either Well who said anything about 700 HP ... other than you ?!?! The OP was just about the feasibility of the installation.
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Re: Early Hemi into an B-Body
[Re: Hemi_Joel]
#2887962
02/14/21 08:39 AM
02/14/21 08:39 AM
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Joined: May 2019
Posts: 6,306 nowhere
Sniper
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If you just order everything out of a catalog, I'm sure it would go quicker, but then it is unlikely that you will make 700 horse NA either. Not even sure how where you get your parts makes a difference to the build. Not like the Mad Scientist of Mopars has a stash of makes more than 700hp NA goodies in the Cave of Doom only available only to supplicants that arrive upon mule back to receive the imparted wisdom.
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