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-   -   231 V6 (https://www.hotrodders.com/forum/231-v6-192048.html)

professor229 02-05-2011 03:46 AM

231 V6
 
Hi... I have decided on a motor for an old 1928 Chevy truck out of a 1980 Chevy Camaro. It is a rebuilt Chevy 231 V6 with a TH350 tranny married to it and I will look at it on Monday. I can't go with traditional motor mounts (steering sector is in the way), so I have to use the standard front mount tubular system. I have seen this on many SBC motors, and I think it will work here, but now I am having second thoughts, and maybe I am out thinking myself, but the distributor is located in the front of the this motor, and on most all SBC motors the distributor is in the back. So, is the front block casting of this motor the same as all other Chevy blocks so the tubular cross member will mount to this motor? (PS... yes, I installed a different rear end too.... 1949 Ford with 3.73 gears; perches were the correct distance and it was in good shape). Please advise if you know anything about the 231 casting if you would. And thanks.

1ownerT 02-05-2011 06:19 AM

That 231 may have come out of a Chevy, but it is a Buick 231/3.8 with it's front mounted distributor. The front timing cover on those are aluminum.

joe_padavano 02-05-2011 07:48 AM

Is this engine a Buick-built 231 or a Chevy-built 229? Both are 3.8 liter engines. 231 has front distributor, 229 has rear distributor.

MARTINSR 02-05-2011 08:50 AM

In 80 there wasn't even a "Chevy" V6 from what I remember. Weren't all the GM divisions still using the Buick?

Anyway you look at it the 231 Buick was without a doubt the best V6 GM ever produced and put in a more cars at that time than the SMC I would think. It was THE motor of the future for GM.

Brian

professor229 02-05-2011 12:07 PM

Buick or Chevy 231
 
http://minneapolis.craigslist.org/cs...162566470.html

and as you can see, the distributor is in the front of the motor. I did do the research on this and this motor was used in a 1980 Camaro so I am fairly confident that this was the original motor even though it may be a Buick designed motor. I did run across a few others that said the Chevy and Buick 231 motors were NOT the same in many respects. I have no clue if they know what they are talking about.... All I need to know, because I cannot use the standard motor mounts (conflict with steering), that I wanted to know if anyone had ever installed a Speedway Motors front tubular mount system on this motor and if the bolt holes are in the same location IF it is a Buick design. I have a friend with this system installed and tomorrow I am going over to measure everything, but I will be driving over 150 miles to look at this motor and don't want to do that if someone says the casting of this block is completely different than a SBC... please advise if you have installed one this way... and as always... thanks

LATECH 02-05-2011 03:19 PM

Professor , they are 2 different engines built by 2 different car companies headed up by general motors, the have very few similaritys. they are what they are.I had pontiacs with chevy engines , chevys with oldsmobile engines, buicks with oldsmobile engines. all from the factory that way.Even cadillac put chevy engines in some cads and olds engines also.I could go on for days.

LATECH 02-05-2011 03:23 PM

they did put chevy v 6 engine in the year camaro you have . They called it a 3.8 also. It was 229 cubic inch. the buick was 231 cubic inch. The bell housing bolt pattern is different on the buick from the chevy.as well as the exhaust,radiator ,motor mounts, etc ... I could go on for days.
I would also like to add that NEITHER ONE was any kind of performance motor. They ran the car up and down the road thats about all I can say.
You would be much better off starting with a chevysmall block and if you wanted a vintage look find an original motor mfor it.Good luck :D

cobalt327 02-05-2011 03:28 PM

Quote:

Originally Posted by professor229
I did run across a few others that said the Chevy and Buick 231 motors were NOT the same in many respects. I have no clue if they know what they are talking about.... All I need to know, because I cannot use the standard motor mounts (conflict with steering), that I wanted to know if anyone had ever installed a Speedway Motors front tubular mount system on this motor and if the bolt holes are in the same location IF it is a Buick design. I have a friend with this system installed and tomorrow I am going over to measure everything, but I will be driving over 150 miles to look at this motor and don't want to do that if someone says the casting of this block is completely different than a SBC... please advise if you have installed one this way... and as always... thanks

The front motor mount set-up as used on SBC and 90 degree Chevy V6's (200 cid, 229 cid and 4.3L) will NOT work on a Buick 231 cid/3.8L V6.

The engines (229 Chevy V6 and 231 Buick V6) are entirely different entities, they share virtually nothing parts-wise and castings are totally different. About all they DO share is a 3.8L designation.

The Chevy 229 is 3/4 of a SBC 305, and is a dead end, performance-wise.

The 3.8L Buick was still being made in different permutations until recently- if not still.

The 3.8L Buick can be made into a high performance engine, but it costs money.

bigdog7373 02-05-2011 09:07 PM

Let me tell you, you will be much happier if you use a new style engine in the truck. The ols school style may seem cool now but its not. I wish every day that i would have put and ls engine in my car instead of a small block chevy. Increases the value a lot. The cool thing is that you can use any engine you want. Just my suggestion to you. Do with it what you want.

professor229 02-06-2011 03:43 AM

Thanks
 
Thanks to everyone for clearing all this up... I sent an email to the seller asking for a couple of pictures of the front of the motor, got them, and instantly knew it was not going to work. I am going back wikipedia and read some more about chevy blocks and V6 motors so I can select something with the correct block or ask Speedway again what to use. I grew up with SBC motors and a V8 will not work because of space issues and I am not going to move the firewall back the 6" needed for clearance. I am also not interested in performance right now; those days are gone and I have a couple other vehicles that get that rush done if I need it. I was/am looking for a V6 to get me down the road at the speed limit or a little better; and that is/was my goal for now. Next up is a 2.8 liter in Iowa.... but I need to ask a few questions here too. One thing that would be helpful. Someone posted three chevy engines that are shorter versions of the SBC motor.... one is a 4.3 and I have had several of those in other vehicles. Can anybody list out, for sure, the V6 motors that have the shortened block? Thanks again.....

SSedan64 02-06-2011 04:18 AM

There's nothing wrong with the 3.8 V6. Could you use some universal joints to move the Steering shaft?
Stay away from the 2.8 V6, not good. 2.8, 3.1 & 3.4 are 60* Degree V6 engines. The 3.4 is a good engine. 90* V8 & V6 Trans don't bolt up to the 60* engines.
The 4.3 V6 is basically a 350 V8 minus 2 cylinders.

MARTINSR 02-06-2011 07:31 AM

How about an inline six like the truck originally had! (I believe in 28 that truck would have had a six). You should NOT have to move the fire wall, the engine compartment is a mile long.

An old 250 inch inline six from 1962 up will bolt to any "chevy" trans like a TH350 (dirt cheap) and work great.


http://www.novaresource.org/gallery1/63johnk3.jpg

http://i258.photobucket.com/albums/h...ruck/018-4.jpg

In looking for a stock 1928 Chevy six engine photo I found that your truck may very well have had a four.

http://pics.hoobly.com/full/O5681GNJBI54LA8D13.jpg

So how about a little four banger, they do propel the cars they came in over the speed limit. :D

A late model engine of course is the easiest but how about the classic and great little Ford Pinto? They are still popular in everything from dune buggies to airplanes!

http://www.novak-adapt.com/images/pi...ord_2300cc.jpg

The ultimate best choice in my opinion isn't going to be easy to find, but not impossible! I saw a complete running stock motor at one of the last swap meets I went to for $400 (as I remember it was $400), the "Chevy II" four cylinder. It is basically a six with two less cyl and shares many internal and valve train components with a SBC! I have an old friend (He just "friended" me on Facebook after not seeing him in about 20 years) with a Cool little chopped 34 Ford pickup with one of these motors bolted to the stock Ford drivetrain with an adapter. He drove it every day for years.

http://image.chevyhiperformance.com/...engine_bay.jpg

How about a pair of these little engines in a dragster! GREAT little motor, and like the later six will bolt up to any Chevy V8 trans or bell housing. (from what I remember, do your homework)

http://i29.photobucket.com/albums/c2...5/311_1155.jpg

There are lots of options for you and your little Chevy truck. Is it a "little" truck or is it a big truck? Did it originally have a four or a six?

Brian

LATECH 02-06-2011 08:13 AM

well there ya go. That little 4 cylinder 153 engine looks perfect and could be "dressed" with oil bath air cleaner and stuff to give it a vintage appearance.sweet. :D best of all its a chebby goin into a chebby.
You could flip the intake upside down and use an updraft carb and such to at least make it look old timey.

MARTINSR 02-06-2011 08:25 AM

Yep, GREAT little motor!

Brian

matt167 02-06-2011 11:28 AM

I wouldn't use a 153. I would use the marine version ( also far more common ) which is a 181/ 140hp stock.. among the increased displacement, the cylinder head is better.. all the same speed and dress parts fit it..

There is also the Mercruiser 3.7L 400 series. there an inline 4cyl, that use a 460 Ford cyl head.. the only 1 I know the spec on is the 488, and that is 170hp/ 4bbl carb. not so much is available but they are strong runners/ have been put in hotrods and Ford Racing sold the blocks in the 80's for retrofits. there a mercruiser design, but Ford provided the tooling


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