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Old 12-23-2010, 12:19 AM   #1
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Default What GM production muscle cars came with a 327?

So I was arguing with my manager at work today because he is convinced that his 2002 avalanche has a 327 because GM had a bunch left over from camaros and ta's. I was trying to tell him that no 2nd, 3rd, 4th, or 5th gen cars came with a 327. I was not sure about 1st gen camaros and early vettes. Could someone help me out with this? This guy is a dick and seems to talk about stuff that he doesn't know about. He told me I need to do some research and I told him that he's the one that needed to do some reading. I told him I was for sure except for early camaros and vettes.
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Old 12-23-2010, 12:21 AM   #2
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I am not sure.. but I can back you, what you said was correct as far as my knowledge goes.
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Old 12-23-2010, 12:21 AM   #3
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i think some of the base v8 60s model had a 327
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Old 12-23-2010, 01:07 AM   #4
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Originally Posted by D's Hawk View Post
So I was arguing with my manager at work today because he is convinced that his 2002 avalanche has a 327 because GM had a bunch left over from camaros and ta's. I was trying to tell him that no 2nd, 3rd, 4th, or 5th gen cars came with a 327. I was not sure about 1st gen camaros and early vettes. Could someone help me out with this? This guy is a dick and seems to talk about stuff that he doesn't know about. He told me I need to do some research and I told him that he's the one that needed to do some reading. I told him I was for sure except for early camaros and vettes.
WTF "327" are you guys talking about!? The 327ci Gen 1 SBC has been out of production for DECADES, and has not appeared in Camaro since the 1st gens. And none were ever issued in any Pontiac, because during the production years of that engine Pontiac issued their own engines (not Chevy engines) for their own cars, as did all other branches of GM in the '60s.

I can only assume the debate is over a modern 5.3L engine. If so, these never came in any modern Camaro or Trans Am either. The final generation of F-bodies offered only 5.7L V8s (350ci LT1s and 346ci LS1s).

If your manager actually believes that he has a "327ci/5.3L left-over from Camaros and TAs", then perhaps he should consider some basic internet research to correct his ignorance.
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Old 12-23-2010, 01:30 AM   #5
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@RPM, I said I was sure except for first gen camaros and vettes. Yes, he is referring to his 5.3L in his avalanche as a 327, it's actually a 325cid. I was just posting to confirm my argument and to educate myself a little on some early model cars. Thanks for the info.
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Old 12-23-2010, 02:27 AM   #6
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@RPM, I said I was sure except for first gen camaros and vettes. Yes, he is referring to his 5.3L in his avalanche as a 327, it's actually a 325cid. I was just posting to confirm my argument and to educate myself a little on some early model cars. Thanks for the info.
Ah, I see. Well, your manager is completely incorrect, as you already knew.

As for the original 327ci (Gen 1), it was introduced in 1962 and offered as an option in many Chevy models through 1968 (including Camaros and Corvettes within that era). I believe '68 was the last offical year for this displacement, though some '69 models may have still used it.
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Old 12-23-2010, 07:26 AM   #7
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I love guys like D's hawk manager. He obviously has taken little bites of fact:

327 CID equals 5.3 litres in metric.
Modern Chevy truck engines are a similar design to LS1.

and pieced together his own story that sounds cool if he's telling it to a pedestrian.

You could correct him with the facts, but personally, I would let him keep on going. I find it highly asuming to hear bullshit being presented as fact. He might even raise the bar: " it's a 327 Fuelie".
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Old 12-23-2010, 05:22 PM   #8
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some '69 models may have still used it.
True. My dad had a new 69 Impala that came with a 327 in it.
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Old 12-28-2010, 06:14 PM   #9
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Many people think the 5.3 is a 327. I've seen a lot of Z71-327 Vortec stickers on trucks. But his 02 Avalanche did not come with a "leftover 327 from an f-body". Absolutely not.
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Old 12-29-2010, 08:54 PM   #10
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He might even raise the bar: " it's a 327 Fuelie".
awesome, I love it
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Old 12-30-2010, 03:41 PM   #11
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a bunch of trucks in texas rgv have stickers in their hoods 327 c.i.
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Old 12-30-2010, 05:18 PM   #12
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Well isnt that a lot like the 5.7L being a '350'? Try looking up any parts for a 4th camaro / firebird with a 5.7L 346... You wont find many, if any. Do you really care if someone puts a 350ci sticker on their 4th gen?

True, anywhere you look for Avalanche parts they say 5.3L 325... but who cares.

You guys are seriously arguing over a couple CI's? I understand when people are being a Dick you want to correct them... but personally Ive got better things to do. lol.

If people dont care to research, its their own fault they look / sound like idiots.
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Old 12-30-2010, 06:04 PM   #13
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You guys are seriously arguing over a couple CI's?
No, the original dispute seems to be over the fact that someone mistakenly believes 4th gen F-bodies came with a 325/327/5.3L (and was the source for "left-over" 5.3Ls used in '02 trucks), which obviously never happened.
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Old 01-07-2011, 09:20 PM   #14
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Hi,
a little history on the gm v-8 engines after 1954:
215 ci
260 ci
262 ci
264 ci


265 ci

283 ci
287 ci
300 ci

301 ci
302 ci
303 ci
305 ci
307 ci
316 ci
322 ci
326 ci
327 ci
331 ci
340 ci
347 ci
348 ci
350 ci
365 ci
368 ci
370 ci
389 ci
390 ci


396 ci
400 ci
401 ci
402 ci
409 ci
421 ci
425 ci
427 ci
428 ci
429 ci
430 ci
454 ci
455 ci
472 ci
5oo ci
502 ci
572 ci
these were available from late 1954-until ls intoduction...........
Ls1
ls2
ls3
ls6
ls7
ls9
lsx
lsa

l31
l33
l76
l92
l98
l99
ly2
ly5
ly6
lh6
LC9
lq9
the early years had the 327/ 300 hp ss in 1962-1964 maibu ss 220hp/283-1966 chevy 2/327- 350hp/1967 camaro dz302/290hp/1968 camaro 396/375hp baldwin motion offered a special edition with 427 L88/1968 impalas/427/425hp also available in other models.the1970 chevelle introduced the 454/450hp.
After the aforementioned regulations changed the horsepower wars.......
Early gm heads with the double camel hump were the trend due to larger valves and flow.we also had the introduction of the quadrajet carburetor
along with improved exhaust and solid lift cams. Little did we know of todays
high tech efi and aluminum blocks etc. Please feel free to add or update this information.have a blessed day.............
Jim

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Old 01-07-2011, 10:39 PM   #15
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Hi,
a little history on the gm v-8 engines:
265 ci
283 ci
302 ci
305 ci
307 ci
327 ci
350 ci


396 ci
400 ci
402 ci
427 ci
454 ci
5oo ci
There are some issues with this list. First, these are all Chevy engines except the 500ci, which was a Cadillac only engine, and thus should be excluded if you want to compile a list of historical Chevy engines. However, if you want to do a complete list of ALL GM V8s from the mid-'50s until EFI introduction, then there are many Pontiac/Olds/Buick/Cadillac engines that would need to be included as well.

Additionally, you have excluded the original series of Chevy big blocks (348ci, 409ci, and the 1st gen 427ci).
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Old 01-09-2011, 02:28 AM   #16
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In addition to the 327s found in many of the 60s cars, this engine was used in A LOT of trucks from this same time period (probably doesn't help the 327 thing with the new 5.3L trucks). We have a little '67 C50 grain truck with the original 327...makes suprisingly good torque. Not what you would typically think of as an application for an engine that suprised many a big block during it's time, but used quite frequently nonetheless.
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Old 01-09-2011, 02:28 AM
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