slant 6 vs. 318 bellhousing interchange?
#3145166
05/17/23 04:07 PM
05/17/23 04:07 PM
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Joined: Jan 2003
Posts: 7,521 Minnesota
Hemi_Joel
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Hi, is a /6 and small block V8 bellhousing pattern the same?
I have a 67 D200 4 door that had a 318 and 4 speed. But they are gone and I'd like to get the truck back on the road.
For donors, I have a granny gear 4 speed and slant 6 in an old junk 66 D300, and a 318/ automatic in a junk 67 Belvedere. I was thinking the 318 from the Belevdere and the bellhousing and trans from the D300 could go into the 67 D200. Will it work?
Thanks, Joel
[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: slant 6 vs. 318 bellhousing interchange?
[Re: Hemi_Joel]
#3145170
05/17/23 04:18 PM
05/17/23 04:18 PM
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Joined: Jun 2006
Posts: 125 kalispell montana
jwilson 61
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no unfortunately two totally different bellhousing patterns . this is one area mopar could have followed chevys lead in that straight six thru small and bigblock all interchange.
70 cuda 440 6bbl Auto with a dana 60 68 road runner QQ1 383 auto 1970 6 barrel 4 speed Superbird FY1 number matching 15 Challenger 6.4 SRT pearl White 6 Speed 72 Cuda 440 5 speed 71 Road Runner 440 4 speed
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Re: slant 6 vs. 318 bellhousing interchange?
[Re: jwilson 61]
#3145237
05/17/23 10:41 PM
05/17/23 10:41 PM
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Joined: Jan 2003
Posts: 7,521 Minnesota
Hemi_Joel
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[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: slant 6 vs. 318 bellhousing interchange?
[Re: Hemi_Joel]
#3145241
05/17/23 11:08 PM
05/17/23 11:08 PM
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Joined: Jan 2003
Posts: 43,827 Round Lake Beach, Illinoisy
Rhinodart
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Rhinotruck
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Your bellhousing should look something like this, they mount to the frame...
The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.
JB Rhinehart, Realist
A-Body's RULE!
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Re: slant 6 vs. 318 bellhousing interchange?
[Re: Rhinodart]
#3145245
05/17/23 11:15 PM
05/17/23 11:15 PM
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Hemi_Joel
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Rhino, years back I put a clutch in that 66 d300 slanty that is now a parts truck. I remember the bellhousing mounting to the frame, just like you say.
[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: slant 6 vs. 318 bellhousing interchange?
[Re: Hemi_Joel]
#3145255
05/18/23 01:31 AM
05/18/23 01:31 AM
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Joined: Jan 2003
Posts: 20,327 Park Forest, IL
slantzilla
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I have seen some early bellhousings for the heavy duty 4 speed that had both patterns on them. It's the one you had to unbolt the flywheel to get to all the bellhousing bolts.
"Everybody funny, now you funny too."
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Re: slant 6 vs. 318 bellhousing interchange?
[Re: slantzilla]
#3145384
05/18/23 07:05 PM
05/18/23 07:05 PM
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Joined: May 2019
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Sniper
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I have seen some early bellhousings for the heavy duty 4 speed that had both patterns on them. It's the one you had to unbolt the flywheel to get to all the bellhousing bolts. This is correct, do not conflate truck and car stuff, especially in that era. Flywheel is probably different though. The HD trans you mentioned is the NP435. But if I recall correctly, and the last one I did was in the 90's so it's fuzzy, there is an adapter plate between the slant and the bellhousing? I don't have a truck parts manual, but it should confirm the same bell for small block and /6. No idea what the big block trucks used though
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Re: slant 6 vs. 318 bellhousing interchange?
[Re: Sniper]
#3145410
05/18/23 08:37 PM
05/18/23 08:37 PM
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ruderunner
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There was an adapter plate that allowed small block 727 to bolt to a slant. Used a few years in early mid 60s until mopar started making slant 727 cases.
Don't know of anything for manuals though.
Angry white pureblood male
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