C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

C4 vs C5

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Old Apr 18, 2011 | 02:34 PM
  #21  
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Originally Posted by Crowhater
I just want to make the most informed choice this time. My last adventure I wanted to be diffrent and build a 530CI stroker Cadillac engine and I had heads made from raw alum and my intake from raw alum. When it was all said and done I spent a bunch of money to be diffrent and could have done about the same thing with a built 572BBC for half the cost.

I get a picture in my mind of what I would like to do and how it should look and for some reason I see my car with a 6-71 sticking through the hood but I know I could never get it inspected.
If you want the sleeper car - C5 as I described above - you can do it in a Coupe/Convertable/Z06 and be able to hit a 1.50 60' with a higher stall torque converter(3600) and do 6.2 or better in the 1/8th.
Yet still cruise around and get decent gas milage with overdrive when you don't sink you foot into it too hard. On the street, I could only go 1/4 throttle before loosing traction. A very mean set up. Just add a line loc for the track and run a decent set of drag radials. It will blow away about 99% of the cars out there. You can probably buy one already set up for about $25K.
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Old Apr 18, 2011 | 03:42 PM
  #22  
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mentioning of the dana

you guys ever see this vid? LOT of power going to this rear end

http://www.youtube.com/watch?v=bpP20...eature=related
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Old Apr 18, 2011 | 06:42 PM
  #23  
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It all comes down to this kids...two simple phrases.

You gotta pay to play.

AND

How Fast Can I Go?=How Much Money Do You Have?

FYI, Dang is that C4 mean, holy smokes 8.97@164 MPH. WOW!!!
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Old Apr 18, 2011 | 07:11 PM
  #24  
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Originally Posted by cuisinartvette
think he was plagued with wheel hop issues no?
Remember him posting something to that effect if Im thinking of the same guy
Yep. I was. It was brutal too, how easily that car would wheel hop...and how HARD it was to drive around it. I could roll out of the lights w/no wheel spin, LONG AFTER total clutch lock-up, break the tires loose at 4500 in 1st gear...and ba-ba-ba-ba-BA-BA-BA!!! Car would go crazy. F'n annoying as hell. I tried different tires -getting rid of the run-flats, different driving techniques, and eventually, I go the car to not hop..but that was by getting the car to "not -wheel spin"....because ANY wheel spin = hop. Even a 3>4 shift that was aggressive enough to break the tires loose for a SECOND...and you'd get wheel hop for that too! I was always petrified of rear-end breakage (which I could have never afforded to fix), so it took away the fun of driving the thing, and I could never apply max-effort driving; I was always concentrating on "is there wheel hops starting?" rather than on driving it.

My C4? It's never happened.
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Old Apr 18, 2011 | 07:47 PM
  #25  
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Unfortunately broken rear diffs, halfshafts and other driveline parts does not win races.

C4's, C5's, & C6's all have there pluses and downs when raced hard.

I love the cockpit feel of my 87 Vert. like my 70-1/2 TA has
Simple driveline layout.
Parts are readily available.
It is not an IN CAR TO HAVE TODAY..............
I like being different from everyone else.

Drop the top down and I have fast fun in the sunshine.

Only mistake GM made was not installing a 600 +HP engine.

That won't be a permanent problem.

That 410sbc................


Brian

Last edited by 87 vette 81 big girl; Apr 18, 2011 at 10:41 PM.
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Old Apr 19, 2011 | 11:20 AM
  #26  
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What's a "C5"?

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Old Apr 19, 2011 | 01:37 PM
  #27  
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As someone who had numerous C4s, went through a brief period with the C5s, and now own C6s.

I would much rather the C4 over the C5. The C5 has a better engine from the factory (duh, development), but the ergonomics of the C5 interior and the exterior appeal were really lacking when compared to the C4.

However, the C6s have later iterations of that same great LS engine and drivetrain, and IMO, GM went back to the C4 cues on the interior and exterior. Cockpit like feel, with wrap-around interior. Back end not so big.

So if the choice is C4 vs C5, I would stay with the C4. If the choice is enlarged to C4, C5 or C6, the decision becomes considerably tougher. But the price of entry must also be figured into the equation.

Just my thoughts on the topic.
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Old Apr 19, 2011 | 04:44 PM
  #28  
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All factory street cars have their limitations. All of those limitations can be overcome depending on how much your willing to spend and what your expectations are. A C6 or a Pinto it dosen't matter what you start with. At some point it just dosen't matter what you started with, everything is equal. For a price the right person can make any car do anything.

I get people all the time who have a car want to "go faster" and have all kinds of "upgrade this and that" ideas they read about on the internet or in some car rag.

My advice is
1. Decide what your goals are for the car. Without a set goal you'll never build anything your happy with - no matter how much you spend and you'll always spend more $$$ chasing the what's hot right now gimick.

2. Decide how much you are willing to spend. It dosen't matter if you have an unlimited budget. Still set an amount your comfortable spending on the car.

Then sit down with an engine builder and chassis builder and decide if, using your current car, the 2 can be met.

I've seen alot of half finished projects becasue people didn't do those 2 simple things.

I've seen cars that ran OK but the person was disapointed because he had no clear vision of what the car was suposed to run like when it was done.

I've seen guys build monster cam/heads cars that ran good for 3 days, weeks, months, years until the stock rods decided to make an exit and then they were pissed off it blew up destroying their high $$ heads and cam.

Every once in a while I see a guy that went to a professional and they layed out exactly what he needed/wanted and no matter what it is they built, that guy is a happy camper.
Will
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Old Apr 19, 2011 | 05:32 PM
  #29  
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Originally Posted by rklessdriver
All factory street cars have their limitations. All of those limitations can be overcome depending on how much your willing to spend and what your expectations are. A C6 or a Pinto it dosen't matter what you start with. At some point it just dosen't matter what you started with, everything is equal. For a price the right person can make any car do anything.

I get people all the time who have a car want to "go faster" and have all kinds of "upgrade this and that" ideas they read about on the internet or in some car rag.

My advice is
1. Decide what your goals are for the car. Without a set goal you'll never build anything your happy with - no matter how much you spend and you'll always spend more $$$ chasing the what's hot right now gimick.

2. Decide how much you are willing to spend. It dosen't matter if you have an unlimited budget. Still set an amount your comfortable spending on the car.

Then sit down with an engine builder and chassis builder and decide if, using your current car, the 2 can be met.

I've seen alot of half finished projects becasue people didn't do those 2 simple things.

I've seen cars that ran OK but the person was disapointed because he had no clear vision of what the car was suposed to run like when it was done.

I've seen guys build monster cam/heads cars that ran good for 3 days, weeks, months, years until the stock rods decided to make an exit and then they were pissed off it blew up destroying their high $$ heads and cam.

Every once in a while I see a guy that went to a professional and they layed out exactly what he needed/wanted and no matter what it is they built, that guy is a happy camper.
Will
I agree with Will. Good job.

In my business we call this the "Commercial Concept". If both sides are not on the same page with the commercial concept, it is likely that the business will not end well.

I have a guy that I have been communicating with for a very short time on a C4 project, and I have reiterated advice point #1 numerous times, and I have yet to get a clear answer. He talks about a lot of different things, and I keep pushing for him to define the goals for his car.

Somewhere deep down, we all have a vision of what we want our cars to be. Just define it, and a lot of recommendations become so much easier to make.
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Old Apr 19, 2011 | 06:49 PM
  #30  
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Originally Posted by rklessdriver
All factory street cars have their limitations. All of those limitations can be overcome depending on how much your willing to spend and what your expectations are. A C6 or a Pinto it dosen't matter what you start with. At some point it just dosen't matter what you started with, everything is equal. For a price the right person can make any car do anything.

I get people all the time who have a car want to "go faster" and have all kinds of "upgrade this and that" ideas they read about on the internet or in some car rag.

My advice is
1. Decide what your goals are for the car. Without a set goal you'll never build anything your happy with - no matter how much you spend and you'll always spend more $$$ chasing the what's hot right now gimick.

2. Decide how much you are willing to spend. It dosen't matter if you have an unlimited budget. Still set an amount your comfortable spending on the car.

Then sit down with an engine builder and chassis builder and decide if, using your current car, the 2 can be met.

I've seen alot of half finished projects becasue people didn't do those 2 simple things.

I've seen cars that ran OK but the person was disapointed because he had no clear vision of what the car was suposed to run like when it was done.

I've seen guys build monster cam/heads cars that ran good for 3 days, weeks, months, years until the stock rods decided to make an exit and then they were pissed off it blew up destroying their high $$ heads and cam.

Every once in a while I see a guy that went to a professional and they layed out exactly what he needed/wanted and no matter what it is they built, that guy is a happy camper.
Will
Very Wise Advice !
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Old Apr 19, 2011 | 06:50 PM
  #31  
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c3 or c4? Same difference.
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Old Apr 19, 2011 | 07:08 PM
  #32  
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Ls1 will make more power for less.

I've owned a c3, 2 c4s, 2 c5s, and now a c6. Each have their own personallity.

Do what makes you happy.
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Old Apr 19, 2011 | 08:54 PM
  #33  
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Originally Posted by 87 vette 81 big girl
I have watched at least 20 C5 & C6 Vettes blow out the rear diffs & halfshafts at the Illinois tracks.
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Old Apr 19, 2011 | 08:55 PM
  #34  
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Originally Posted by PLRX
Not one of those C5 or C6 owners were happy believe me.....

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