HKS 3037s Spool Up
May 11, 2005, 07:27 AM
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Originally Posted by housedj
i think it's all in the tuning. i know a guy with an early 90's mazda mx-6 w/a turbonetics T70 on a 2.0 spooling @ 4K rpm. that car runs 10.80's on slicks. On his EVO with a 4G64 block, his STOCK turbo is at full spool by 2200, YES, 2200 RPM's!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
May 11, 2005, 09:04 PM
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Originally Posted by Smogrunner
Here is IE's graph of his 3037 with the .63 A/R. This was on 103 unleaded. Hope this is helpful.
Is his 3037 a HKS unit? If not, can you tell me where he got it from? Also, what psi is he running? His Hp/trq looks great. I wonder how his spool up is. From the graph he seems to be getting peak torque @ 5000rpms.
Thanks
Ben
May 11, 2005, 09:13 PM
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Originally Posted by woobos
Hi
Is his 3037 a HKS unit? If not, can you tell me where he got it from? Also, what psi is he running? His Hp/trq looks great. I wonder how his spool up is. From the graph he seems to be getting peak torque @ 5000rpms.
Thanks
Ben
Is his 3037 a HKS unit? If not, can you tell me where he got it from? Also, what psi is he running? His Hp/trq looks great. I wonder how his spool up is. From the graph he seems to be getting peak torque @ 5000rpms.
Thanks
Ben
May 12, 2005, 01:45 PM
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Woobos what r u tuning with? and whos doing the tuning? How much boost? Pump or race gas? Try a compression test did someone work on ur timing belt? U might remember me, 2 years ago i was the one who setup the 1st dyno day at twilight performance, RED EVO, Cuban guy, with a pocketlogger, and safc 
its been a long time
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Joel
its been a long timehttps://www.evolutionm.net/forums/sh...ad.php?t=29766
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Joel
May 12, 2005, 01:56 PM
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Originally Posted by housedj
i think it's all in the tuning. i know a guy with an early 90's mazda mx-6 w/a turbonetics T70 on a 2.0 spooling @ 4K rpm. that car runs 10.80's on slicks. On his EVO with a 4G64 block, his STOCK turbo is at full spool by 2200, YES, 2200 RPM's!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
it is very possible to attain stock or near stock spool w/a larger turbo. this same guy can get a Greddy T67 on a stock motor to spool up by 3K rpm also. norris design & rc developments out of the UK have been doing this for years.
it is very possible to attain stock or near stock spool w/a larger turbo. this same guy can get a Greddy T67 on a stock motor to spool up by 3K rpm also. norris design & rc developments out of the UK have been doing this for years.
Last edited by strongbear0; May 12, 2005 at 01:59 PM.
May 12, 2005, 07:06 PM
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Originally Posted by EVOLUTIONIZE
Woobos what r u tuning with? and whos doing the tuning? How much boost? Pump or race gas? Try a compression test did someone work on ur timing belt? U might remember me, 2 years ago i was the one who setup the 1st dyno day at twilight performance, RED EVO, Cuban guy, with a pocketlogger, and safc its been a long time
https://www.evolutionm.net/forums/sh...ad.php?t=29766
https://www.evolutionm.net/forums/sh...ad.php?t=30607
Joel
its been a long timehttps://www.evolutionm.net/forums/sh...ad.php?t=29766
https://www.evolutionm.net/forums/sh...ad.php?t=30607
Joel
I remember you. It has been a while!
My dyno run was done on 93 octane @ 23-24psi. I also did a leak down today. It went fine. Cylinder 3 & 4 @ 97% while cylinder 1&2 @ 96%. My timing belt is still stock so I'm not sure.
The reason behind me asking for info on spool up is because I'm not seeing 24psi on pump until 4900rpms and its really bothering me because I hear pple making full boost @ 4000RPMS.
Ben
May 12, 2005, 08:34 PM
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Originally Posted by woobos
The reason behind me asking for info on spool up is because I'm not seeing 24psi on pump until 4900rpms and its really bothering me because I hear pple making full boost @ 4000RPMS.
Ben
Ben
If you are running the .87 housing, it would be a worthwhile to switch to the .73.
May 12, 2005, 08:41 PM
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Originally Posted by jj_008
No GT3037 or GT3076 is not going to spool up to 23-24 psi by 4000rpm on a stock engine. There are alot of people that have no damn idea what they are talking about. Only trust people that have personal experiences (i.e the turbo is on there EVO) w/ the particular turbo you are looking at.
If you are running the .87 housing, it would be a worthwhile to switch to the .73.
If you are running the .87 housing, it would be a worthwhile to switch to the .73.
May 12, 2005, 08:48 PM
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Originally Posted by alex_alex
not true. IE Evo's 3037s with the .67 a/r does. Ive been in the car, and personally witnessed it.
My car rips off like an animal in 3rd gear at 4000rpm, but it still doesn't reach 23psi until 4300rpm. A datalog or a dyno graph will show the answers.
May 12, 2005, 08:57 PM
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Originally Posted by jj_008
No GT3037 or GT3076 is not going to spool up to 23-24 psi by 4000rpm on a stock engine. There are alot of people that have no damn idea what they are talking about. Only trust people that have personal experiences (i.e the turbo is on there EVO) w/ the particular turbo you are looking at.
If you are running the .87 housing, it would be a worthwhile to switch to the .73.
If you are running the .87 housing, it would be a worthwhile to switch to the .73.
Thats the whole point of this thread. I need pple with experience to come here and tell me!
Yes, I have ordered the .73 housing from HKS. I'm wondering how bad it'll hurt the top end though...i guess you can't have the best opf both worlds.
Btw, what a/r are you using????
Thanks for the response!
Ben
May 12, 2005, 09:03 PM
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On a typical GT30R on an EVO w/ a .82 gains only about 15whp and about 300-400RPM of lag over a .63. So it should translate to be roughly the same for your turbo. Either way a .73 is the way to go.
I have a .63 on my GT3076.
I have a .63 on my GT3076.
May 12, 2005, 09:09 PM
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Looking at a boost gauge and tach does not mean you witnessed it. You have to datalogg it. I thougt I was getting full boost by 4000 but when I looked at the dataloggs it was more like 4500.
Originally Posted by alex_alex
not true. IE Evo's 3037s with the .67 a/r does. Ive been in the car, and personally witnessed it.
May 14, 2005, 12:37 PM
#30
Someone mentioned that tuning could spool a turbo faster... what is best for spoolup? Advancing or retarding timing? Leaner or Richer? Is it a certain combo of the two (around 13.5 AFR?) or does advancing the timing along with a leaner mixture help in general since raising EGT's would aid spoolup?
I know that anti lag retards the timing bigtime and dumps unburnt fuel into the exhaust manifold but from what I read having the mixture too rich without a real anti-lag system just hurts spool.
I know that anti lag retards the timing bigtime and dumps unburnt fuel into the exhaust manifold but from what I read having the mixture too rich without a real anti-lag system just hurts spool.