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Supercharger or Turbo?

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Old 02-03-2016, 03:41 PM
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RHS Mock-UP was finished on Monday

 
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Old 02-05-2016, 01:30 AM
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Looking good
I can't wait to see more progress on that build
 
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Old 02-05-2016, 12:35 PM
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Nice project Stuart
 
  #19  
Old 02-08-2016, 10:09 AM
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did I mention, I want factory reliability for someone who does 4-500 mile drives a few times a year...
 
  #20  
Old 02-08-2016, 10:20 AM
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Originally Posted by got one View Post
did I mention, I want factory reliability for someone who does 4-500 mile drives a few times a year...
I don't see why that should be a problem, depending upon your definition of 'factory reliability.' You should be able to expect to drive the car hard, with no error states presenting, within a reasonable operating window.

However, simply by virtue of adding 200 BHP to your output, you will be placing higher wear rates on a number of components. Fortunately, things like gearbox, hubs, driveshafts etc are all at 'factory reliability' at similar output levels in things like the V12V, V12VS, GT12, etc... If you put a twin turbo system (or supercharger or any forced induction) onto your engine, you will be shortening the serviceable life of that engine, without question. By how much is a good question. We wouldn't be undertaking this project if we didn't think that the engine could handle the output over 10's of thousands of miles of use. If it was going to need major maintenance after a couple of 1/4 mile runs that would not be an acceptable compromise. However, given intelligent and sensitive use (proper warm up and cool down procedures etc.) and regular maintenance there is no reason one could not expect an V8 running these types of boost levels to operate reliably for many years.

BUT - you should not expect that engine to last as long as if it were left in its existing state. So it depends very much on your definition of 'factory reliability.'
 
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  #21  
Old 02-08-2016, 02:17 PM
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Twin turbo

Originally Posted by [email protected] View Post
I don't see why that should be a problem, depending upon your definition of 'factory reliability.' You should be able to expect to drive the car hard, with no error states presenting, within a reasonable operating window.

However, simply by virtue of adding 200 BHP to your output, you will be placing higher wear rates on a number of components. Fortunately, things like gearbox, hubs, driveshafts etc are all at 'factory reliability' at similar output levels in things like the V12V, V12VS, GT12, etc... If you put a twin turbo system (or supercharger or any forced induction) onto your engine, you will be shortening the serviceable life of that engine, without question. By how much is a good question. We wouldn't be undertaking this project if we didn't think that the engine could handle the output over 10's of thousands of miles of use. If it was going to need major maintenance after a couple of 1/4 mile runs that would not be an acceptable compromise. However, given intelligent and sensitive use (proper warm up and cool down procedures etc.) and regular maintenance there is no reason one could not expect an V8 running these types of boost levels to operate reliably for many years.

BUT - you should not expect that engine to last as long as if it were left in its existing state. So it depends very much on your definition of 'factory reliability.'
Looking impressive. It's gonna be a tight fit!
 
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Old 02-08-2016, 04:25 PM
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This is the most exciting AM project I have seen in years. Are you targeting the 4.3 or will it also work with a 4.7?
 
  #23  
Old 02-08-2016, 04:45 PM
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Originally Posted by jaymoney View Post
This is the most exciting AM project I have seen in years. Are you targeting the 4.3 or will it also work with a 4.7?
It will fit both.

We are engineering into the kit, some upward capacity as I already have significant interest in a 'Stage 2' 900-1000BHP kit with built engine, GT3 halfshafts, etc, etc.
 
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  #24  
Old 02-08-2016, 10:40 PM
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Neither, you can make stupid power NA on these Cosworth Ford V8s.

Eurocharged tune & high flow cats better 60hp @ crank alone. With a set of headers you are looki at probably close to 80hp. You don't need more power than that.
 
  #25  
Old 02-09-2016, 07:10 AM
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Originally Posted by 007 Vantage View Post
Neither, you can make stupid power NA on these Cosworth Ford V8s.

Eurocharged tune & high flow cats better 60hp @ crank alone. With a set of headers you are looki at probably close to 80hp. You don't need more power than that.
Thanks again for another useful contribution....

1. No it doesn't.
2. +80BHP = 460BHP on a 4.3, so everyone who has a V12V, V12VS, C7 Corvette, any sort of Lamborghini (oh wait, didn't you claim to own one?) Ferrari, etc. has too much power?
 
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  #26  
Old 02-09-2016, 07:31 AM
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Adding parts doesn't add power in simple math terms. A set of headers might add 30 HP to stock car, but only 5 HP to a car with high-flow cats and a tune. Because all the "Added xx HP" statements refer to peak HP gains.

Power can be added (and lost) across the entire rev range. So a 20 HP gain could happen well below peak power. In that circumstance, you could gain 20 HP on a 430 HP car and still only make 430 HP. Peak power isn't changed, but the power curve is.

Saying each modification adds a specific amount of power generally provides incorrect information, and adding each power increase per mod doesn't work.

Not only is HP added (or lost), but so is torque. A modification might lose you 5 HP but gain you 20 lb-ft (TQ). Losing HP might seem like a bad thing, but what if you spend all your time using lower revs? If I never hit 7k RPM in a truck, why would I care about a 5 HP loss when I've gained 20 TQ down low, which is where the truck gets used? Not just trucks, but also cars with automatic transmissions benefit greatly from increased TQ even if it means sacrificing some HP up top.

As for the turbo kits... I can't wait to see one of these in action. I'm curious how a 800 HP V8VTT (yessss) will be able to handle that much power. I'm sure it'll be tons of fun but holy crap I'm already scared of this thing lol
 
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Old 02-09-2016, 10:20 AM
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So I guess the natural question at this point is how do you envision the kit in terms of components. I would think that the turbos incorporated with the cats/heads/air filters and tune would being about that xxx factor performance gain. Any idea of price yet and timeframe?
 
  #28  
Old 02-09-2016, 10:33 AM
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Originally Posted by jaymoney View Post
So I guess the natural question at this point is how do you envision the kit in terms of components. I would think that the turbos incorporated with the cats/heads/air filters and tune would being about that xxx factor performance gain. Any idea of price yet and timeframe?
Headers, Turbos, Downpipes, Wastegates, BOV, Filters, plumbing and Intercooler plus a couple of brackets and bits and pieces to move a line or two. Decat pipes. Option to add Sport cats.

Our Target price is $12,000. May creep up to $12,500 or $13,000 depending on a couple of variables. But I think we're around 90% certainty, have done all the big numbers.

Install is probably 16-18 hours. So I think sub $15,000 installed is a fair expectation. A $40K low miles 2007 Coupe + $15K 600HP Turbo package is a pretty appealing car versus what else $55K would buy you!
 
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Old 02-09-2016, 10:51 AM
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Do you think that there would be a remarkable difference in the performance outcome between the 4.3 vs 4.7?
 
  #30  
Old 02-09-2016, 11:02 AM
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Originally Posted by jaymoney View Post
Do you think that there would be a remarkable difference in the performance outcome between the 4.3 vs 4.7?
Starting with another 40BHP, I'd expect it to finish with another 45-50BHP.
 
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Office: (1)236-422-3341
Mobile: (1)-250-460-1775
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