GT3574 Dyno results: stock port 10AE
09-14-09, 10:32 AM
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GT3574 Dyno results: stock port 10AE
Hey guys. I just got my car back from A-spec where I had them give everything a once over and tune my GT3574 setup. The car is setup as following:
88 10 AE original 50,000 miles 115/115 compression
Stock ports
GT3574 regular runners
microtech LT12
J spec intake manifold
Greddy spec V front mount 2.75" piping
550/1650 injectors
parallel fuel setup with surge tank
walbro feeding surge tank, 044 pulling feeding high pressure
3" down pipe to dual 2.5"
At 15 PSI the car laid down 423 RWHP and 349 ft-lbs torque
88 10 AE original 50,000 miles 115/115 compression
Stock ports
GT3574 regular runners
microtech LT12
J spec intake manifold
Greddy spec V front mount 2.75" piping
550/1650 injectors
parallel fuel setup with surge tank
walbro feeding surge tank, 044 pulling feeding high pressure
3" down pipe to dual 2.5"
At 15 PSI the car laid down 423 RWHP and 349 ft-lbs torque
09-14-09, 03:01 PM
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Well if you notice the run is cut at 7k. Without additional mods to the engine it was recommended I not take the RPM higher or push much more HP out of it.
It also made this much power with a bad intake leak at the base of the lower manifold. The A-spec guys think it might have rolled 430-435 had it not been leaking during the run.
It also made this much power with a bad intake leak at the base of the lower manifold. The A-spec guys think it might have rolled 430-435 had it not been leaking during the run.
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09-15-09, 10:31 AM
#15
F**K THE SYSTEM!!
Yeah im wondering if it is the 3 peice seals.. Cause if it is 100% original motor than im going to try to push my j spec to 15 psi ont he BNR for sure!!
*nEEDS to get his haltech already*
*nEEDS to get his haltech already*
09-15-09, 11:51 AM
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all stock internals. But the car has had a VERY easy life. All stock except for a cone filter and the boost set to 7 psi on the stock turbo the car went 14.2 @100
09-15-09, 01:43 PM
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The car is not my daily driver and I just got it back so I've had it WOT 3 times. A Spec didn't go too aggressive on timing or leaning it out. It seems this motor just wanted to make some power.
09-16-09, 01:54 AM
#20
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Why the hell are so many kids afraid to push the stock engine ??
This isn't like the first person to get decent HP out of a stock block, stock ports etc
Pushed 340rwhp out of my old stock block for a good 6 yrs before I decided on a change.
Well done again to the original poster, enjoy the power
This isn't like the first person to get decent HP out of a stock block, stock ports etc
Pushed 340rwhp out of my old stock block for a good 6 yrs before I decided on a change.
Well done again to the original poster, enjoy the power
09-16-09, 02:52 AM
#21
Turd Ferguson
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because of the misconception that the rotary is "fragile" . it's fragile when it's tuned incorrectly... or more often the case - not tuned at all.
(by tuned I mean both ecu and supporting mods)
(by tuned I mean both ecu and supporting mods)
09-16-09, 07:58 AM
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A spec mentioned the rear iron when I asked how the stock internals can take the power. Basically with 425 to the wheels I'm getting border line but it should be fine. Push it to 450ish and there would be more concern.
As for the seals, provided there is no detonation there should be no problem. The combustion pressure with boost would be far less than one good detonation. With the 044 and surge tank setup there is no fuel delivery issues. With the 550/1650 injectors I was using ~75% according to Ryan at A spec.
As for the seals, provided there is no detonation there should be no problem. The combustion pressure with boost would be far less than one good detonation. With the 044 and surge tank setup there is no fuel delivery issues. With the 550/1650 injectors I was using ~75% according to Ryan at A spec.
09-16-09, 10:36 AM
#24
F**K THE SYSTEM!!
Ok. I used to doubt pushing my motor without atleast changing the apex seals.
But you guys have shown me the light. ALl i need now is some 1680's and a haltech.=)
But you guys have shown me the light. ALl i need now is some 1680's and a haltech.=)
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