997Current model of the 911 C2, C2s, C4, C4S, Targa and Cabriolet Discussion. Sponsored ByHRE Wheels
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Stacy! we have to weight our cars to get accurate readings on the Gtech? how the heck am i going to get somebody to weigh my car? lol
I always use the truck scales here....!
Go in and ask,if they frown,throw a $20 at them....
The truck scales here measure in 10 pound increments!
Find a way...there are going to be alot of people posting gtech results soon!
Stacy
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Just received this in the mail today.....
It is a modified factory Porsche plenum....looks really good!
Hoping to install it tomorrow and possibly,if the weather clears up,getting out and testing it using my G-tech!
I will keep you guys posted!
Well guys I managed to go out and run this plenum today!
I ran with the new plenum 6 times and then back to the original set-up.
I tried it and a few small adjustments and the best RWHP number I managed to get was 384 RWHP......my factory set-up 401 rwhp.....
NOW I am NOT saying the plenum didn't help......it just didn't give me the peak power I am looking for.I do not have a way of measuring the bottom 'grunt' numbers.
What it did do was land right in the middle of my data logging sheets of 5000-7000 rpm times.
Also the throttle response felt more brisk and instant,so I would have to say it helped in the bottom end....again something I cannot measure right now!
It didn't better my 5000-7000 rpm times,so no point in keeping it on my car.
I have to say it is a very well built part and what will it do for a NA car will remain to be seen!
It is going up for sale!
*******PLEASE understand that my testing equipment is NOT a $50,000 dyno machine but rather simple data logging equipment.
I am using a G-tech,same stretch of road I always use,stop-watch and Durametric diagnostic software.
Please do not consider these the typical results but rather JUST mine!*******
Stacy
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That sucks, do you want to try out the lfw too :-)
LOL...just the opposite...now I am not thinking about that mod anymore!
I believe you are asking about the LWFW......I am already working on that!
I am trying to get Cattman or Northvan997C2S to g-tech their cars...they both have the LWFW!
I have also been TRYING to get a price from AWE on a LWFW and clutch BUT they didn't answer two emails and one phone message....I finally broke down to call them again today......got someone on the phone who said they would call me back this afternoon.They DIDN'T call me back!
I am hoping it is because they are REALLY busy....
Stacy
PS I also a bought another G-tech yesterday that is being shipped to Walter(2006997C4SCab) so he can test his car.He is the one with a supercharger with a 3.6" pulley.
Then we will get Cattman to test his set-up.....he has modded the crap out of his NA car including the LWFW!
Hopefully these two guys will be completely diligent in their set-up of the G-tech and honest with the results.As long as we are all this way then we as consumers may have a better idea of what to expect with certain mods?!
Especially IF we all run the same G-tech!
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Well guys I managed to go out and run this plenum today!
I ran with the new plenum 6 times and then back to the original set-up.
I tried it and a few small adjustments and the best RWHP number I managed to get was 384 RWHP......my factory set-up 401 rwhp.....
NOW I am NOT saying the plenum didn't help......it just didn't give me the peak power I am looking for.I do not have a way of measuring the bottom 'grunt' numbers.
What it did do was land right in the middle of my data logging sheets of 5000-7000 rpm times.
Also the throttle response felt more brisk and instant,so I would have to say it helped in the bottom end....again something I cannot measure right now!
It didn't better my 5000-7000 rpm times,so no point in keeping it on my car.
I have to say it is a very well built part and what will it do for a NA car will remain to be seen!
It is going up for sale!
*******PLEASE understand that my testing equipment is NOT a $50,000 dyno machine but rather simple data logging equipment.
I am using a G-tech,same stretch of road I always use,stop-watch and Durametric diagnostic software.
Please do not consider these the typical results but rather JUST mine!*******
Stacy
The plenum you tried was substantially smaller (in cfm handling) than the stock one. I know you are going to measure the capacity of the new plenum compared to the old one, but I suspect the new one is probably close to 30% smaller. In a forced induction intake, smaller is never good and will heat up the air charge as well play havoc with the flow. In an NA engine, reducing the throttle body or plenum size (within reason) can improve throttle response as well as improve volumetric efficiency which will add a few ponies at certain engine speeds. It will also lean out the engine. Much like putting your thumb over the end of a hose, the velocity of the air increases with little effect on the volume.
Remember, for high engine speeds, bigger is always better in an FI engine. The path which airflow takes in a fuel injected engine is far less critical than in a carbureted engine. You can get away with more sharp turns and use virtually any material you want, whereas an intake for a carburetor requires smooth turns and metal intakes to allow for a/f heating to insure that the mixture does not separate. Many people incorrectly apply the intake rules from carburetor times to injected engines.
Stacy,
The below comment is insulting and better left unsaid. Let's wait for the results.
Walt
"Hopefully these two guys will be completely diligent in their set-up of the G-tech and honest with the results."
Walter, I think that you are reading too much into this. Stacy is only trying to create a benchmark for which mods generate what numbers, by eliminating a few variables (different dynos) and picking a constant that can be easily moved around from city to city. If people aren't truthful, then the entire test will not be accurate.
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Walter, I think that you are reading too much into this. Stacy is only trying to create a benchmark for which mods generate what numbers, by eliminating a few variables (different dynos) and picking a constant that can be easily moved around from city to city. If people aren't truthful, then the entire test will not be accurate.
I agree with you Ed.
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Stacy,
The below comment is insulting and better left unsaid. Let's wait for the results.
Walt
"Hopefully these two guys will be completely diligent in their set-up of the G-tech and honest with the results."
Walt,
I have NO idea why you are thinking that this is an insult to you...if it is I apologize.John(Cattman) was just the opposite....he has already gone and weighed his car with a ton of excitement in his voice!
Quote:
Originally Posted by NorthVan997C2S
Walter, I think that you are reading too much into this. Stacy is only trying to create a benchmark for which mods generate what numbers, by eliminating a few variables (different dynos) and picking a constant that can be easily moved around from city to city. If people aren't truthful, then the entire test will not be accurate.
This is exactly WHY I said what I said because this G-tech will be passed along to whoever wants to try it in the future and I was only expressing how important the numbers are.
Have fun with it and be safe in the process....we all look forward to your numbers in the future.
Stacy
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Hopefully you were diligent and honest with your setup and results.
Why does the above statement bother me?, Because it is rude, condescending and unnecessary not to mention very obvious that we need to be honest with our reported results.
Hoping for honesty??? How about that being an unsaid expectation.
99- I take offense because my name is associated with being on the receiving end of a G-Tech and to hope I will be honest with my results is insulting to me.
Hopefully you were diligent and honest with your setup and results.
Why does the above statement bother me?, Because it is rude, condescending and unnecessary not to mention very obvious that we need to be honest with our reported results.
Hoping for honesty??? How about that being an unsaid expectation.
99- I take offense because my name is associated with being on the receiving end of a G-Tech and to hope I will be honest with my results is insulting to me.
Walt
I absolutely was honest with my data
My friend,you are reading too much into that statement.....
AND NO I was not offended by you asking me if I was honest with my results!
If you are that angry/upset/offended,let me know and I will forward you a payment to send it off to the next guy.
Again sorry if you feel this way!
Stacy
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All of this SENSITIVE conversation has made me stop, take a deep breath, and re-examine my INNER beauty
Stacy,
send me the tech and I will get a weight. Only one mod though(cans). I dont think the reds help the performance, but they might knock off a couple of pounds
Jim
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