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Old 04-28-2016, 08:47 PM   #11
Bob Shaw
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Default Re: 267 Chevy
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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.
So with a 300 cfm carb a 260 ci V8 would breathe better that a 260 ci V6?
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Old 04-29-2016, 07:27 AM   #12
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Default Re: 267 Chevy
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So with a 300 cfm carb a 260 ci V8 would breathe better that a 260 ci V6?
Yes.
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Old 04-29-2016, 09:20 AM   #13
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Default Re: 267 Chevy
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It was the volume of each cylinder that mattered the most.
Maybe it's not such a bad comparison after all.

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Old 04-29-2016, 11:25 AM   #14
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Default Re: 267 Chevy
267 is .357/.390 lift @valve same lift as later 305's.

can be any duration you want is legal.
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Old 04-29-2016, 01:17 PM   #15
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Default Re: 267 Chevy
Engine too small / HP too high.
302 F f f ford !
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Old 04-29-2016, 03:20 PM   #16
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Default Re: 267 Chevy
Mark, Mark, Mark, some people just don't want to go on the welfare.
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Old 04-29-2016, 04:23 PM   #17
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Default 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.
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Old 04-29-2016, 04:40 PM   #18
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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.
Way too big!
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Old 04-29-2016, 05:28 PM   #19
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Smile 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!
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Old 04-30-2016, 03:13 PM   #20
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Default Re: 267 Chevy
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Way too big!
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.
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