327-350 Fact from Fiction
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally posted by 86 sports coupe
There is some truth to the smaller journal engines revving faster, I beleive there is less friction do to the smaller journals.
There is some truth to the smaller journal engines revving faster, I beleive there is less friction do to the smaller journals.
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From: Oregon
Car: 94 Trans Am
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Sorry about that mistake on the 307 your right bored to 4in is a 327. Those blocks will go to 4in. have done alot of them and used 350 shafts to make cheap 350s when the 350 block was cracked. Never once had a problem. My uncle in the 60s before chevy built a 302 was boring his 283s out to 4in and running them in his C-gas dragster.
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Originally posted by NHRA427
Sorry about that mistake on the 307 your right bored to 4in is a 327. Those blocks will go to 4in. have done alot of them and used 350 shafts to make cheap 350s when the 350 block was cracked. Never once had a problem. My uncle in the 60s before chevy built a 302 was boring his 283s out to 4in and running them in his C-gas dragster.
Sorry about that mistake on the 307 your right bored to 4in is a 327. Those blocks will go to 4in. have done alot of them and used 350 shafts to make cheap 350s when the 350 block was cracked. Never once had a problem. My uncle in the 60s before chevy built a 302 was boring his 283s out to 4in and running them in his C-gas dragster.
Looks like the whole purpose of this thread was pretty well missed. Lots of bickering about high revving this and that. Oh well, at least its all here, and not all over the rest of the boards.
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From: So. Ohio
Car: 88 Camaro
Engine: L98 350
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Pretty common back in the late 50s and into the 60s to overbore a 283 what was called a 301. I remember even Sears sold domed pistons for that .120 overbore. Those engines would run with the Duntov cam, better with a Crane. Some of them didn't run too long though. I've always thought the 327 was the best all around (real) small block built. These new roller cam engines are a whole different breed though, and probably way ahead of the older engines.
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From: Modesto, Killmefornia
Car: 1990 Pontiac Firebird Formula
Engine: 305
Transmission: 700 R4
Axle/Gears: peg leg
When my dad was still racing he had a cj-5 with a 327 in it. raced for 2 years with same motor in it, consistently hitting 7500+ rpms with it and it never died, after he was done racing he took that motor out and put it in his '55 chevy pickup. Use to mud bog that thing all the time, i have a picture in a frame of him running through a mud pit at WOT in 2nd gear at 7800. Had to get rid of that stuff when i was born though. So reliability would be the big thing for me, plus the surprise on peoples faces when you tell them it's a small journal 327. He put a .600 lift cam in it, so people would ask him all the time if it was a big block. That was way back in the day though, before everybody forgot the terms small and big block. Except one kid i know says that an s2000 has a "big block 4 cylinder".
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Originally Posted by 90Formula305
When my dad was still racing he had a cj-5 with a 327 in it. raced for 2 years with same motor in it, consistently hitting 7500+ rpms with it and it never died, after he was done racing he took that motor out and put it in his '55 chevy pickup. Use to mud bog that thing all the time, i have a picture in a frame of him running through a mud pit at WOT in 2nd gear at 7800. Had to get rid of that stuff when i was born though. So reliability would be the big thing for me, plus the surprise on peoples faces when you tell them it's a small journal 327. He put a .600 lift cam in it, so people would ask him all the time if it was a big block. That was way back in the day though, before everybody forgot the terms small and big block. Except one kid i know says that an s2000 has a "big block 4 cylinder".
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From: Modesto, Killmefornia
Car: 1990 Pontiac Firebird Formula
Engine: 305
Transmission: 700 R4
Axle/Gears: peg leg
Does everything that everyone says have a negative reply from someone else? It's just from what ive had expierience with, what ive heard, etc.. I just prefer the 327, im not saying i wouldnt take a 350, i have a 4 bolt block sitting in my garage. But i would build the 327 first. Who has a 327 now? not many people, just to be different is why.
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The title of this thread is "327-350 Fact from Fiction". The intent is to provide technical facts to dispel the many myths surrounding this historical engine.
For whatever reason, people forget the historical part and go straight to hysterical. When asked why you said you prefer a 327, you talked as if the reason the engine your dad had could do all those things was because it was a 327. The response to that merely pointed out that being a 327 was not why it could do the things it could do.
Being "different" is the #1 reason why people say they want to build a 327/302/335 etc., etc., etc. Fact is - you're the only one who will know it is "different".
For whatever reason, people forget the historical part and go straight to hysterical. When asked why you said you prefer a 327, you talked as if the reason the engine your dad had could do all those things was because it was a 327. The response to that merely pointed out that being a 327 was not why it could do the things it could do.
Being "different" is the #1 reason why people say they want to build a 327/302/335 etc., etc., etc. Fact is - you're the only one who will know it is "different".
Last edited by five7kid; Mar 23, 2006 at 03:23 PM.
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From: Modesto, Killmefornia
Car: 1990 Pontiac Firebird Formula
Engine: 305
Transmission: 700 R4
Axle/Gears: peg leg
So pretty much everyone on here hates the 327? Thats pretty ****ing lame. Not everyone has a built 350 in your town, my town or their town. So when you have a 327 and you kicks someones *** with it and then you tell them it's a 327, now your different. The automatic assumption now is that everyone has a 350.
Last edited by 90Formula305; Mar 25, 2006 at 12:16 PM.
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From: Waco, Texas
I have a 327 currently in my 63 Impala station wagon. It's sound is better and with the 4.11 posi rear I needed something to make the power quicker and I didn't need the extra torque. As far as RPM, I've taken several 327's to 7 grand on multiple occasions and they've stood up. In '68, the reason the large journal 327's sucked is because of the heads. Take an early 327 and a 350 and slap Vortec heads on them and you'll like the power ratings on both motors. 327's require higher gears for heavy vehicles. It's all about what you need from your motor.
As far as the moderator starting the thread off by telling people "This is not about who's right or wrong" and then bashing people and telling them they're wrong constantly, well that's why I don't visit this site much. If I wanted to talk to ..., I'd talk to my in-laws.
As far as the moderator starting the thread off by telling people "This is not about who's right or wrong" and then bashing people and telling them they're wrong constantly, well that's why I don't visit this site much. If I wanted to talk to ..., I'd talk to my in-laws.
Last edited by five7kid; Mar 17, 2010 at 05:03 PM. Reason: Bypassing swear filter
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Originally Posted by stinger74
I have a 327 currently in my 63 Impala station wagon. It's sound is better and with the 4.11 posi rear I needed something to make the power quicker and I didn't need the extra torque. As far as RPM, I've taken several 327's to 7 grand on multiple occasions and they've stood up. In '68, the reason the large journal 327's sucked is because of the heads. Take an early 327 and a 350 and slap Vortec heads on them and you'll like the power ratings on both motors. 327's require higher gears for heavy vehicles. It's all about what you need from your motor.
As far as the moderator starting the thread off by telling people "This is not about who's right or wrong" and then bashing people and telling them they're wrong constantly, well that's why I don't visit this site much. If I wanted to talk to @$$holes, I'd talk to my in-laws.
As far as the moderator starting the thread off by telling people "This is not about who's right or wrong" and then bashing people and telling them they're wrong constantly, well that's why I don't visit this site much. If I wanted to talk to @$$holes, I'd talk to my in-laws.
Thanks for the compliment, we like insults! Especially from people such as yourself.
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From: Modesto, Killmefornia
Car: 1990 Pontiac Firebird Formula
Engine: 305
Transmission: 700 R4
Axle/Gears: peg leg
What exactly do you have against the motor? Did a 327 stuff you in a locker or give you a wedgie in high school
? It's just a personal preferance man, take a chill pill! You like your 350, myself and other people like the 327, not saying i wouldnt build a 350 but you know what i would build first.
? It's just a personal preferance man, take a chill pill! You like your 350, myself and other people like the 327, not saying i wouldnt build a 350 but you know what i would build first. Last edited by five7kid; Mar 28, 2006 at 11:20 AM.
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Originally Posted by 90Formula305
What exactly do you have against the motor? Did a 327 stuff you in a locker or give you a wedgie in high school ? It's just a personal preferance man, take a chill pill! You like your 350, myself and other people like the 327, not saying i wouldnt build a 350 but you know what i would build first.
? It's just a personal preferance man, take a chill pill! You like your 350, myself and other people like the 327, not saying i wouldnt build a 350 but you know what i would build first.Apparently you are too dense to figure that out. That was also what the mod was "acting like a mother in law" about. YOU are posting in the wrong place.
Last edited by five7kid; Mar 28, 2006 at 11:21 AM.
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Documented proof is that I've owned a lot of both engines and I've always had better luck with the 327's. Personally, my preference is a big block, but you didn't want to hear about preferences, so I left that out. You seem to have no problem ripping people about their opinions and experience, but have a thin skin about your own opinions. I agree that a 350 is a good motor, why else would they have lasted so long? But then front wheel drive has lasted a long time too. Learn to keep an open mind and your tongue tied up in that piehole of yours and you might learn a thing or two. I'm old and I learn things every day.
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Originally Posted by stinger74
Documented proof is that I've owned a lot of both engines and I've always had better luck with the 327's. Personally, my preference is a big block, but you didn't want to hear about preferences, so I left that out. You seem to have no problem ripping people about their opinions and experience, but have a thin skin about your own opinions. I agree that a 350 is a good motor, why else would they have lasted so long? But then front wheel drive has lasted a long time too. Learn to keep an open mind and your tongue tied up in that piehole of yours and you might learn a thing or two. I'm old and I learn things every day.
Dont you get that? You have presented nothing but opinions, and erroneous facts. YOu contradicted yourself in your post above and then ripped me for trying to keep the thread on subject. You are a real piece of work.
Five7, can we just lock this one?
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It seems that a couple of you won't get the point. 
Opinions and preferences were never the intent of this thread, but you two keep going back to your opinions and preferences.
So, this will stay up for reference, but no new input will be accepted. Perhaps one day I'll be able to sort through it and eliminate all of the non-contributing posts.
Opinions and preferences were never the intent of this thread, but you two keep going back to your opinions and preferences.So, this will stay up for reference, but no new input will be accepted. Perhaps one day I'll be able to sort through it and eliminate all of the non-contributing posts.
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