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

aspec gt3540r

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Old 06-08-07, 07:24 PM
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Talking aspec gt3540r

Just about finished with my gt35 project, I bought the a-spec short runner kit from cosmo kramer back in november and it has been a long way coming. Enjoy.
begining

tear down

prep for paint

paint

fuel lines kg secondary +1600cc's

turbo & lines

fpr

greddy profect spec II


plx wb & dataloggit



video of idle


Just getting all the loose ends together.. still have the a1000+filter, surge tank, 3bar map sensor, hks twin ign amplifier , & plugs and plug wires to put on before we can call her done. Steve Kan will be tuning her the 1st weekend in July
Old 06-08-07, 07:29 PM
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looks pretty sweet!
Old 06-09-07, 12:02 AM
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Nice, why did you paint the engine bay black? (your car is orange, red & black?)
That's alot of clearance on intake manifold side. Does it rub on the fender side?
Is that a Greddy FMIC? It doesn't look like it leaves room for the bumper.
Old 06-09-07, 10:15 AM
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Originally Posted by GoRacer
Nice, why did you paint the engine bay black? (your car is orange, red & black?)
That's alot of clearance on intake manifold side. Does it rub on the fender side?
Is that a Greddy FMIC? It doesn't look like it leaves room for the bumper.
The whole car used to be red, we didn't pull the motor to paint the engine bay while we painted the whole car so this was the closest to having everything out of the way as its been. It was easier to paint it black then to use sealer and paint it orange. It doesn't rub on either side and yes its a Greddy 3 row. Havn't fit the bumper back over it yet so we'll see about the fitment
Old 06-09-07, 10:57 AM
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Looking good. Just make sure those braided fuel lines don't rub against anything vital, especially the starter and any of its electrical connections. Sparks and fuel line don't mix very well.
Old 07-09-07, 07:03 PM
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steve kan tuned her this weekend, she made 417rwhp on pump gas at 15psi and 501rwhp & 426tq on c16 at 22psi
Old 07-09-07, 07:10 PM
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Good numbers, tell Steve I said thanks


-S-
Old 07-09-07, 07:12 PM
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sweet, a A-Spec GT35R kit busting out 500rwhp
Old 07-09-07, 07:14 PM
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Wow those are great numbers,

Are those stock engine/ports??

-Ben
Old 07-09-07, 07:20 PM
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yes stock ports and stock oem 2mm seals.
Old 07-09-07, 07:37 PM
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Awesome, how long do you anticipate that the stock engine will last with 400rwhp? or is the boost down at the moment? I was always under the impression that a rotary should be dowwed and pinned at anythign above 300rw.

-Ben
Old 07-09-07, 07:42 PM
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Originally Posted by apexFD
Awesome, how long do you anticipate that the stock engine will last with 400rwhp? or is the boost down at the moment? I was always under the impression that a rotary should be dowwed and pinned at anythign above 300rw.

-Ben
boost is down to 15psi (which was the 417whp) It will last FOREVER
Old 07-09-07, 08:06 PM
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Originally Posted by apexFD
Awesome, how long do you anticipate that the stock engine will last with 400rwhp? or is the boost down at the moment? I was always under the impression that a rotary should be dowwed and pinned at anythign above 300rw.

-Ben
Great job on the build!! I have beat the hell out of my 373 rwhp non-seq. twins (15-16 psi). Have 14000 on this block. I think anything over 425-450 rwhp it would be a good idea to pin it. Stock motor to p-port is fine. Just get enough fuel in and good tune. G
Old 07-09-07, 08:29 PM
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nice job
Old 07-10-07, 05:45 PM
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cool, sounds like a real fun car to drive!
Old 07-10-07, 05:55 PM
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Originally Posted by apexFD
Awesome, how long do you anticipate that the stock engine will last with 400rwhp? or is the boost down at the moment? I was always under the impression that a rotary should be dowwed and pinned at anythign above 300rw.

-Ben
The motor definitely doesnt have to be doweled/pinned at 300 rwhp, maybe at 600 rwhp.

Candy3s, congrats on the numbers man! I remember when Ihor made 470 at 20 psi on a t3 35R way back in the day, so I'm not surprised at all. I'm stoked to get my setup tuned, soon soon soon........
Old 07-10-07, 06:09 PM
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Great job! I am really glad to hear it did so well!

To think that this was my old turbo setup...I KNEW it could make great power!

I wonder what my new setup will put down?
Old 07-10-07, 06:19 PM
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im def happy to see those numbers at 15psi....but 417 is kinda not the avg fpor a stock motor...do u have dyno chart. there was nocreep usually stock ports net 417 at more like 16-17 ??? anybody?
Old 07-10-07, 07:07 PM
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Originally Posted by GoodfellaFD3S
The motor definitely doesnt have to be doweled/pinned at 300 rwhp, maybe at 600 rwhp.

Candy3s, congrats on the numbers woman! I remember when Ihor made 470 at 20 psi on a t3 35R way back in the day, so I'm not surprised at all. I'm stoked to get my setup tuned, soon soon soon........
Thank You. Good luck on your set-up
Old 07-10-07, 07:10 PM
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Originally Posted by cozmo kraemer
Great job! I am really glad to hear it did so well!

To think that this was my old turbo setup...I KNEW it could make great power!

I wonder what my new setup will put down?
I had my doubts about the short-runner kit, but I'm more then happy with it now. Hope your project goes well.
Old 07-10-07, 07:40 PM
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Originally Posted by GoodfellaFD3S
The motor definitely doesnt have to be doweled/pinned at 300 rwhp, maybe at 600 rwhp.

Candy3s, congrats on the numbers man! I remember when Ihor made 470 at 20 psi on a t3 35R way back in the day, so I'm not surprised at all. I'm stoked to get my setup tuned, soon soon soon........
I remember when Nocab72's car made 450's at 17psi (T3 35R) before that...and Kyle used to call him Eyewhore, I think. That was what, 5 years?
Old 07-10-07, 08:53 PM
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dyno sheet by any chance?
Old 07-11-07, 10:28 AM
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Originally Posted by Candy3s
I had my doubts about the short-runner kit, but I'm more then happy with it now. Hope your project goes well.
Why? I never have. People walked around saying it doesn't work well yet clearly it can. I've had them here put out very similar numbers, I have been telling people for I don't know how long you need to turn up the boost. We've seen about a 10hp difference from long runner to short runner. Not too big a difference when you think you can lose/gain that much just depending on different overall setups.


Originally Posted by njstreetrx7

im def happy to see those numbers at 15psi....but 417 is kinda not the avg fpor a stock motor...
At 15psi 417whp on stock ports is about where you'll land it's on the higher side but not out of line, you may be 390 you maybe 420 there is a lot that goes into it. I've seen well engineered solid cars put down crappy numbers. I've seen just the opposite.






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Old 07-11-07, 11:35 AM
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keep in mind that the correction factor was extremely high due to the high altitude. I think it was 1.23. The numbers seemed slightly inflated and I told Candice that it might be off a little. Uncorrected hp at 23psi was 414rwhp? I maxed out the flow on the turbo, it wasn't holding anymore boost and was slowly dropping to 21ish psi towards the higher rpm.



Originally Posted by njstreetrx7
im def happy to see those numbers at 15psi....but 417 is kinda not the avg fpor a stock motor...do u have dyno chart. there was nocreep usually stock ports net 417 at more like 16-17 ??? anybody?
Old 07-11-07, 12:00 PM
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Originally Posted by pluto
keep in mind that the correction factor was extremely high due to the high altitude. I think it was 1.23. The numbers seemed slightly inflated and I told Candice that it might be off a little. Uncorrected hp at 23psi was 414rwhp? I maxed out the flow on the turbo, it wasn't holding anymore boost and was slowly dropping to 21ish psi towards the higher rpm.
That would totally make sense the compressor is pretty much done at that point. We had the one car here overboost up to 25lbs and If memory serves we hit 530. Not a great way to get those numbers I'll admit but we weren't trying to either.

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