Single Turbo RX-7's Questions about all aspects of single turbo setups.

Steve Kan Tuned my car today 434rwhp@15psi

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Old 08-22-05, 10:17 PM
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Soo....this made the same power as broken's gt35r but it walked all over it? I'm confused? What does this thing have supercharger responce?
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Old 08-22-05, 10:38 PM
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where is this "translation" coming from?
all i see is that it made 355rwhp@15psi....
if you're saying it was on a mustang dyno and 355 translates to 434 on a dynojet, then can i send you my graph with 426.2rwhp@.8bar on a mustang dyno at 4200ft elevation? what does that "translate" to?
pineapple built, medium-sized porting.

makes me wish i dyno'd when i turned the boost to 1.15bar....

i think this just needs some clarification. what are the specs on this turbo from divinci?
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Old 08-22-05, 11:25 PM
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Originally Posted by meddle
This turbo rips. Outperformed the gt35r hands down.
I disagree! At 4000 rpm it barely broke 200ftlbs torque and was not well spooled until about 4400. At about 4500 rpm it hit about 265ftlbs.

On stock ports GT35R at 15psi at 3300rpm I had my 200ftlbs, by 4000rpm had 270ftlbs torque. Was spooled up by 3600 rpm.

So how does it totally beat a GT35R?
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Old 08-22-05, 11:34 PM
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Originally Posted by cewrx7r1
I disagree! At 4000 rpm it barely broke 200ftlbs torque and was not well spooled until about 4400. At about 4500 rpm it hit about 265ftlbs.

On stock ports GT35R at 15psi at 3300rpm I had my 200ftlbs, by 4000rpm had 270ftlbs torque. Was spooled up by 3600 rpm.

So how does it totally beat a GT35R?
The graph above is of the GT35R T4 divided housing, on a street ported motor.

-Alex
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Old 08-23-05, 04:26 AM
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Originally Posted by cewrx7r1
I disagree! At 4000 rpm it barely broke 200ftlbs torque and was not well spooled until about 4400. At about 4500 rpm it hit about 265ftlbs.

On stock ports GT35R at 15psi at 3300rpm I had my 200ftlbs, by 4000rpm had 270ftlbs torque. Was spooled up by 3600 rpm.

So how does it totally beat a GT35R?
That graph was with the GT35R
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Old 08-23-05, 08:38 AM
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Originally Posted by LUPE
That graph was with the GT35R

Late at night, ME BE BAD!
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Old 08-23-05, 08:48 AM
  #32  
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I would seriously doubt that the AF61R would spool as quickly as the 35R. Not saying the 61R isn't one hell of a turbo, I just don't think it would have the response of the 35R. Just my .02

Zach
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Old 08-23-05, 10:54 AM
  #33  
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lets see the 355rwhp@15psi sheet.
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Old 08-23-05, 12:26 PM
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[QUOTE=cewrx7r1]I

nevrrmind
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Old 08-23-05, 12:28 PM
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Originally Posted by dubulup
lets see the 355rwhp@15psi sheet.
What 355whp sheet? It said "434rwhp@15psi 325torqe@15psi".

..::EDIT::..
Originally Posted by Carl Byck
Is the following quote from Steve talking about this car?
" next was a TII with Davichi turbo and haltech. The car made 355rwhp@15psi. This translate to around 426rwhp on dynojet. The duty cycle was around 82% with the base pressure of 45psi running 550cc/1600cc. a/f was around 10.6-10.9 (i tuned it richer since I thought it was making a little too much hp)."
Just curious....
Ah ok i see it, my mistake

Originally Posted by cewrx7r1
I disagree! At 4000 rpm it barely broke 200ftlbs torque and was not well spooled until about 4400. At about 4500 rpm it hit about 265ftlbs.
On stock ports GT35R at 15psi at 3300rpm I had my 200ftlbs, by 4000rpm had 270ftlbs torque. Was spooled up by 3600 rpm.
So how does it totally beat a GT35R?
Even tho its been stated that the dyno you are looking at was the t4 divided gt35r I'm gonna guess and say you started your pull way lower then they did thats why the numbers are lower at the botton. Also was yours done on a t3?

Last edited by tripleseis; 08-23-05 at 12:36 PM.
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Old 08-23-05, 01:56 PM
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Originally Posted by LUPE
Relax, jack!

You get soo damn worked up it's funny....

How about you bring your best GT35R set up down to St.Louis and Davinci will bring their best AF61R setup and see who out performs one another?

I've got 5 on the AF61R.
I'm not even slightly worked up, I just hate blanket statements, they breed ignorance.
What my customers choose to do with their cars is up to them. The only way I would compare the two would be the same neutral driver for both cars. It eliminates the driver factor.
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Old 08-23-05, 02:00 PM
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Originally Posted by Zero R
The only way I would compare the two would be the same neutral driver for both cars. It eliminates the driver factor.
Are you saying you can't drive? Common, how about an old fashion race?
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Old 08-23-05, 09:56 PM
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How about some acurate info on this turbo? I still have not seen this dyno sheet or a flow chart for the 61R and I was hoping to.
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Old 08-24-05, 07:46 AM
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just paraphrasing some info I have read....

this trubo has a GT61 compressor wheel
at least one advertisement reads a GT61 will produce more horsepower than a 35R...this last tidbit was not a Davinci ad
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Old 08-24-05, 09:38 AM
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If my memory serves the GT61 wheel is basically the same wheel in a 35R They both a rated anywhere from 640-680hp or 65lbs by Garrett and Precision. Basically your only difference would be the hotside at that point.

Last edited by Zero R; 08-24-05 at 09:43 AM.
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Old 08-24-05, 09:46 AM
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Originally Posted by LUPE
Are you saying you can't drive? Common, how about an old fashion race?
HA! No I am saying If you want to compare the actual cars that would be the only logical whay to do it.
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Old 08-24-05, 10:08 AM
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Hrmm... from what I hear, this turbo is probably very similar to the 35R. Why do you say it's better? You don't really know. Anyone who knows and can show HOW please step up, or else everyone else please stop promoting misinformation.
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Old 08-24-05, 11:36 AM
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Originally Posted by YayeR
Hrmm... from what I hear, this turbo is probably very similar to the 35R. Why do you say it's better? You don't really know. Anyone who knows and can show HOW please step up, or else everyone else please stop promoting misinformation.
It's all hype..... that Davinci Car put down great power for how fast it spools(Pump Gas)........It also put out alot more hp that the GT35R car (On race gas).

If you want to call that hype so be it

I'd like to take a look at the sheet again too...........
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Old 08-24-05, 12:09 PM
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I have a hunch the GTQ exhaust wheels might not get along with the rotary exaust.

Mazda and Hitachi designed an impact exhaust wheel just for the rotary that was quite an improvement over the old standard wheel. It doesn't look at all like GTQ.
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Old 08-24-05, 12:31 PM
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Lupe, the GT35R car you're talking about was on pump gas @ 16psi and it put down 436whp. So I would double check my facts if I were you. Otherwise you sound like an idiot. Just my .02 though.

Zach
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Old 08-24-05, 12:47 PM
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He is referring to books car. Not broken09s. I am wondering how it was within a few hp of our dyno run on a much hotter day. 322 compared to 334. All we did was run a few baseline runs to check the existing tune on the car.
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Old 08-24-05, 01:24 PM
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You must not have read books' previous post about him dynoing at 13psi on your dyno compared to 15psi on this one. the real question is, shouldn't his car be making around 400rwhp on a stock engine using your 35R kit as advertised? If you want to use the 334rwhp that he made on your dyno (which sounds like you claimed it was at 15psi). That's about 60rwhp low. So why is his car made such a low number on your dyno?



Originally Posted by Zero R
He is referring to books car. Not broken09s. I am wondering how it was within a few hp of our dyno run on a much hotter day. 322 compared to 334. All we did was run a few baseline runs to check the existing tune on the car.
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Old 08-24-05, 02:37 PM
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Originally Posted by BoostedRex
Lupe, the GT35R car you're talking about was on pump gas @ 16psi and it put down 436whp. So I would double check my facts if I were you. Otherwise you sound like an idiot. Just my .02 though.

Zach
The car that I'm talking about was running 110 race gas last weekend. You're the ***.
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Old 08-24-05, 04:53 PM
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AF61R specs as follows

t-4 flange

modular center/backwall

.313 dia. shaft

compressor has 4" inlet x 3" outlet

1.0 divided turbine w/4" outlet

small "Q" trim turbine 76mm x 68mm

compressor is 61mm x 84mm rated 82% @ 18psi 64#/min.


$750 ( V-band and flange are sold seperatly for 55.00 )




Thanks, Ron.
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Old 08-24-05, 04:54 PM
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Originally Posted by pluto
You must not have read books' previous post about him dynoing at 13psi on your dyno compared to 15psi on this one. the real question is, shouldn't his car be making around 400rwhp on a stock engine using your 35R kit as advertised? If you want to use the 334rwhp that he made on your dyno (which sounds like you claimed it was at 15psi). That's about 60rwhp low. So why is his car made such a low number on your dyno?
Here we go again!!! Must you always accuse and insinuate things. I'm tired of it, your an ***. PERIOD! You do nothing but talk crap and imply things anytime you get your chance. Why must you always turn these threads into shitfests!!

HERE IT IS!! The advertisment as you call it. Right off the website.

" This turbo kit provides great streetability and a broad powerband, perfect for street driving and road racing. 385-395 RWHP on low boost, pump gas and conservative tuning and over 400+ with increased boost, octane and aggressive tuning. "

So where please tell me where it says 400whp@15lbs? That is what everyone on this forum "claims" Please tell me where it even mentions a psi?? We have seen it on a few cars. We usually see around 385 on stock ports.

Now according to you with your 20% where was books about?? Lets see....

Originally Posted by pluto
next was a car with the GT35R turbo and a ported engine. The car made 322rwhp@15psi. with the 20% estimate, it made 386rwhp. I think this is the car that I feel has a restrictive exhaust system. (can't remember). a/f was around 10.9-11.0
Huh?? What was that 386whp?? Sounds about right in line with other cars. Including Pedros who happens to run a almost identical setup which you also tuned, and I might add convinced him he had to have it tuned from the mid-pipe because tuning from the tail pipe was wrong!! Same as the other guy Mike who you also told the same lame crap to, and guess what? After retuning to the midpipe at another shop he got 3hp more. Woah!! So your either wrong about the 20% or your wrong about how low my dyno was hmmmm.....

All I asked in the beginning was "Was it Daves car?" That was it. Nothing more. Then I asked why are the numbers so close to ours? That was all. I did miss that you guys ran it at a higher boost level. Sorry for that one. I didn't even question the numbers!!! Then I have you and twinkle toes accuse me of hating and bashing, or imply that I am misleading my customers.

So here goes I'm tired of you stirring up the pot. I have yet to actually see a tune from you that dosen't need some magical correction by the great Khan. You do your best to trash talk to all my customers. Which is fine. You can do that. I base my business on what I do, not what others do.You keep up the good work!!! You keep giving your customers %'s and estimates to make them feel better. You keep telling my customers how bad their tune is and that they need to spend more money only to have 3hp more made on a different dyno, on a different day, some couple hundred miles away. Me? I'll keep putting dyno sheets out that wont need some kind of X factor. (Kinda like the one already posted.) I'll keep NOT trash talking you to my cutomers. I'll keep building cars that don't blow up over and over. I also will from now on not bother with replying to you. Unless of coarse it is to the same "stoopid" level you implications are at. This way you wont feel alone or left out of the implication process.

Example

Originally Posted by pluto
You must not have read books' previous post about him dynoing at 13psi on your dyno compared to 15psi on this one. the real question is, shouldn't his car be making around 400rwhp on a stock engine using your 35R kit as advertised? If you want to use the 334rwhp that he made on your dyno (which sounds like you claimed it was at 15psi). That's about 60rwhp low. So why is his car made such a low number on your dyno?
Originally Posted by Zero R

As we all know and have heard many times Mr.Khan it's all in the tune........

I'm done with you, don't even bother to reply. I wont. You do nothing but bring these threads down the moment I post in them. I'm SOOOO tired of the drama. Others can suck up to you all day long for all I care. I said it the other time you started your insinuating about our abilities. If the customer is happy with the results who cares what anyone else in this thread thinks, it's HIS car.

Johnrxt2 enjoy the car!!! It sounds like you have a great car. None of this was/is directed torwards you or your setup. Sorry this got stuck in your thread.
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