1969 Camaro 327 factory 2 barrell - Team Camaro Tech
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post #1 of 15 (permalink) Old Jun 15th, 15, 01:02 PM Thread Starter
Paul
 
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1969 Camaro 327 factory 2 barrell

I have a friend who is looking to spice up his performance of his newly acquired 327 original 2 bbl motor. I told him back in the 1970's we would get a set of 2.02 fuelli heads and a 4 barrel intake to make things happen. any idea on what casting number heads he should be looking for (camel hump. double hump. etc.?)
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post #2 of 15 (permalink) Old Jun 15th, 15, 02:19 PM Thread Starter
Paul
 
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Re: 1969 Camaro 327 factory 2 barrell

I was leaning towards recommending him a set of casting number 186's 2.02 like I used 40 years ago on my 1969 Nova SS.
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post #3 of 15 (permalink) Old Jun 15th, 15, 02:35 PM
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Kevin
 
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Re: 1969 Camaro 327 factory 2 barrell

Paul, there are degrees of changes that he can make, depending on skill and pocket book. If this is not a numbers matching Camaro, I would advise going with aluminum heads and a 2 plane intake with a 4bbl, cam and headers. That will wake up the engine, but if the trans and rear are poor combinations, then the increase of HP cannot be realized on the ground.

BTW, the old 2.02 castings, 3927186 are prized by the Z/28 crowd and command big $$$. The "other" casting 3947041 came on SS 350 engines in 1.94 versions, but some were converted to 2.02s. Earlier castings numbers did not have the boss for the 69 and up alternator mounting, so should not be used.

Get him to sign up and discuss his setup, goals and wallet and we can point him in the right direction!

Kevin


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post #4 of 15 (permalink) Old Jun 15th, 15, 02:54 PM Thread Starter
Paul
 
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Re: 1969 Camaro 327 factory 2 barrell

glad to see my 40 year plus memory has not been lost...I was in The Navy in Orange county CA from 1973-1977 and built a bunch of these when they were 'new'...any idea what the 2 barrel 327's came with for stock heads?
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post #5 of 15 (permalink) Old Jun 15th, 15, 03:19 PM
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Tom
 
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Smile Re: 1969 Camaro 327 factory 2 barrell

I can't remember the heads part #, but they came with 1.72 intake valves they were rated at 210 HP.

The old double hump heads are not very good to today's standards.
The intake ports are just to small. They are ok if you use the old (old design) camshafts or a really small new (modern day) one !

The newer camshafts create too much velocity for those small ports (155 cc's) to handle ! I always get flamed about this, but I have experienced this and so have others !

If you use the old L79 cam or the 30-30 cam or others of that era, you will be ok with those heads, otherwise get different heads.

GM's newer Vortec heads flow good the only drawback is that you have to use Vortec style intake manifols and the centerbolt valve covers. These heads come stock with the 1.94 valves. The cheapest way is to buy the vortec heads from a salvage yard and put in larger valves if you want and buy a used intake.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1

Last edited by TJS69; Jun 15th, 15 at 03:30 PM.
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post #6 of 15 (permalink) Old Jun 15th, 15, 03:32 PM Thread Starter
Paul
 
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Re: 1969 Camaro 327 factory 2 barrell

I was thinking 1.73 intake (from 40 year old memory) so I'm glad I didn't get far off...what aftermarket heads would you suggest...Dart, APR?
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post #7 of 15 (permalink) Old Jun 15th, 15, 03:49 PM
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Re: 1969 Camaro 327 factory 2 barrell

You should be able to find a pair of 186 heads with 1.94 intake valves for $500 or less. No need to waste money machining for 2.02 intakes for a 327 street car. If you happen to find a pair that already has 2.02, there is no reason to turn them down. Personally, I prefer the 1.94 in a small cube street car.

I realize you are in Maine, but I just checked local Craigslist and found a pair in SW Missouri (was listed on the OKC site) with bronze guides and fresh grind ready to bolt on for $425.
I would use the 1969 L46 hydraulic camshaft (still available from Federal Mogul).
You can either go with a vintage cast iron intake and Qjet, or an Aluminum high rise and Holley. Personally, I prefer the cast iron an Qjet for this application.

If you go aftermarket heads, use an aftermarket camshaft. Check with Chris Straub AFTER you decide on which heads you are using. As far as which brand to pick, well there are lots of choices and almost as many opinions. AFR are stellar, but you will pay a premium. You can get close to AFR performance with one of the others. Mostly a matter of personal preference.

Chris Straub website: http://www.straubtechnologies.com/

Lynn
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post #8 of 15 (permalink) Old Jun 15th, 15, 03:55 PM Thread Starter
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Re: 1969 Camaro 327 factory 2 barrell

thank you.
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post #9 of 15 (permalink) Old Jun 15th, 15, 04:19 PM
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Lynn
 
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Re: 1969 Camaro 327 factory 2 barrell

Forgot. 041 heads from 69 or 70 would work just as well.
They never came from the factory with 2.02 (despite some of the published materials) but can be opened up and converted. 186 came with either 1.94 or 2.02 intakes.

Lynn
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post #10 of 15 (permalink) Old Jun 18th, 15, 09:19 AM Thread Starter
Paul
 
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Re: 1969 Camaro 327 factory 2 barrell

wrong year...once I looked at his car, saw it was a 1968...is that going to effect the casting numbers...would 461's work?
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post #11 of 15 (permalink) Old Jun 18th, 15, 09:37 AM
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Re: 1969 Camaro 327 factory 2 barrell

I put World Sportsman II 2.02's on my ME code 68. (along with other mods)
Runs like snot!

68 Camaro - matching 327/ Sportsman 2.02's / 10:1 / Crane Cam & RR / E-Brock Performer / E-Brock 600 / Hedman Coated FL / MSD HEI / Flowmaster D-40's / 3.73 posi / 4-wheel disc / TH350 / 2600 stall.
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post #12 of 15 (permalink) Old Jun 18th, 15, 11:36 AM
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Smile Re: 1969 Camaro 327 factory 2 barrell

Quote:
Originally Posted by mgawat View Post
wrong year...once I looked at his car, saw it was a 1968...is that going to effect the casting numbers...would 461's work?
They should work, as accessory bolt holes are not used on pre-1969's.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
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post #13 of 15 (permalink) Old Jun 18th, 15, 11:40 AM Thread Starter
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Re: 1969 Camaro 327 factory 2 barrell

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post #14 of 15 (permalink) Old Jun 18th, 15, 11:50 AM Thread Starter
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Re: 1969 Camaro 327 factory 2 barrell

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post #15 of 15 (permalink) Old Jun 18th, 15, 10:15 PM
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George
 
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Re: 1969 Camaro 327 factory 2 barrell

Nice, my ac compressor was removed long ago too.
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