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Username Post: BOP 200-4r?        (Topic#374467)
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-08-24 03:58 PM - Post#2866712    

Hey all!

I just realized I have a PERFECT 1956+ 235 st a family members. PERFECT. I wouldn’t mind it behind the BOP 200-4t my buddy is selling me on cheap. But I’m assuming such an adapter, if it exists, is absurdly expensive?


I looked at a 292 yesterday that was no good. May have a 230 lined up but it’s 6 hours away… not sure exactly what I’ll end up with but I know it’s a six and I know it’s an overdrive automatic. And I pray it’s not $$$$$$$. I can’t wait to drive my car again

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 


z28summit 
Contributor
Posts: 213

Reg: 06-11-14
02-08-24 08:32 PM - Post#2866723    
    In response to drew1987

I purchased an adapter from Langdons for my 200-4r



 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-08-24 09:57 PM - Post#2866727    
    In response to z28summit

For which motor? Thanks!

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
z28summit 
Contributor
Posts: 213

Reg: 06-11-14
02-08-24 11:22 PM - Post#2866730    
    In response to drew1987

1958 235



 
GreatNorthWoods 
"9th Year" Silver Supporting Member
Posts: 1609
GreatNorthWoods
Age: 82
Loc: Littleton, New Hampshire,...
Reg: 03-31-02
02-09-24 06:32 AM - Post#2866734    
    In response to drew1987

You should be able to find a BOP adapter to Chevy 235 engine for around $50. It's just a plate.

Vern

1953 Chevy Belair Sport Coupe - 355 Chevy V8, 700-R4, 4-wheel disc brakes, Ididit column, cruise/tilt,'59 Vette Steering Wheel, A/C

1930 DeSoto CK Business Coupe- 350 Chevy Crate V8, 4-wheel disc brakes, TH400, S-10 Rear, Heidt's IFS, A/C


 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-09-24 07:12 AM - Post#2866735    
    In response to GreatNorthWoods

Really!? Everybody says, not just here but all over the Internet as I Google, that it is absurdly expensive to put a turbo 350 Chevy transmission behind one of these 235s, I assumed it would be even more expensive to put a BOP 200 4r


I watched some YouTube videos last night about guys making their own adapter plates for Crazy applications, like putting LS with Toyota transmission, one guy put the 2.6 L turbo Nissan skyline engine with that new six speed Toyota in that little car that’s a joint venture with Subaru… They made them with basic tools. Precision came from finding center punches the exact same diameter as the dowel holes…

That said, I thought that was my worst case scenario. I can’t even find BOP-235. I guess I’ll see if Langdon has one… Thanks. Feel free, anybody, to post one if you know where one exists. Appreciate you all

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
z28summit 
Contributor
Posts: 213

Reg: 06-11-14
02-09-24 07:14 AM - Post#2866736    
    In response to drew1987

Langdons kit cam with a new starter, flywheel, plate and the hardware. I'm sure there are others out there.

Make sure to grab a 2004r with both BOP and Chevy mounting options. That's what I did... Although I might go with a 700-r4 now.



Edited by z28summit on 02-09-24 07:17 AM. Reason for edit: No reason given.

 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-09-24 07:36 AM - Post#2866738    
    In response to z28summit

By the way, the reason I am bouncing around a little bit I should share:

I want a 292 and an automatic overdrive. But the 292 is just for the cool factor. I don’t need the power. A 250 or a 230 will work

I have a pretty much brand new 1956 235, and I’m trying to get a guy to sell me a three speed Borg Warner overdrive for a realistic price (all of these parts I am talking about are a very little value, but Facebook marketplace has ruined this hobby)

The missing piece of the puzzle? I also have a 1954 Chevy truck that I am going to put together. So if I found a really good deal even on three or 46 cylinders and a couple extra transmissions, between those two cars, building them, and keeping them going for the rest of my life and hopefully my sons, I would jump on anything that kind of makes sense lol

What I’ve got so far other than a major bug up my butt to drive my car this spring, is that 235 and a metric 200 Oldsmobile transmission… I’m not opposed at all to using them together, if that’s what it comes down to.

I think using that 235 gently, and maintaining it with good oil etc., it should give 100,000 miles like anything else. Yes the 230 and 250 and 292 are much better motors, but that doesn’t help if I can’t find one ha ha

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
Shepherd 
Valued Contributor
Posts: 3442

Loc: Lake George, NY
Reg: 11-11-15
02-09-24 12:47 PM - Post#2866746    
    In response to drew1987

The metric 200 had a lot of failures. When I worked for GM, the reverse planetary shell was a common failure, putting car in reverse, cold at high idle caused most of the problems. Stripped the splines or the lugs in the housing.



 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-09-24 12:58 PM - Post#2866747    
    In response to Shepherd

i'm not opposed to an update via rebuild, or still no good?

thanks for the warning =)

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
54delivery 
Contributor
Posts: 153

Loc: Salem, OR
Reg: 11-19-13
02-09-24 01:24 PM - Post#2866750    
    In response to drew1987

Steve at Buffalo Enterprises makes a very reasonably priced adapter to put a 200R4 behind a 235 or 261. I used one of his kits, which I think also came with a modified flexplate as well, when I put a blown 261 in my 54, 210 two door.
Worked very well and Steve's parts are right on.
Here's a link"

https://www.inliners.org/buffalo/



Edited by 54delivery on 02-09-24 01:25 PM. Reason for edit: No reason given.

 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-09-24 01:45 PM - Post#2866751    
    In response to 54delivery

Thank you! At least that gets me down the road if I don’t end up finding the newer six cylinder that I want.

The 50 sedan will definitely be getting some big miles put on it, so I hope to find a 230 or a 250. The old truck is more just for Going to the garden store or Lowe’s or whatever. My wife stole my tundra

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
Shepherd 
Valued Contributor
Posts: 3442

Loc: Lake George, NY
Reg: 11-11-15
02-09-24 03:31 PM - Post#2866752    
    In response to drew1987

Overall it was under engineered, not well designed in gas applications for engines with moderate torque potential.



Edited by Shepherd on 02-09-24 07:43 PM. Reason for edit: No reason given.

 
54delivery 
Contributor
Posts: 153

Loc: Salem, OR
Reg: 11-19-13
02-10-24 02:09 PM - Post#2866779    
    In response to drew1987

Probably good she stole your Tundra...now you don't have drive around in "frozen dirt".
Maybe time to look at the all new very cool (tongue in cheek) Nissan Permafrost!




Edited by 54delivery on 02-10-24 02:16 PM. Reason for edit: No reason given.

 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-10-24 02:27 PM - Post#2866781    
    In response to 54delivery

Shepherd which that truck. You can tell it was engineered by the same guy who made the Camry so smooth and reliable but it is a monster with towing, and it doesn’t mind going off the pavement.

I’m not exactly sure how the dust is going to settle with this one. I think she is going to end up in a 1 ton GM or Ford, crew cab six passenger with the medium size box. or a sequoia. She’ll realize real quick my “Double cab“ is a little bit tight with all six of us

Boy this is quite the adventure trying to lineup all of these parts. 10 years ago, when I built this car, these six cylinders were everywhere for just about free because nobody wanted them, and the transmissions weren’t hard to find between two and $400. Seems Facebook marketplace, as well as just all around deterioration of human communication has ruined the hobby a little bit

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
z28summit 
Contributor
Posts: 213

Reg: 06-11-14
02-10-24 04:39 PM - Post#2866787    
    In response to drew1987

They came in Corvettes. Have to make sure the TV cable is set right, there is no vacuum modulation



 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-10-24 04:49 PM - Post#2866788    
    In response to z28summit

Oh yes! The longest time I was trying to avoid them and the 700 thinking I would just do 4L 60 E and get a computer and throttle position sensor, but it’s pretty darn cost prohibitive, and even if it wasn’t, I want to go back to Simple. I will definitely look up how to adjust those cables. This spring I have to do it on a vintage Toyota, that’ll be my practice

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
50hotrod 
Frequent Contributor
Posts: 1089
50hotrod
Loc: Wisconsin
Reg: 07-25-11
02-11-24 10:32 AM - Post#2866797    
    In response to drew1987

Drew,
I thought you had a small block and auto trans in your car now ?

If so, a 230/250 6 cyl. would be a bolt in installation with exception to the radiator/water pump clearance.

1950 CHEVY 2 DOOR 327 TRI POWER FENDERWELL HEADERS HEIDT FRONT SUSPENSION 700R4 TRANS 411 REAR



 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-11-24 10:56 AM - Post#2866799    
    In response to 50hotrod

Good memory =)

Not thinking I want to use a non-overdrive which is why I think I'll shelf the TH350. Its got 22,000 miles on it give or take so worth saving.

I think 250 and th200-4r is the way i'll go. Might just throw a 3 speed and '56 235 with open drive and a 3.08 in the 54 truck. Those 3speed overdrives are fragile I hear, and very hard to find

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
50hotrod 
Frequent Contributor
Posts: 1089
50hotrod
Loc: Wisconsin
Reg: 07-25-11
02-11-24 01:21 PM - Post#2866805    
    In response to drew1987

Drew, Both 200/700 transmissions would be ok for the type of driving you do. As I remember, you just want to cruise and occasionally goose it once in a while.

I ran a 700R4 behind my built 327 with 411 gears for 6 years. Never had a trans problem. I did have a transmission shop look it over before hand and install a manual converter lockup valve. No electrical was needed for lockup then.

If you can get your hands on either transmission, I wouldn't be afraid to run it. Just make sure the kick down cable is correctly installed to maintain the correct pressure in the trans.

With the 411 rear gears in mine, she was at 2300 to 2400 rpm's at 60 MPH in overdrive. It had all the power you needed during take off too. Something your 6 cyl. is going to need.

I should add I was running a tall tire too. 28 diameter if I remember correctly.

1950 CHEVY 2 DOOR 327 TRI POWER FENDERWELL HEADERS HEIDT FRONT SUSPENSION 700R4 TRANS 411 REAR



Edited by 50hotrod on 02-11-24 01:24 PM. Reason for edit: No reason given.

 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-11-24 01:27 PM - Post#2866806    
    In response to 50hotrod

Thanks!

I lined up a 3.73, which will free up my 3.08 to go in my truck which is looking like it wont have overdrive. Oh what I would give for a month in a larger heated space with both vehicles and the parts to do what I want. Maybe thats my garage in Heaven. Sure aint here haha

I was going to rig up an automatic control for the lockup. I think I remember how to do it as I almost used a TH350c (350 with a lockup)


Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
Tony 
Founder & Grand PoohBah
Posts: 19066
Tony
Loc: Georgetown, Texas
Reg: 03-15-99
02-14-24 05:24 AM - Post#2866879    
    In response to drew1987

Great discussion and interaction guys. I try to follow along and learn with a lot of the threads here. What's BOP?

Happy with the help and support you got here?
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eplantage 
Valued Contributor
Posts: 2659

Loc: Southern MN
Reg: 03-15-04
02-14-24 05:47 AM - Post#2866880    
    In response to Tony

Buick-Olds-Pontiac

Age: 70 at the moment
1950 Chevrolet Sedan Delivery
1953 BelAir Convertible Project
2002 Heritage Springer FLSTSI
1930 Model A Standard Coupe
US Navy Seabees EO2 77-83, 86-88


 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-14-24 06:48 AM - Post#2866882    
    In response to Tony

The one on the right, see how the top of the bell is a swoop like a suspension bridge? That’s the BOP pattern. I’m sure General Motors had their reasons, but from where I’m standing at this moment, an unnecessary complication of things lol. The one on the right is the standard V-8 bells housing from Chevy. Should be the same from 1955 until now-ish. At least 6l8e I think. The 63+ i6 too. 194/230/250/292

Attachment: IMG_0650.jpeg (31.33 KB) 16 View(s)




Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


Edited by drew1987 on 02-14-24 06:50 AM. Reason for edit: No reason given.

 
Tony 
Founder & Grand PoohBah
Posts: 19066
Tony
Loc: Georgetown, Texas
Reg: 03-15-99
02-14-24 06:48 AM - Post#2866883    
    In response to eplantage





 
Kyle G. 
Silver Supporting Member
Posts: 147
Kyle G.
Age: 28
Loc: Delanco, New Jersey
Reg: 11-29-15
02-14-24 07:37 AM - Post#2866886    
    In response to drew1987

I don’t know if there is a bell housing that can adapt to your desired engine, but there is an R11 transmission on eBay right now.
https://www.ebay.com/itm/176216947081?itmm eta=01HP...



Edited by Tony on 02-14-24 08:42 AM. Reason for edit: As an eBay Partner, ChevyTalk may be compensated if you make a purchase

 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-14-24 07:40 AM - Post#2866887    
    In response to Kyle G.

that would definitely be for the truck, if anything. The truck is going to stay a manual. For durability sake, I was just going to run a regular three speed and use 3.08 gears, 3.23 or 3.55 if it doesn’t have enough get up and go. I would love to have one of these, and run 373 gears. That’s the best of both worlds, but I hear these aren’t particularly durable… And with how rare they are and how expensive they are, that might be a bad combination. I just do not want a stick coming up through the floor, or I would put a five speed in it and be done

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
Kyle G. 
Silver Supporting Member
Posts: 147
Kyle G.
Age: 28
Loc: Delanco, New Jersey
Reg: 11-29-15
02-14-24 09:37 AM - Post#2866892    
    In response to drew1987

Yeah… I’ve already ‘grenaded’ my overdrive twice now. The overdrive planet gears are not tolerant of low oil level and will overheat and deform if oil leaks aren’t addressed. On the plus side the other components were able to take the huge shock loading of the overdrive planetary gears locking up at 75 mph and automatically downshift to direct drive without shearing the driveshaft. It did put a good twist in my unhardened modified output shaft though. I’m going to have to tear down my destroyed gears and identify if the planet gears have needle bearings or a bushing of some sort. They may just be hardened steel riding directly on a steel pin.

1950 Chevy Styleline Deluxe w/ '60 235 engine and '58 torque tube 3-speed overdrive with 3:55 gears in the back

1946 Willys CJ-2A


Edited by Kyle G. on 02-14-24 09:40 AM. Reason for edit: No reason given.

 
drew1987 
"11th Year" Silver Supporting Member
Posts: 3918
drew1987
Age: 37
Loc: Western NY
Reg: 02-23-14
02-14-24 09:46 AM - Post#2866893    
    In response to Kyle G.

that SUCKS. Its such a shame they are rate and weak becuase overdrive is probably more important to most than power steering or brakes - the latter two are used maneuvering around but the overdrive is the ENTIRE time you are cruising. I will LIKELY be able to report back and say how a 1956 235 and 3 speed does in a truck with 3.08:1 gears. HOPEFULLY well. I know with 27" tires, 3.08 is tollerable on the highway. But thats with a v8 that doesnt suffer in 1st gear. 3.73 and 0.7:1 OD would be delightful



nevertheless, stock up on these transmissions if its your choice - everything is getting rare and facebook marketplace mentality is destroying this hobby the way facebook mentality is destroying society

Andrew D. Carapella (Drew)

1950 Chevy Styleline Deluxe
1954 Chevy 3100
Various other "modern classics"


 
Kyle G. 
Silver Supporting Member
Posts: 147
Kyle G.
Age: 28
Loc: Delanco, New Jersey
Reg: 11-29-15
02-14-24 12:03 PM - Post#2866900    
    In response to drew1987

Well, for your truck I would probably think about using a 4 speed transmission with granny gear and possibly a 2.73 gear from a Nova supposedly. I assume you’re going to replace the torque tube rear axle for something more modern anyway. That gear combo should be close to the equivalent of 3:55 with overdrive. In my car the overdrive ratio is excellent for cruising at 75 mph, although the car has just a little less torque in 1st gear than when it had 4.11’s. I’m not sure if you intend to be pulling stumps with the truck, but using a granny gear 4 speed with a tall rear end should be just fine for cruising and light hauling.

1950 Chevy Styleline Deluxe w/ '60 235 engine and '58 torque tube 3-speed overdrive with 3:55 gears in the back

1946 Willys CJ-2A


 


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