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Chevy Caprice General and Technical discussion for the Chevy Caprice (1965-1996), which shares the B-Body platform with the Chevy Impala.

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Old 03-25-2011, 01:29 PM   #1 (permalink)
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Help with my cam

Hey guys im new to everything but i need some help on where to start with a new cam in my 9c1.i dont even know what i should be looking for and im open to any suggestions you guys might have towards what cam i should get for my caprice.

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Old 03-25-2011, 01:45 PM   #2 (permalink)
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Is it stock, or mostly stock with a CAI, and a catback? Then you need to look at aother areas to modify first. Putting a cam in a near stock setup, has poor results.

What do you want out of it? Bragging rights for hp? That "Cam Chop"? High RPM Highway power? If so, then a cam swap is for you. Otherwise, it is not. I had a full bolt on 96 Caprice 9C1 with a bigger cam, on the stock torque converter, and gears in the axle. It was a turtle until you got the car moving. My bone stock 94 Caprice 9C1 would smoke it off the line.

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95 DCM Buick RMS 14.21 @ 91.79 "Jesus" Blown Engine at 85k
95 DCM Buick RMS 13.52 @ 99.33 "The Doctor" Blown Engine at 180k
96 DGGM Buick RMW. 263k, still on the factory tranny.

And 5 other LT1 powered land yachts Is there Rehab for this Sh*t?
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Old 03-25-2011, 01:53 PM   #3 (permalink)
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It has headers done. The exhaust too no cats pipes are cut at the rear axle.intake is done too and a shift kit. I guess idk enough so where should i start?i love the idea of that choppy mean sound of the cam and i want the performance too. Thanks for the help

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Old 03-25-2011, 02:10 PM   #4 (permalink)
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What headers? They are not all created equal. If I had to choose which car to drive... I would have picked the 95 RMS on the stock cam / heads, with 3.73's & a 3000 Edge Stall converter, Tri-y headers, catback, extensive tune, valvesprings, 1.6 rockers, 52mm TB, biger MAF, CAI, etc. It was more fun to drive than the 96 9C1 with its very similar mods + the aftermarket cam on the stock stall and gears. But, I like the feeling of blasting hard from a stop light, vs really stretching its legs out at higher speeds.

However, once I did the 3400 Edge stall and 4.10's in the 96 9C1, it was a MUCH more fun animal to drive, that moved extremely well across the board.

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95 DCM Buick RMS 14.21 @ 91.79 "Jesus" Blown Engine at 85k
95 DCM Buick RMS 13.52 @ 99.33 "The Doctor" Blown Engine at 180k
96 DGGM Buick RMW. 263k, still on the factory tranny.

And 5 other LT1 powered land yachts Is there Rehab for this Sh*t?
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Old 03-25-2011, 03:44 PM   #5 (permalink)
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I bought the car with the headers but i know they are ceramic and i will get the details on them later.i do know the car sounds awesome.where do u think i should start? Thanks

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Old 03-25-2011, 04:33 PM   #6 (permalink)
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It's hard to say, without knowing where you are starting. Meaning, what is done already. A few clear under hook pics, and I can tell you which headers they are, and what CAI it has.

It also helps to know the budget, your mechanical ability, and primary use. If I was using my cars for lots of highway use, I would not have used gears quite a low. 3.42's still make a decent improvement, and still maintain decent gas mileage.

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95 DCM Buick RMS 14.21 @ 91.79 "Jesus" Blown Engine at 85k
95 DCM Buick RMS 13.52 @ 99.33 "The Doctor" Blown Engine at 180k
96 DGGM Buick RMW. 263k, still on the factory tranny.

And 5 other LT1 powered land yachts Is there Rehab for this Sh*t?
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Old 03-25-2011, 04:36 PM   #7 (permalink)
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Helps us a whole heck of a lot if you tell us what year the car is. Easy to assume it is a 94-96 LT1 car but with what I see here that would just be an assumption.

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Old 03-25-2011, 08:43 PM   #8 (permalink)
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The name AJS"LT1", made me think maybe it was an LT1 car. But that is a very good point. So, what year is it?

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~Cory Magner "My name is Cory, and I'm an addict."


95 DCM Buick RMS 14.21 @ 91.79 "Jesus" Blown Engine at 85k
95 DCM Buick RMS 13.52 @ 99.33 "The Doctor" Blown Engine at 180k
96 DGGM Buick RMW. 263k, still on the factory tranny.

And 5 other LT1 powered land yachts Is there Rehab for this Sh*t?
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Old 03-25-2011, 08:56 PM   #9 (permalink)
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Haha yeah its a 1994. I should be able to upload pictures soon.

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Old 03-25-2011, 09:00 PM   #10 (permalink)
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MrBuick has some good points for sure.
A cam swap in a completely different car can produce a bit more power, but if you go too big without supporting mod's you are going to have a sloth.

I also agree to 3.42's or lower [numerically]. I have 3.73's and it's not a great highway gear, especially without an overdrive.

As Dwayne/MrBuick stated, year / motor would really help, as well as what your goals are with the car.. Street/strip.. cruiser..just looking for a nice sound..etc

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Old 03-25-2011, 09:20 PM   #11 (permalink)
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I live in a small town and im after the whole blasting out of stop lights kinda drive. I dont plan on being on the highways very much and if i do it wont be for a real long distance. My caprice is a 1994 9c1 with the lt1 motor. I want it to sound mean and drive more mean. Not that it already doesnt but i know there is a lot of room for improvements.

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Old 03-26-2011, 08:34 AM   #12 (permalink)
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People are often afraid of doing gears BUT with overdrive and lockup 4.10s in a b-body still cruise at a lower rpm than 3.08s in an old school three speed tranny with no lockup. The lockup also allows a good amount of stall to still drive well.

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Old 03-26-2011, 01:26 PM   #13 (permalink)
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My 95 RMS has 3.73's, with a short 26" tire out back. It still gets decent mileage at 70 mph. I think it was getting around 20mpg the time I took it to the drag strip. It's virtually all highway to drive from my house to the drag strip. I think it is around 75 miles one way.

I never calculated gas mileage in the Caprice with 4.10's. I was always blasting from stop light to stop light. The one time I drove it for a long distance on the highway, I had no idea how fast I was going. I just went with traffic. I never adjusted the speedo in that car.

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~Cory Magner "My name is Cory, and I'm an addict."


95 DCM Buick RMS 14.21 @ 91.79 "Jesus" Blown Engine at 85k
95 DCM Buick RMS 13.52 @ 99.33 "The Doctor" Blown Engine at 180k
96 DGGM Buick RMW. 263k, still on the factory tranny.

And 5 other LT1 powered land yachts Is there Rehab for this Sh*t?
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Old 03-26-2011, 01:41 PM   #14 (permalink)
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Gears is something i really want to do and was planning on 3.73 posi because it seems like the happy median. I want the acceleration but im not trying to lose that much on the top end either. So when you do gears you have to adjust the speedo?probably a stupid question.

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Old 03-26-2011, 04:52 PM   #15 (permalink)
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It's a rather simple adjustment in the PCM. My 96 9C1 was only meant to be a parts car, so I never screwed with fixing the speedo. I just wanted to see how quick it could be, before I stripped it. I tossed parts in it I had laying around for another car.

__________________
~Cory Magner "My name is Cory, and I'm an addict."


95 DCM Buick RMS 14.21 @ 91.79 "Jesus" Blown Engine at 85k
95 DCM Buick RMS 13.52 @ 99.33 "The Doctor" Blown Engine at 180k
96 DGGM Buick RMW. 263k, still on the factory tranny.

And 5 other LT1 powered land yachts Is there Rehab for this Sh*t?
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