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 Page 1 of 2 12
Username Post: The venerable 267 V8!        (Topic#13626)
Anonymous 

02-04-02 10:59 AM - Post#90680    

Hey all,

I just wanted to bring up the subject of GM's masterpiece that is (was) the 267 cubic inch monster produced in the late 70's early 80's (from '79 to '81 I think).

I don't want to start any flame wars or anything other than simple discussion on the history and technical info of this "fine" piece of american iron.

I personally have one between the fenders of my '65 LWB truck right now. As underpowered as it may be, with the 4.11 rear gears (I assume) in that truck, I could still pull a pretty good load and have several times. Keep in mind, this is a Light 1/2 ton truck, so it's not pulling stumps or anything.

Does anybody else have one of these gems? What did they come in origionally. I know I've seen a few origionals in Malibus. I think they may have come in monzas...possibly.

I figure it may not be good for power, but on the flipside; it can't make enough power to tear itself up either

Why was this conglomeration/*******ization created? Was it smog motivated?

anway, hopefully this is a reasonable forum for this topic.


Thanks
Clem

------------------
Who has time for procrastination? We’ll get to that later.



 




Ray_McAvoy 
Very Senior Member
Posts: 1755

Loc: Sherman, ME, USA
Reg: 07-25-00
Re: The venerable 267 V8!
02-04-02 11:19 AM - Post#90681    
    In response to

Hi Clem,

From the info that I was able to dig up, they were built from 79 - 82.

I would assume that smog and/or gas mileage issues played a large role in GM's reasons for building these engines.

Speaking of these somewhat "obscure" small blocks, anyone remember the 262 that was used in some 1975 (and maybe '76) vehicles?

'74 Nova (350/TH350), '77 Nova (305/TH350), '88 Olds Ciera (winter beater)
http://rmcavoy.freeshell.org


 
loudpedal 
Super Senior Member
Posts: 5010

Loc: corner of Walk & Dontwalk...
Reg: 07-28-00
Re: The venerable 267 V8!
02-04-02 11:25 AM - Post#90682    
    In response to Ray_McAvoy

Yup... both were a skeleton in Chevys closet.... along with the Merry Oldsmobile of 260 c.i. and 700 pounds....and others that are too obscure to remember.

Probably one of Roger Smiths deals.



 
DragRacer383 
Super Senior Member
Posts: 4807
DragRacer383
Age: 9
Loc: Arkansas
Reg: 07-17-01
Re: The venerable 267 V8!
02-04-02 11:35 AM - Post#90683    
    In response to loudpedal

I know they came in 81 monte's.
"venerable" is one thing I haven't heard them called.

------------------
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Later,Glen


 
55Redneck 
Ultra Senior Member
Posts: 14499

Age: 57
Loc: Hedley B.C. Canada eh!
Reg: 06-24-00
Re: The venerable 267 V8!
02-04-02 12:11 PM - Post#90684    
    In response to DragRacer383

Mama used to have a 79 Malibu with a 267. I used to get passed up hills by Pinto's. Man was it a dawwwg!!!

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SteveStreeter 
Needs to Get Out More Member
Posts: 8394
SteveStreeter
Loc: Kettle Falls, WA. USA
Reg: 01-19-01
Re: The venerable 267 V8!
02-04-02 12:44 PM - Post#90685    
    In response to 55Redneck

The engine I pulled from my Malibu was this 267 you speak of. It was a dawg alright so I installed the 390hp 360 you see below and it cooks now. The old engine has only been an eyesore in the past. Now I have decided to rebuild it after seeing one fellow who still has the 267 in his '78 Bu. He's been turning in quarter mile times in the 13's with it. (no bottle/no boost)

------------------
99TransAm/Stock and a blast to drive
97K1500SportSide/Ext
79MalibuClassic/390hp, 10.2:1 C/R pump gas sbc 350/2300 stall 700R4
69elCamino/454/700R4/12bolt
52Chev 1 ton Flatbed not started yet but 305TPI/700R4
47ChevPU 80% on chassis SBC/TH350/Mustang front suspension/Camaro rear
Mechanic since 1966
USN-'66-'70
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Industrial '79-'01
As A Hobby 1954-200?
Currently an AutoTech Student to update to electronic controls.
Target is for a 2yr degree.

Steve


 
malibu101 
Very Senior Member
Posts: 1755

Age: 50
Loc: Walnutport PA
Reg: 11-20-00
Re: The venerable 267 V8!
02-04-02 03:41 PM - Post#90686    
    In response to SteveStreeter

I'm running the wonderful 267 in my "79 El Camino daily driver. I rebuilt it when I bought it, 7 years 94K miles ago. Nothing fancy, just proper work all around. Only thing extra was the heads needed guides and exhaust seats and a matched Crane cam with roller rockers. It is THE most dependable engine I've ever had. Certainly no powerhouse by any means but it pulls my junkyard finds home just fine. The 2-barrel keeps the gas mileage good too.



 
Anonymous 

Re: The venerable 267 V8!
02-04-02 04:09 PM - Post#90687    
    In response to malibu101

I had a friend who had a 75 monza with a 262 2 barrel talk about slow.You could nail the gas and it wouldnt do anything just SLOWLY go a little faster.Of course it wasnt in top running shape either.

The 267 use's the same stroke as a 350 so maybe the cranks are interchangeable.



 
Glenn_McAtee 
Valued Contributor
Posts: 4521

Reg: 06-20-01
Re: The venerable 267 V8!
02-05-02 01:02 AM - Post#90688    
    In response to

267's found their way into some full size Impala's and Caprice's as well. Good economy motor in a nice light vehicle.

The "venereal" 262 was only made in '75 and part of '76 as stated above. It was a Monza only as I recall and had a 3.10" stroke. Everyone I ever saw was a dog but if driven with a feather foot could get decent mileage in a Monza. I wonder what one could do with a more modern cam profile and EFI backed up by a 200-4R or a 5 or 6 speed ? Hmmmm......



 
Anonymous 

Re: The venerable 267 V8!
02-05-02 02:42 AM - Post#90689    
    In response to Glenn_McAtee

Thanks all for the discussion. It's encouraging to know that a couple of you have rebuilt or are considering rebuilding this engine . The points about durability and mileage are probably good ones.

I obtained my engine under the hood of a FREE '78 regal that my father-in-law gave me (I used it for a hobby-stock dirt tracker). It was not the origional motor (had 3.8 badges on the car) and I assumed it was a 305 until I pulled it out and saw "267" clearly cast in raised letters on the block.

When I conglomerate my two trucks into one short wheelbase truck soon, I was thinking about doing a re-ring job on the engine and putting the automatic tranny behind it that it had in the regal and just drive it.

Sure, they don't make any real power, but they sound just as good as any other small block. And if they are dependable, how can you lose in a situation where no fuss dependability is the key?

It might also make a good "spare" motor for those of us who encounter engine changes more frequently than others. You know, one to keep in the corner in case your nice small block needs some work, but you can't have the car sitting immobile for weeks on end. Just a thought

Thanks
Clem

------------------
Who has time for procrastination? We’ll get to that later.



 
Anonymous 

Re: The venerable 267 V8!
02-05-02 06:37 AM - Post#90690    
    In response to

Ahh the old 267, that makes a 305 seem like a powerhouse.

It has tiny 3.5" pistons and the 3.48" stroke. Same crank as the 305 and 350 but much less counterweight.

Sure it's a small block, If you try hard enough it might make some power, but with a very poor bore/stroke ratio and a 3.5" bore will shroud even 1.72 intakes, plus it runs 1.3" exhaust valves. Really not worth building up, but if ya got a free one, keep running it I guess.

Hard to say what was worse, the 262 or the 267, maybe at least the 262 would rev with the 3.1" stroke Dunno??

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Anonymous 

Re: The venerable 267 V8!
02-05-02 10:57 AM - Post#90691    
    In response to

Didnt they bring back the 262 in the early 90s putting TBI versions in caprice cabs and such?They called it the 4.3 v8.



 
Ray_McAvoy 
Very Senior Member
Posts: 1755

Loc: Sherman, ME, USA
Reg: 07-25-00
Re: The venerable 267 V8!
02-05-02 11:24 AM - Post#90692    
    In response to

Hi Jed,

The 4.3L V8 used in 94 - 96 Caprice and 95 Caprice Wagons was actually 265 cubic inches (same displacement as the original small block). Here's an article that talks about this engine -- they refer to it as a "baby LT1" ...

http://www.malcams.com/legacy/misc/autorebuild.htm

And speaking of the 262, there was another 262 besides the 1975/76 V8 small block. That was the 4.3L V6 that was used in lots of later 80's and 90's cars and trucks.

'74 Nova (350/TH350), '77 Nova (305/TH350), '88 Olds Ciera (winter beater)
http://rmcavoy.freeshell.org


 
Glenn_McAtee 
Valued Contributor
Posts: 4521

Reg: 06-20-01
Re: The venerable 267 V8!
02-05-02 01:17 PM - Post#90693    
    In response to Ray_McAvoy

quote:
Originally posted by Ray_McAvoy:

And speaking of the 262, there was another 262 besides the 1975/76 V8 small block. That was the 4.3L V6 that was used in lots of later 80's and 90's cars and trucks.

Yeah, but that 262 hauls the freight ! The '75/'76 V-8 262 didn't..............





 
Global titan 
Forum Newbie
Posts: 1

Reg: 05-02-16
05-02-16 09:31 PM - Post#2625893    
    In response to

I currently have a 1981 Chevy Monte Carlo sport coupe. I've done some research and from what I've found it has a 267 in it. I've switched out carbs from a two to a four barrel. I plan on putting a dual exhaust on it to help it get a little bit more power. Is there any ideas? It runs good in first and second but bogs down bodaciously in third.



 
57tim 
Valued Contributor
Posts: 2989
57tim
Loc: Cameron, Wi, USA
Reg: 11-09-01
05-03-16 06:32 PM - Post#2626116    
    In response to Global titan

I think I had that dog in an 81 Pontiac Formula that wouldn't get out of its own way. In fact I pulled my snowmobile trailer with 2 600 lb sleds on it and with the little traction a Firebird/Camero has, I had no problem in the snow and ice with spinning the tires in the winter.

57 Bel Air 2dr Ht
327 700r4
http://www.picturetrail.com/tmneid


 
MikeB 
Ultra Senior Member
Posts: 10058
MikeB
Loc: Plano, TX
Reg: 08-28-03
05-04-16 03:27 AM - Post#2626154    
    In response to

The 267's 3.50" bore must have brought new meaning to the term "nail head" valves.

Yeah, a 305 would have been high performance, relatively speaking.

Now, I can see at least some performance potential with the L99 262 (3.736" x 3.0") in a light car, but 4.00" x 3.00 would be better! Sure would be nice if GMPP made 302 and 327 crate engines, or at least short blocks.

Found this on the Interweb:

https://en.wikipedia.org/wiki/Chevrolet_small- bloc...





1982 C10 SWB pickup: Unmolested base truck, original paint. Originally had 250 six and 3-on-the-tree
Now has 355 with Vortec heads, RamJet roller cam, LS6 beehive springs, TH350
Retired, but working part-time on 50s-70s cars & trucks.


 
56sedandelivery 
Dedicated Enthusiast
Posts: 5246
56sedandelivery
Age: 66
Loc: Everett, Wa.
Reg: 02-26-08
05-04-16 10:35 AM - Post#2626247    
    In response to MikeB

The era of the small CID corporate engines; the Chevrolet 262, 267, 305, the Olds 260, The Pontiac 267 and 301, at least it's over with. IF anyone made true flat top pistons for the 262 or 267, and they could take a good sized valve without being shrouded, there might be some hope. As far as the 305 goes, look up what some of the NHRA Stock Class drag racers are doing with them; E.T.'s in the ELEVENS! I am Butch/56sedandelivery.




 
pdq67 
Member
Posts: 470

Loc: Columbia, MO, USA
Reg: 08-31-02
05-05-16 05:28 PM - Post#2626556    
    In response to 56sedandelivery

Imho, the best of the economy engine lot back then is the old 307" engine.

It has a 3-7/8" bore x 3-1/4" stroke.

Probably get it for free just to pack off as you step over a 305!!

pdq67



 
MikeB 
Ultra Senior Member
Posts: 10058
MikeB
Loc: Plano, TX
Reg: 08-28-03
05-08-16 11:51 AM - Post#2627069    
    In response to pdq67

  • pdq67 Said:
Imho, the best of the economy engine lot back then is the old 307" engine.

It has a 3-7/8" bore x 3-1/4" stroke.





I agree. They didn't have a good reputation because they were available only with 2bbl carb and single exhaust, as I recall. But, hey, what's wrong with a stroked 283?

My old 69 C10 pickup had a bone stock 307. The engine took on a whole new personality after I added a 450 cfm spread bore Holley on a stock Q-jet manifold, and dual exhaust with turbo mufflers. It would have been really nice with better heads and a small performance cam. And fresh bore, pistons, rings, and a valve job.

I eventually replaced it with a 350, which in retrospect was dumb. Always wished I would have kept it. But I actually gave it away.


1982 C10 SWB pickup: Unmolested base truck, original paint. Originally had 250 six and 3-on-the-tree
Now has 355 with Vortec heads, RamJet roller cam, LS6 beehive springs, TH350
Retired, but working part-time on 50s-70s cars & trucks.


Edited by MikeB on 05-08-16 11:53 AM. Reason for edit: No reason given.

 
pdq67 
Member
Posts: 470

Loc: Columbia, MO, USA
Reg: 08-31-02
05-13-16 07:15 PM - Post#2628128    
    In response to MikeB

This is out in left field here but do some reading up on the old 224, 232, 259, 289, and 304 Stude V-8 engines from years gone by!!

I mention this only because they are SMALL! Like the 262 and 267 engines..

Stude ran solid lifter flat-tappet cams in all their engine so the little buggers would rpm until you ran out of road back then! And the roads were narrow and curvy back then, so wide open in a '51 Stude 232 Commander was a heck of a ride late Sat. night!! And I have been many a mile in one as well as a '57 259 Silver Hawk!

It's funny how some of our NEW engines have bore and stroke combinations that are not all that far off the old Stude engines is why I bring it up!!

pdq67

PS., I always wanted to take a .030" over, 267 and install a 3" crank in it to make something like a 235" engine that should rpm to the moon if hopped up right!! He, He!!



Edited by pdq67 on 05-13-16 07:18 PM. Reason for edit: No reason given.

 
Dean350 
Forum Newbie
Posts: 2

Reg: 09-27-16
09-27-16 12:31 PM - Post#2653626    
    In response to

The 267 wasn't the dog people say it is. The whole engine/drivetrain combo in cars it went in were dogs. It had a cam with a powerband of 500-3500 rpm because it had a 3 speed automatic and 2.41 gears behind it!!
I have one in my 1981 Grand Prix and it goes fairly effortlessly, maybe it has a better rear gear- Haven't checked.
It is reliable like you would not believe if you maintain it. It was built in Canada from 1979-1982 model years. It is in fact a Canadian Engine.
The 305 and 267 are not much different performance wise. It is not a difference anyone would notice.
I would build one up any day of the week. If you put a 3.08 in the rear end , a .420 lift cam (1000 - 4000 rpm powerband ), and a 4bbl quadrajet you would have ample get up and go plus excellent fuel mileage. You would only need a stock cast iron intake. Oh and yes, put a modern Catalytic converter and free flowing exhaust. No headers needed, Just a single 2.50 inch pipe will do.




 
Dean350 
Forum Newbie
Posts: 2

Reg: 09-27-16
09-27-16 12:47 PM - Post#2653632    
    In response to pdq67

I agree about the 307 Olds. All Oldsmobile small blocks from 1964 - 1990 ( their lifespan ) had a 3.385 ( 86mm ) Stroke.



 
MikeB 
Ultra Senior Member
Posts: 10058
MikeB
Loc: Plano, TX
Reg: 08-28-03
09-27-16 06:02 PM - Post#2653725    
    In response to Dean350

Dean, I agree that a size XS mouse would be fun to build and really different. Seems like a 262 would have more potential with larger bore and shorter stroke than a 267, and was based on the 5.7L LT1. Read where it was used in Caprice police interceptors!

Probably would want it in a very light car like an early Chevy II. A 5-speed close ratio Tremec to keep it on the cam along with 4.10 gears would make for a screaming little car.

And since the engine isn't gonna make anywhere near the torque that a 350 does, you may not need an aftermarket sub-frame or uni-body mods, or even anything more than an 8.5" 10-bolt diff.

Gotta find myself another old car to do something crazy with. It would also keep me from hot rodding my pickup, which is supposed to be my "run to the dump and garden center" vehicle.


1982 C10 SWB pickup: Unmolested base truck, original paint. Originally had 250 six and 3-on-the-tree
Now has 355 with Vortec heads, RamJet roller cam, LS6 beehive springs, TH350
Retired, but working part-time on 50s-70s cars & trucks.


Edited by MikeB on 09-27-16 06:10 PM. Reason for edit: No reason given.

 
Bel Air kiwi 
"3rd Year" Silver Supporting Member
Posts: 3808
Bel Air kiwi
Loc: New Zealand
Reg: 04-24-14
09-28-16 09:29 PM - Post#2653953    
    In response to MikeB

Hi Guys, I have a TBI 305 out of a Camaro that the PO replaced with a crate 350. Its going in my 48 1/2 Ton PU and so has been converted back to Carb and HEI, It has less than 30,000 miles and was effectively bought for the price of the new water pump on it. Its torque band is probably 1000 to 3000 and that's just what I need. To increase the overall speed range of the truck I will add more gears, not power.
This engine has extremely limited hop up potential and that would just kill off economy,smoothness,and reliability. Hot rodding these engines is like trying to make elephants jump hurdles.
The highest horsepower 300" Push-rod Chevy I have seen was a de-stroked 396 BBC in a Bonneville car.
Cheers Kiwi

48 3100 RHD, 51 Deluxe 4DR RHD, 51 Bel Air parts car, 52 Bel Air P-Glide LHD. Others 23T, 32 Tudor, 58 Edsel pacer 4DR HDT, 79 F250 351C RHD. 69,70,82 Capri. No mobile, no TV, and no Jap cars.

And when it was laid to waste, they called it peace.


 
Joe H. 
Forum Newbie
Posts: 7

Age: 62
Loc: North Carolina
Reg: 02-03-17
02-03-17 07:45 PM - Post#2675055    
    In response to Bel Air kiwi

I am presently looking for a 267 Chevy V8 for sale preferably an '80 to '82 model year motor. Anyone have one to sell ? Thanks - Joe H.



Edited by Joe H. on 02-03-17 07:48 PM. Reason for edit: No reason given.

 
56sedandelivery 
Dedicated Enthusiast
Posts: 5246
56sedandelivery
Age: 66
Loc: Everett, Wa.
Reg: 02-26-08
02-03-17 10:22 PM - Post#2675067    
    In response to Joe H.

There's a complete 267 engine currently on that auction site we all know and love. I am Butch/56sedandelivery.




 
elcamino 
Dedicated Enthusiast
Posts: 5319
elcamino
Loc: Lake Superior-Michigan US...
Reg: 03-30-00
02-04-17 03:43 AM - Post#2675075    
    In response to

I had a loaded 1981 Old Cutlass Supreme Brougham with the 267 V8. It had every option including a GM CB radio. I bought it used with about 10,000 miles from Olds Dealer. While it was a sharp looking car (dark blue), it was a dog. I drove it 2 yrs and there was always something going wrong with it seemed like every month. Mostly the computer controlled 2-bbl carb and the rear axle vibrations. The carb was apart a 1/2 dozen times replacing parts. The rear axle turned out to be bad axles (Posi) but it took 3 dealers before the problem was solved (Olds secret warranty fix).

Finally got fed up and in 2004 ordered a Delta 88 Royale Brougham 2dr coupe (loaded w/every option) with the only V8 you could get, the 307 Olds 4-BBL V8 Engine. That was the best engine, I drove it 90,000 miles in 6 yrs, sold to a local lady in 1990 and they drove about 200,000 + miles over the next 10 yrs + and it finally got so rusty it was too costly to keep going. Best car I ever had in my life, only problem I ever had was the gas tank rusted (at seams) in less then 3 yrs and leaked on my garage floor. No problem with the engine or transmission and I was running synthetic back then and everyone predicted a doomsday event for the engine but it never skipped a beat.

Mike
2017 GMC Sierra Denali Ultimate 6.2L(420hp)/8-sp
2016 Polaris RZR 900 EPS


 
Joe H. 
Forum Newbie
Posts: 7

Age: 62
Loc: North Carolina
Reg: 02-03-17
02-04-17 05:40 AM - Post#2675087    
    In response to 56sedandelivery

Butch,
The motor on eBay is a '79 model. I need a 80 through 82 because I need a specific cylinder head casting. The 79 is different from the other years. I am trying to build a '81 Camaro for NHRA/IHRA stock eliminator competition. Thanks for your reply



 
Joe H. 
Forum Newbie
Posts: 7

Age: 62
Loc: North Carolina
Reg: 02-03-17
02-04-17 06:05 AM - Post#2675092    
    In response to elcamino

Mike,
The 267 in stock form is indeed a dog. I had one in a 81 Malibu. However, when blueprinted with a good 3 angle valve job, good ring package and tune we have had NHRA stock class cars with this motor capable of running high 13, low 14 second qtr. mile times and that's with the dual jet 2 barrel carburetor ! Currently there is a gentleman in Louisiana with a 267 Monte Carlo and one with a 267 Camaro in Georgia running in NHRA/IHRA stock class and I have watched these cars run these times in competition. Thanks for your reply !



 




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