267 Chevy
 

Anyone ever run One of these in stock? Seems soft at 150hp

Re: 267 Chevy
 

Possibly Philbrick from Ontario? R/SA Monza record holder?

Re: 267 Chevy
 

Philbrick`s is a 262 v8....different animal........Lee Tuttle from Albany Ga. runs a 267 in his 80 Camaro....classed in U/SA

Re: 267 Chevy
 

Would it work better in a Malibu? the engine was made from 79-81. Got one sitting here, haven't found pistons for it yet.

Re: 267 Chevy
 

Neat "Dime Rocket" combo! 81-82 would be the way to go. Just don't get carried away with it. Square bore and stroke, not a lot of compression and the front half of an 800 Q-Jet. Gonna have to build cylinder pressure with your cam choice and don't try to spin it too awful high. Camaro would be neat, 8.5 rear is easy and cheap. Malibu or Monte Carlo would need GN rear or aftermarket.

Re: 267 Chevy
 

federal mogul did and should still have pistons,will be stock cast,maybe hypertec now.
any of piston companies could make forged versions if wanted and get add to approved list.
Federal Moguls should work fine.
Mike Taylor 3601

Re: 267 Chevy
 

Found a free 267 in the Dallas area on Craigslist. Real small valves and not much of a cam.

Re: 267 Chevy
 

1.375 exhausts. The dual jet throttle openings look way small, I will take a Q-Jet off the shelve and compare the primaries to the dual jet. Has anybody ever seen the specs on a stocker cam for a 267? Milder duration than a 305, I wonder how much more mild.

Re: 267 Chevy
 

One way to analyze the potential is to do a simple comparison based on NHRA hp rating divided by the displacement. Most 2bbl engines suffer from the same constraints of no airflow and mediocre camshafts, so the race potential of hp per cubic inch will be roughly in the same range. The 302 Ford engines come out with the best hp/disp factors using such a crude analysis. A few GM engines have a better hp/disp factor than the 267, but its factor of .56 hp/disp is not bad. Billy's 307 Nova at 168 hp has a hp/disp factor of .55, so you might use that as a comparison along with Lee Tuttle's car.

Re: 267 Chevy
 

I know that this is not an apples to apples comparison but take a look at how fast Ronnie Charnes has been able to go with 3/4ths of a 267 and it has a smaller intake valve!
A million years ago, Buick did a bunch of testing on it's then just re-released V-6 and came to the conclusion that the engine size and number of cylinders didn't matter when it came to carburetor size. It was the volume of each cylinder that mattered the most.
Maybe it's not such a bad comparison after all.

Re: 267 Chevy
 

So with a 300 cfm carb a 260 ci V8 would breathe better that a 260 ci V6?

Re: 267 Chevy
 

Yes.

Re: 267 Chevy
 

:rolleyes:

Re: 267 Chevy
 

267 is .357/.390 lift @valve same lift as later 305's.

can be any duration you want is legal.
Mike Taylor 3601

Re: 267 Chevy
 

Engine too small / HP too high.
302 F f f ford !

Re: 267 Chevy
 

Mark, Mark, Mark, some people just don't want to go on the welfare.

Re: 267 Chevy
 

So cam it like a 305? My old 305 cam was 268/271 ( 83' 305 flat top 416 head Q-Jet ) I'm sure the latest stuff is longer but not sure how much.

Re: 267 Chevy
 

Way too big!

Re: 267 Chevy
 

My friend and I have been running a 82 monte carlo with the 267 off and on for the last few years.While I can't say it was cheap compared to what it cost for a lot of stockers it wasn't bad in the age of 100.000 ones. So far we've run a best of 14.20 @91mph.It's been a lot of fun running it and it's about as low maintence as you could want for a racecar...Love that DUALJET!

Re: 267 Chevy
 

lift is same,can use your 305 cam just won't go anywhere quick!
what Billy said.
My brother had one in malibu we went 9.50's 1/8 in U(15 years ago) pulled it put on dyno had about 185hp,got it up to 220hp broke some rockers,we pulled it to get new cam,and he never did touch it after that,I have thought,going and getting it and using it.
Mike Taylor 3601

Re: 267 Chevy
 

All very interesting. I have one here that was just pulled for a 350 swap. Going to use it to setup the old dyno I acquired and kinda thought it may be fun to mess with.

Re: 267 Chevy
 

To the best of my memory J.T. Allen was a killer with one of these in a Malibu. J.T. always ran obscure combos in IHRA back in the day and made the fast cars live hard every pass. He usually had a .00 and was on the brakes lol.

Re: 267 Chevy
 

Hard to keep up with all JT's cars,he had several different 267 cars, had malibu wagon in pure stock is one I remember and one was monte carlo I believe w/267

Mike Taylor 3601