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| 198 vs 225 blocks, how do you tell the difference? https://slantsix.org/forum/viewtopic.php?t=31486 |
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| Author: | 23C1B [ Sat Oct 04, 2008 7:49 am ] |
| Post subject: | 198 vs 225 blocks, how do you tell the difference? |
Hi all: I was wondering what the easiest way to tell the difference between a 198 and a 225 is. I assume they have different part numbers cast into the block. Does anyone know what the seven digit part number casting in a 198 is and also for a 225? Any other ways to tell that I should know about. If it matters, the blocks in question are from the 1970 production year. Thanks for your help! |
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| Author: | slantzilla [ Sat Oct 04, 2008 7:58 am ] |
| Post subject: | |
Other than the cubic inch stamp there are no differences between a 198 and 225 block that I am aware of. The only actual differences between motors at all is the crank and rods, everything else is the same.  The ci stamp will be on the flat pad at the front top section of the deck behind where the alternator bracket bolts on. |
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| Author: | 23C1B [ Sat Oct 04, 2008 9:12 am ] |
| Post subject: | |
Slantz: Here is my situation. I have found a 70 Challenger 198 coupe car that I would like to by. But the original motor and transmission are gone. I am searching of another 198 motor that would have originally come out of another 70 E Body car. I posted on another forum looking for a motor out of a 70 E Body. Someone has one but he doesn't know if it is a 198 or a 225. Hence the post. I just checked my part book, the part number for both block is identical. Could you email me or post a picture of that stamping on the block you mentioned? I tried to clean off the area you mentioned, on my bock, i is really greasy and oily, I can't make out any numbers. My email is: es179@telus.net |
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| Author: | Doctor Dodge [ Sat Oct 04, 2008 9:35 am ] |
| Post subject: | |
Keep cleaning.... Here is a photo of what the number stamping looks like. In the real world, no one will know a 225 from a 198 so as long as it's a 1970s type "RG" block, you will have something that looks "original" DD 
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| Author: | slantzilla [ Sat Oct 04, 2008 10:15 am ] |
| Post subject: | |
Not sure what year it started, but there is an identical pad at the rear of the block that has the VIN number stampings on it too. I don't think it was there in '70 though. If you have the block decked, you can stamp any numbers you want on it. My buddy's Dart motor has 231DMS on it. 
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| Author: | terrylittlejohn [ Sat Oct 04, 2008 3:17 pm ] |
| Post subject: | |
don`t rely on #` on the block have the guy selling it to remove the base pan and measure the rods then you will know for sure . the only 198 i came across up here was clearly stamped 225 but when i got it apart and at the machine shop it turned out to be a 198. 
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| Author: | Valleyant [ Sat Oct 04, 2008 6:39 pm ] |
| Post subject: | |
Hi, This should help too, don't narrow your search to an original 198 CID slant six from an E-body....there were alot more 198's installed in A-body cars. Tell us more about the car you found (options and color etc)...that has got to be a pretty rare car. ....nico |
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| Author: | Eric W [ Sat Oct 04, 2008 7:24 pm ] |
| Post subject: | |
This must be a Challanger Deputy your looking at? I've only seen one slant six powered E body. It was a '70 Convertible with a 225/3spd floor shift. |
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| Author: | 23C1B [ Sun Oct 05, 2008 7:11 am ] |
| Post subject: | |
These cars were made at two different plants in the 1970 model year. Los Angeles(seventh digit on VIN will be an "E") and Hamtramck/Detroit(seventh digit on VIN will be a "B"). The one I am looking to buy ws made in Detroit. I am trying to find a motor AND three speed transmission that have matching VIN and are both stamped with a Detroit VIN. I don't think that the A Body three speed trans. is the same as the E Body one. That is why I am hoping to find an E Body one. All 198 Bodies are coupes. The Challengers were called Deputy's(only in 1970, I think, they were also just known as Coupes in 1971) and the Barracuda's were Coupes in 1070 and 1971. All such cars were designated A93 on the fender tag and broadcast sheet. The 198 was the base motor offered. Optional motors were 225, 318, 383+2 and 383+4. If the car did not have the A93 code then it was a "regular" Barracuda or Challenger. NO 198 convertibles were made as all A93 cars were coupes. The A93 equipped cars were introduced at the end of Feb, 1970, so they were basically a mid-year option that carried into all of the 1971 model year. There were several differences between 1970 A93 cars and 1971 A93 cars. If anyone is interested, I will start a separate post and list them. The car I am interested in is fairly basic, 198 three speed with dual mirrors, console and bucket seats with AM radio. I have a 71 A93 225 three speed Barracuda mntioned below all my posts. I also have a non-A93 225 three speed 70 Challenger. I hope this answers all the inquirys! |
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| Author: | 23C1B [ Sun Oct 05, 2008 7:14 am ] |
| Post subject: | |
I guess I should ask: Do all 198 and 225 blocks made in 1970 and 1971 have the partial VIN stamped into them like V8 motors do? If they do, where is the stamping located on the block? Thanks! |
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| Author: | DusterIdiot [ Sun Oct 05, 2008 8:38 am ] |
| Post subject: | Yep... |
Quote: Do all 198 and 225 blocks made in 1970 and 1971 have the partial VIN stamped into them like V8 motors do? If they do, where is the stamping located on the block? Thanks!
Yes same location like the V-8 cars, down by the oil pan rail, on the passenger side of the block... as far as I know I've seen this back to '67 or so... time to get out that grinder and punch set so you can make a numbers matching car.... -D.Idiot |
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