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Can a 3 speed Manual hold up to a V8.. say a Stock 360 #192240
01/13/09 02:42 PM
01/13/09 02:42 PM
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Cochise County Arizona
SPWC Offline OP
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One of the options I have with my 72 Dart,is to do a 360 swap,as i know where there is a stock unit in a Wagon I can get for like $200.

If I were to get to V8 bellhousing,would my stock 3 speed be able to handle the 360(If I were to do a swap). I know the 7.25 rearend CAN hold up if the car is driven gentle,but thats not a likleyhood.

Just thought it may be neat to have a V8 with a 3 speed on the column...The reason for the question.

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: SPWC] #192241
01/13/09 02:52 PM
01/13/09 02:52 PM
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New Zealand
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solidcam Offline
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The Chrysler 3 speed manual transmissions are hardy units.There are are few designations,from memory a230,a233 and at least one other.A 360 would pose no problem,watch your flywheel with the 360 and make sure it is correctly weighted for that engine.Hopefully others will chime in and provide additional info.

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: solidcam] #192242
01/13/09 03:36 PM
01/13/09 03:36 PM
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Lake Orion, MI
goldduster318 Offline
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one of the 3-speeds was actually standard equipment behind the 340 from 68-73. There were two 3-speed manuals in '70, an A-903 that came in 6cyl cars, and an A-230 which came in everything from 6cyl cars up to the 383. If you have the A-230, I'd say you could give that thing some serious punishment from a 360 and be fine considering it came in cars behind a 383 at one point.


'70 Duster 470hp 340/T56 Magnum/8 3/4 3.23 Sure-Grip
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: goldduster318] #192243
01/13/09 04:18 PM
01/13/09 04:18 PM
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Manitoba, Canada
DaytonaTurbo Offline
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Exactly, column shift 3 on the tree was standard equipment with the 383, so I think your 360 will do just fine in front of one, so long as yours is the same model number they put behind the big blocks.

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: DaytonaTurbo] #192244
01/13/09 04:34 PM
01/13/09 04:34 PM
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Kelowna, B.C. Canada
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DPelletier Offline
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Never mind 383's, the only manual transmission available in a 413MW car was a 3spd IIRC.

Dave


1970 Super Bee 440 Six Pack 1974 'Cuda 2008 Ram 3500 Diesel 2006 Ram 3500 Diesel 2004.5 Ram 2500 Diesel 2003 Ram 3500 Diesel 2006 Durango Limited [url] http://1970superbee.piczo.com [/url]
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: DPelletier] #192245
01/13/09 05:17 PM
01/13/09 05:17 PM
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Overpriced Housing Central
RobX4406 Offline
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If it's an A-230 you should be OK

IIRC, the A-230 gear ratios are different between the /6-318 and the 340/383 transmissions.

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: RobX4406] #192246
01/13/09 06:01 PM
01/13/09 06:01 PM
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Alabama
BigMoneyLewis Offline
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I owned two 1972 Duster 340's , both were factory 3-speed cars . The 3 speed should be fine behind a 360 .

Greg

Wards Classic Car Radio Repair Specializing in restoration and sales of Mopar A B E body radios
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gregward@mchsi.com phone 256-852-0955
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: DPelletier] #192247
01/13/09 06:04 PM
01/13/09 06:04 PM
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Spokane Washington
ScottSmith_Harms Offline
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Quote:

Never mind 383's, the only manual transmission available in a 413MW car was a 3spd IIRC.

Dave





Right, just don't power shift one of those too often, they are known to go boom! Then along comes the 5K replacement bill


Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: ScottSmith_Harms] #192248
01/13/09 06:39 PM
01/13/09 06:39 PM
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Va. Beach, Va
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70 Super Bees and Coronets that were ordered with 383's came stock with the 3 speed...all other trannys were options. My 70 has a three speed and from everything I have seen looks to be built just like the A 833 so I dont think it would have any issue holding up


77 Macho Power Wagon LWB factory 440 70 Coronet 440 N code 3 speed
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: 69superbee383] #192249
01/13/09 06:47 PM
01/13/09 06:47 PM
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Madison Wi
NTOLERANCE Offline
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Quote:

My 70 has a three speed and from everything I have seen looks to be built just like the A 833 so I dont think it would have any issue holding up




Yepp, 3 and 4 speeds are very similiar in construction.


I used to care but....... things have changed
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: NTOLERANCE] #192250
01/13/09 07:43 PM
01/13/09 07:43 PM
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Round Lake Beach, Illinoisy
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I almost bought a 69 Polara 500 convertible the other day with a factory 383 3-speed on the tree! One of the stoutest cars I have ever driven on the street was a 70 Duster 340 with 3-speed floor shift and 3.91 gears, it was tough to beat!


The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.

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A-Body's RULE!
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: SPWC] #192251
01/13/09 07:59 PM
01/13/09 07:59 PM
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midwest
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afx man Offline
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I recently converted my belvedere which was equipped with an automatic to a three speed manual column shift. It has a 273 and holds up fine. The transmission came from a challenger. It really made the car complete and very fun to drive. I've had many complements on it. Don't waste your money on the floor shift. Is all your doing is hacking up your floor pan. I've never seen a three speed FLOOR shifter worth a salt. It doesn't matter what the brand is hurst, sparkomatic, fox craft, not one of them makes a decent 3 speed shifter. COLUMN SHIFT IS THE ONLY WAY TO GO!!!!!!!!!!!!!

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: RobX4406] #192252
01/13/09 08:57 PM
01/13/09 08:57 PM
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Lincoln Nebraska
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RapidRobert Offline
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Quote:

If it's an A-230 you should be OK
IIRC, the A-230 gear ratios are different between the /6-318 and the 340/383 transmissions.


I ran a A230 3 speed one season in my 360 circle burner & did great. It'll have an A230 on a small machined pad on the side of the trans(I forget which side). the 1st gear is 1.49 if V8 & 1.70 if /6 one & the 2nd ratios were different but I cant remember what they were & 1st gear is synchronized also & I believe pilot dia was 4.70". EDIT might have been 4.35", its been awhile

Last edited by RapidRobert; 01/13/09 09:51 PM.

live every 24 hour block of time like it's your last day on earth
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: RapidRobert] #192253
01/13/09 09:49 PM
01/13/09 09:49 PM
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chicagoland,usa
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buildanother Offline
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Had a 318 coronet with a 3 speed with synchro 2nd and 3rd only. Had the larger tailshaft so it required no driveshaft change going to 727.

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: RapidRobert] #192254
01/13/09 09:57 PM
01/13/09 09:57 PM
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Overpriced Housing Central
RobX4406 Offline
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Quote:

Quote:

If it's an A-230 you should be OK
IIRC, the A-230 gear ratios are different between the /6-318 and the 340/383 transmissions.


I ran a A230 3 speed one season in my 360 circle burner & did great. It'll have an A230 on a small machined pad on the side of the trans(I forget which side). the 1st gear is 1.49 if V8 & 1.70 if /6 one & the 2nd ratios were different but I cant remember what they were & 1st gear is synchronized also & I believe pilot dia was 4.70". EDIT might have been 4.35", its been awhile




Those are second gear ratios, but, spot on.

I looked it up /6-318 has a 1-2-3 of
3.08/1.70/1
340-383 = 2.55/1.49/1

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: RobX4406] #192255
01/13/09 10:34 PM
01/13/09 10:34 PM
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Lincoln Nebraska
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RapidRobert Offline
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Quote:

Those are second gear ratios,



yes, I stand corrected. & I was running in 2nd that's why those #'s stuck in my head.


live every 24 hour block of time like it's your last day on earth
Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: SPWC] #192256
01/13/09 10:50 PM
01/13/09 10:50 PM
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Santa Rosa, NOR*CAL.
Just Cameron Offline
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One of the circle track dirt guys around here punishes a Mopar 3-speed behind his race motors. He swears by 'em.

Re: Can a 3 speed Manual hold up to a V8.. say a Stock 360 [Re: Just Cameron] #192257
01/13/09 11:55 PM
01/13/09 11:55 PM
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up yours
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My 64 300 came factory with an A745 3 speed and a 413.

I wouldn;t expect the /6 three speed to hold up though.


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They say there is always the exception that proves the rule.
Don't be the exception.






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