the rear end will be a direct swapp, however the driveshaft will have to be shorten'd and also have a conversion u-joint installed in the rear of it...
jeeze "until i get my 340 built", what a.... ohh i'll stop ranting now
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| 3;91 https://www.slantsix.org/forum/viewtopic.php?t=6359 |
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| Author: | 70dartmd [ Wed Jul 23, 2003 8:13 pm ] |
| Post subject: | 3;91 |
can i put an 8 and 3/4 with 3:91 gears from a 73 duster into my 70 dart slant six with a 904 and stock drive shaft until i get my 340 built |
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| Author: | 87Slant_sickness [ Wed Jul 23, 2003 10:52 pm ] |
| Post subject: | |
the rear end will be a direct swapp, however the driveshaft will have to be shorten'd and also have a conversion u-joint installed in the rear of it... jeeze "until i get my 340 built", what a.... ohh i'll stop ranting now
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| Author: | DusterIdiot [ Wed Jul 23, 2003 11:14 pm ] |
| Post subject: | What happened to the driveline from the Duster? |
He'll have to measure up what he needs for the driveline he may need a conversion u-joint, his dart has a longer wheelbase than a Duster, so he might be able to get away with a /6 duster driveline and a u-joint change depending on how the length measures up... -D.Idiot |
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| Author: | kesteb [ Thu Jul 24, 2003 2:35 pm ] |
| Post subject: | |
Why would he need a "conversion" ujoint? The 7 1/4", 8 1/4", 8 3/4" and 9 1/4" axles all use the same "small" ujoint. The only reason he would need a "conversion" ujoint is if the 8 3/4" axle was from behind a 440 or a truck. |
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| Author: | Slant Cecil [ Thu Jul 24, 2003 9:18 pm ] |
| Post subject: | |
A body 340 4 spd cars up to '70 or '71 had the big 7290 joint. Or the 'chunk' may have been changed over the years. A conversion joint may be needed. Cecil |
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| Author: | 70dartmd [ Thu Jul 24, 2003 9:38 pm ] |
| Post subject: | i really do |
, thanx, i reallly do have a 340, or half of one any way, just a block |
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| Author: | Dennis Weaver [ Thu Jul 24, 2003 10:38 pm ] |
| Post subject: | |
...I don't think anyone doubted that you own a 340, I think some people here just wondered why you'd take out that awesome /6 to put in a regular ole' V8...  "DW" |
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| Author: | 70dartmd [ Fri Jul 25, 2003 6:45 pm ] |
| Post subject: | twin turbo |
if i could find a twin turbo set up that ive seen on the net before i would deffinatly change my mind |
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| Author: | slantzilla [ Fri Jul 25, 2003 8:58 pm ] |
| Post subject: | |
To change from a 7.25 to an 8.75 you will need to shorten the driveshaft 1.75". (Been there, done that-twice)  I have 3 8.75 chunks laying around. 2 from 340 auto cars and 1 from a 4-speed 383 Roadrunner. The 2 340 ones have the small yoke and the RR one has a large yoke.
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