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identify transmission by vin number? #733094
February 15th 2018 3:36 pm
February 15th 2018 3:36 pm
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DadsVan Offline OP
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DadsVan  Offline OP
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found an 83 dodge ram 150 pickup that i may wanna pull tranny out of....problem is it is sitting flat on ground and no way to get under to look....vin number is 1B7FD14H7DS452025....anybody know a way to identify tranny with vin number? thanks for any help

Re: identify transmission by vin number? [Re: DadsVan] #733095
February 15th 2018 5:42 pm
February 15th 2018 5:42 pm
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Posts: 11,783
Fircrest, WA
Reed Offline
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Reed  Offline
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Is the hood present? Is the factory option sticker still on the bottom of the hood? The sticker should list the transmisison. However, it alost certainly is a 904T, 904 HD, or a 999, all of which are the smaller of the two possible auto transmissions. A 727 was available in 83, but only on very heavy duty packages. I seriously doubt that an 83 Dodge 150 pickup will have a 727 fromt he factory.


Windows- they're what make a van worth owning!
Re: identify transmission by vin number? [Re: DadsVan] #733096
February 15th 2018 6:22 pm
February 15th 2018 6:22 pm
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Posts: 11,783
Fircrest, WA
Reed Offline
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Reed  Offline
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Vin number does not give transmission ID. It tells you tghe engine, but not the trans. D150, Miser package, Slant six, so if it is an auto it is almost certainly a 904.


Windows- they're what make a van worth owning!
Re: identify transmission by vin number? [Re: DadsVan] #733189
February 17th 2018 8:19 pm
February 17th 2018 8:19 pm
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DadsVan Offline OP
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you nailed it....went and looked today....def a 904....will shoot ya a detailed gig sheet tommorrow and really looking forward to this if it is possible...

Re: identify transmission by vin number? [Re: DadsVan] #733530
February 27th 2018 6:33 pm
February 27th 2018 6:33 pm
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Tucson,Az.
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Hasan Ben Sobar Offline
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Small block 727's are out there. Best auto ever made. If the clock isn't "ticking" on you , hold off 'till you find one.


Tucson-it's a dry heat...like an oven
Re: identify transmission by vin number? [Re: Hasan Ben Sobar] #733706
March 04th 2018 2:22 pm
March 04th 2018 2:22 pm
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Miyagi Offline
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Originally Posted by Hasan Ben Sobar
Small block 727's are out there. Best auto ever made. If the clock isn't "ticking" on you , hold off 'till you find one.


I find it's a guarantee that it'll be attached to a 318, which is dirt common, 360 a little less common. Lots of old Chryslers use the 727, check basically any v8 vehicle by Chrysler/Dodge/Plymouth pre-late 80's.
I don't know if the cast-iron housings use the same bolt pattern as the aluminum, so you might need to avoid A-blocks and stick to LA block V8s. Basically, stay out of the 60's era cars (if they can be found at a sane price, anyway)

Re: identify transmission by vin number? [Re: DadsVan] #733709
March 04th 2018 5:03 pm
March 04th 2018 5:03 pm
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Fircrest, WA
Reed Offline
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Small block 727s are fairly common, even into the 80s. The 727 non-lockup trans stayed in use by Chrysler until the 90s as a heavy duty application transmission. Big blocks went out of production in 78 or 79, so ay post-70s 727 will be a smallblock case. The LA- eninge trans bolt patter stayed the same form the introduction of the 273 in 1964 through the end of production of the magnum motors in the 2000s. The A500/ and A518 are directly based on the 904 and 727, respectively, and share the smallblock bolt pattern.

727s were also made for slant sixes. However, 727s are really overkill for pretty much any slant six application. The internal parasitic power loss that comes from a running a 727 do not justify using one behind a low-power application like a slant six. Even assumig you have a race-only hot slant six, it probably won't be making more than 300 HP. A 904 is more than capable of handling that much horsepower.

The 727 is a great trans, but not the "best" trans for use behind a slant six. I have a 1976 D100 pickup that came from the factory with a slant six and a 727 and I will be removing the 727 and installing a 904 to improve performance and fuel economy. I would love to get one of the A100 factory adapters that would let me mate a 225 to a smallblock 727, because then I could run an A500 and get an auto trans with overdrive.

Even in high-performance V-8 applications the 904 is often a better choice. It is lighter, uses less power to operate, and can handle serious horsepower when built properly. Whether you are chasing 1/4 mile times or MPG, the 904 is very often a better choice than the 727 simply becasue the 727 trades efficiency and weight savings for durability.


Windows- they're what make a van worth owning!
Re: identify transmission by vin number? [Re: Reed] #733775
March 06th 2018 4:44 pm
March 06th 2018 4:44 pm
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Miyagi Offline
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Originally Posted by Reed
Small block 727s are fairly common, even into the 80s. The 727 non-lockup trans stayed in use by Chrysler until the 90s as a heavy duty application transmission. Big blocks went out of production in 78 or 79, so ay post-70s 727 will be a smallblock case.



Except for RVs. All those leftover 440's and big block 727's got sold in RV chassis well into the 80's, van-type and class A motorhomes both, with heavier duty cylinder heads.



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