LT1-LT4 Modifications 1993-97 Gen II Small Block V8
View Poll Results: Daily driver with GM847??
YES
50
74.63%
NO
17
25.37%
Voters: 67. You may not vote on this poll

Gm847...

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Old 07-29-2006, 09:47 PM
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Default Gm847...

What do you guys think about a daily driver with a GM847 cam, all bolt-ons, etc...??? I drive a minimum of 25 miles a day. And want an aggressive cam, thats bigger than a hot cam. let me know what you all think...

thanks!
Old 07-29-2006, 10:11 PM
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GM847 is a big cam for a DD but it can be done if you want something thats more aggressive then the LT4 HOTCAM then try say... the XE224/230 its more aggressive but not as bit as the 847
I voted yes, but i suggest thinking about it long and hard first before you put it in on a DD
Old 07-29-2006, 10:19 PM
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ive been putting ALOT of thought into this...and im still undecided. Is the xe224/230 bigger than the gm846? i kind of want something in between the gm846 and gm847. Would that be something like a cc305 cam?

Last edited by CaMaRoMoE; 07-29-2006 at 10:29 PM.
Old 07-30-2006, 12:27 AM
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I voted no

I just sold my 847 DD, I think that cam is alittle big for a DD. Its a great cam, and the car sounded awsome and pulled like hell.

I know for awhile I was saying it was fine, but I think I just didn't realize how the car was on the street compared to a smaller cammed car, or even just a bolt on car. Also i drove about 20 miles a day to work and back , and alot more on weekends. It used a ton of gas. Would have been more fun as a weekend car, but not something I had to drive everyday in the rain ect...
Old 07-30-2006, 12:27 AM
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why go with such a big cam with unported heads? i say get a heads and cam package and do it right once and only once.
Old 07-30-2006, 12:55 AM
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Cc306?
Old 07-30-2006, 01:17 AM
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Originally Posted by Saad06
Cc306?
847 is just a tad bigger, almost same profile as the 306, both are DD cams easily, do a search here and on camaroz28.com, many are running it, I used to, never had any problems as a daily driver.
Old 07-30-2006, 01:32 AM
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Originally Posted by BRETTINATOR
847 is just a tad bigger, almost same profile as the 306, both are DD cams easily, do a search here and on camaroz28.com, many are running it, I used to, never had any problems as a daily driver.

I thought cc306 is a tad bigger!!!!
Old 07-30-2006, 09:28 AM
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Originally Posted by Jditlfm
why go with such a big cam with unported heads? i say get a heads and cam package and do it right once and only once.
Well, right now i cant afford heads, thats why i am going to get them ported and polished. And also, what kind of gas miles were you guys getting with this cam dd?
Old 07-30-2006, 10:20 AM
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I think in the ballpark of big cams it's the best profile it takes a i nice chunk of dookie on aftermarket profiles. So in between big cams for me it's the only choice.

But nah on a DD not for me, I'm more of a go big or go small, never really looked at a medium, but I do think the Lingenfelter profiles were very sharp on a medium sized. You should check those out.

Also if u have to ask questions if it will due on a DD, my rule is then lean on the smaller.
Old 07-30-2006, 10:53 AM
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Does anyone know the specs on a gm847? I am trying to compare it to a cc306. I am going to get the biggest cam that i can get and still keep the car driveable everyday.
Old 07-30-2006, 11:09 AM
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Originally Posted by CaMaRoMoE
Does anyone know the specs on a gm847? I am trying to compare it to a cc306. I am going to get the biggest cam that i can get and still keep the car driveable everyday.
Had to do a little digging but found the spec car from my old setup, I ran 1.6's initially, then 1.7s, I recommend 1.6 RRs for longevity of your springs/Hyd Roller Lifters.

Old 07-30-2006, 09:27 PM
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847 just pulls a little higher than 306...but both are similar.
Old 07-30-2006, 09:44 PM
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too big
Old 07-30-2006, 09:56 PM
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gas guzzler...big duration for stock cubes...pulls hard. its up to you brotha. you wanna drive something wild and crazy to work every day or something a bit tamer? I'd go for it, but thats just me.
Old 07-30-2006, 10:15 PM
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come on ppl...i need some more opinions and reasons why or why not?? I was thinking of getting either the gm847 or cc306 with 1.5rr so the lift wouldnt be too much. Im not trying to squeeze every bit of power out of it, but i love the way those cams sound.
Old 07-30-2006, 10:25 PM
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Why dont you consider a custom grind?!?

You can chose the LSA for the lope that your in love with.

And you can get Duration and Lift numbers to make better power.

Half assed=Half Fast.

Tony.
Old 07-30-2006, 10:27 PM
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the cam pulls from 2000-7000 rpm depending upon your setup (stall, rockers, heads, springs, etc.) and makes great power with a great idle that sounds like a beast. the bad part for a stock cube/head motor is that the cam itself will not reach its full potential because of head and air restrictions. It will make great power but be really choppy and possibly surge from time to time. I'd say fully tuned it would be fine, but would suck some gas with that big duration, even with 1.5's. The 847 is a serious cam that will really wake up a stock lt1 and gain a lot of power but will sacrifice mileage and possibly hot weather and cold start manners.
Old 07-30-2006, 10:29 PM
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i just didnt do a custom because of time constraints with the build...my daily has a 383 which calms down the 847, but i dont have time to wait for the custom. if you have time to wait get one ground like many will suggest.
Old 07-30-2006, 10:29 PM
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Originally Posted by redneck01
the cam pulls from 2000-7000 rpm depending upon your setup (stall, rockers, heads, springs, etc.) and makes great power with a great idle that sounds like a beast. the bad part for a stock cube/head motor is that the cam itself will not reach its full potential because of head and air restrictions. It will make great power but be really choppy and possibly surge from time to time. I'd say fully tuned it would be fine, but would suck some gas with that big duration, even with 1.5's. The 847 is a serious cam that will really wake up a stock lt1 and gain a lot of power but will sacrifice mileage and possibly hot weather and cold start manners.
ok than, let me ask you what you think is great cam for a dd, but still aggressive.?


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