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9krpmrx8's Boost Build Thread

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Old 06-21-2011, 03:34 PM
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Originally Posted by Highway8
and the intercooler to engine pipes should be coated with a heat barrier coating to shield them from the underhood temps.
.
Bad idea . Completely screws up the bling factor from a nicely polished Al. pipe
Old 06-21-2011, 03:51 PM
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Originally Posted by Brettus
Bad idea . Completely screws up the bling factor from a nicely polished Al. pipe
Not true. There are many companies who offer a polished aluminum coating or sometimes you can even choose from a a variety of base colors. Although the best coatings are usually flat borring colors.
Old 06-21-2011, 03:56 PM
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Originally Posted by Brettus
Bad idea . Completely screws up the bling factor from a nicely polished Al. pipe

Plus women are like seagulls in the fact that they are highly attracted to shiney objects
Old 06-21-2011, 03:56 PM
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Originally Posted by Brettus
Bad idea . Completely screws up the bling factor from a nicely polished Al. pipe

yeah the zirconium coating the guy sis recommending only comes in a military drab greenish color So i guess my engine bay will now be a military color scheme.
Old 06-21-2011, 03:59 PM
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Originally Posted by RotaryMachineRx
Plus women are like seagulls in the fact that they are highly attracted to shiney objects
Is that why they like to polish ***** ?
Old 06-21-2011, 04:26 PM
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Whoa!
Old 06-21-2011, 04:27 PM
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^haha... one thing leads to another and thats why I polish my intake/charge piping
Old 06-21-2011, 04:29 PM
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Originally Posted by 9krpmrx8
Yeah I will also be using a air/water inter-cooler instead of the Greddy inter-cooler so I am going to talk to him about getting that coated as well. I also need to work on duct work for the front as well but my sheet metal skills suck so it is a slow learning process.
With a W/A intercooler it would be prudent to fit your IAT sensor post IC .
Old 06-21-2011, 04:35 PM
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Originally Posted by Brettus
With a W/A intercooler it would be prudent to fit your IAT sensor post IC .

I just read your info on that, now I need to read it again
Old 06-21-2011, 11:50 PM
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Originally Posted by Brettus
Really - so you have tuned a car with these on ?
what are you tuning with and at what skill level?

perhaps you can explain how these same injectors are being used on non-RX8 applications without experiencing the issue you are claiming, but probably not since you don't likely have any experience tuning them there ...

I attached a good injector report, this was a used set of unmodified 6 port injectors I had flowed by a world class engine builder

.
Attached Files
File Type: pdf
6portinjectorreport.pdf (51.9 KB, 157 views)

Last edited by TeamRX8; 06-22-2011 at 12:07 AM.
Old 06-22-2011, 12:35 AM
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Originally Posted by TeamRX8
what are you tuning with and at what skill level?

perhaps you can explain how these same injectors are being used on non-RX8 applications without experiencing the issue you are claiming, but probably not since you don't likely have any experience tuning them there ...
.
As I mentioned earlier - it's not what they flow on the bench that matters it's what they flow in the car . In that scenario they don't do what you might expect them to for reasons I (admittedly) don't fully understand. When you have actually done that for yourself you can tell me how you overcame this . Until then , stop talking out of your *** .

You also might want to try explain why a certain members car (tuned by MM) with the uncapped yellows made 50whp LESS than my car has and ran out of Injector when, if the bench tests are to be believed , it had a good 600 ccs more capacity than I did .

Last edited by Brettus; 06-22-2011 at 12:43 AM.
Old 06-22-2011, 12:45 AM
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I understand completely, but in typical fashion you cannot see the forest because the trees are in the way
Old 06-22-2011, 12:47 AM
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Originally Posted by TeamRX8
I understand completely, but in typical fashion you cannot see the forest because the trees are in the way
You do ? Please enlighten us ?
Old 06-22-2011, 12:57 AM
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it's not because of the injectors themselves as all of your erroneous guesses and assumptions are presuming, that has been and is my only point
Old 06-22-2011, 01:00 AM
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Originally Posted by TeamRX8
it's not because of the injectors themselves as all of your erroneous guesses and assumptions are presuming, that has been and is my only point
So you don't actually know . But you think my tuning must be at fault ?

Did you read my edit above re the MM tune ?
Old 06-22-2011, 01:10 AM
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Originally Posted by Brettus
As I mentioned earlier - it's not what they flow on the bench that matters it's what they flow in the car . In that scenario they don't do what you might expect them to for reasons I (admittedly) don't fully understand. When you have actually done that for yourself you can tell me how you overcame this . Until then , stop talking out of your *** .

You also might want to try explain why a certain members car (tuned by MM) with the uncapped yellows made 50whp LESS than my car has and ran out of Injector when, if the bench tests are to be believed , it had a good 600 ccs more capacity than I did .
Well my car was running uncapped yellows in the P2 and was fine up to 300 rwhp, above that I ran out, but I have a power robbing supercharger. So if I had a turbo flowing the same amount of air, I would be making about 350 rwhp on stock 290/380/780's (per KG-parts)
Old 06-22-2011, 01:12 AM
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it's not because of the injectors themselves as all of your erroneous guesses and assumptions are presuming, that has been and is my only point
Lets play the guessing game (or I will at least). So I am guessing for these larger injectors to flow at there rating the fuel pressure also hase to go up?
Old 06-22-2011, 01:20 AM
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Originally Posted by Highway8
Well my car was running uncapped yellows in the P2 and was fine up to 300 rwhp, above that I ran out, but I have a power robbing supercharger. So if I had a turbo flowing the same amount of air, I would be making about 350 rwhp on stock 290/380/780's (per KG-parts)
Here is the funny part ........ Mine ran out at just under 350whp with nothing extra but blues which (supposedly) flow 480 .

Last edited by Brettus; 06-22-2011 at 01:31 AM.
Old 06-22-2011, 03:19 AM
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Originally Posted by TeamRX8
perhaps you can explain how these same injectors are being used on non-RX8 applications without experiencing the issue you are claiming,


.
How about this :

In other applications the injectors will probably have their OWN latency tables . On our cars the P2s and Secondaries share the same table so it is not prudent to adjust the table to suit the UC yellows in P2 position.


?????
Old 06-22-2011, 01:37 PM
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Originally Posted by 9krpmrx8
I got my ark design timer, some duct work, and the intake velocity stack Team recommended.
what is the intake velocity stack?




oh and if anyone askes, the quote is from another thread
Old 06-22-2011, 02:02 PM
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Originally Posted by RWD+LSD=Zoom
what is the intake velocity stack?




oh and if anyone askes, the quote is from another thread

You must have missed it in this thread, like on page 4 or 5. Team linked it

http://www.turbohoses.com/velocity_stack.htm
Old 06-22-2011, 02:11 PM
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so this is like the trumpet inside the stock intake box.

I like the idea. I saw vibrant made the same thing.
Old 06-22-2011, 02:12 PM
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Originally Posted by RWD+LSD=Zoom
so this is like the trumpet inside the stock intake box.

I like the idea. I saw vibrant made the same thing.

Yes sir.
Old 06-22-2011, 02:41 PM
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Originally Posted by 9krpmrx8
You must have missed it in this thread, like on page 4 or 5. Team linked it

http://www.turbohoses.com/velocity_stack.htm

The science behind it makes sense; but a gain of 20whp claimed?
Old 06-22-2011, 03:02 PM
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Originally Posted by RotaryMachineRx
The science behind it makes sense; but a gain of 20whp claimed?

Yeah, I could care less about HP claims, I just want the best intake possible. I have been doing some unscientific testing using a few custom intakes i have made using a few different filters and the AEM and some aluminum piping and panels I have and I can tell you the key is intake temps. insulating the piping and putting the filter out of the engine bay makes about a 40F difference in intake temps at the limit. It makes you realize how good the stock system is. The stock intake box and the stock tray under the box are very well insulated.

I'll give you this for a laugh GMC 6.0L stock paper filter

http://www.flickr.com/photos/9krpmrx8/5846411133/http://www.flickr.com/photos/9krpmrx8/5846411133/ by http://www.flickr.com/people/9krpmrx8/, on Flickr


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