Too all running GT35R
05-07-05, 07:35 AM
#1
Too all running GT35R
I am curious to see how many people are running the .82AR and the 1.06 AR. Is the new .84AR (t4) that much different in size than the .82 (T3)? Also when do you see boost start to rise, full boost, and what is your max boost/power?
05-07-05, 05:50 PM
#2
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GT35R with 1.06AR hot side.
Stock intake ports, lightly ported exhaust.
Tial 46mm WG with 10lb spring, a higher spring pressure does help increase boost responce.
When running 15psi boost;
I have 7psi at 2800rpm,
12psi at 3200rpm,
14psi by 3600rpm,
and hit 15psi by 5200 rpm.
If only these were around back in 1992, Mazda could have had a faster car with less maintenance problems and we might have had FDs in the states through 2000.
This was done in 4th gear.
Just finished AFR and basic timing tuning, have not dynoed yet.
Stock intake ports, lightly ported exhaust.
Tial 46mm WG with 10lb spring, a higher spring pressure does help increase boost responce.
When running 15psi boost;
I have 7psi at 2800rpm,
12psi at 3200rpm,
14psi by 3600rpm,
and hit 15psi by 5200 rpm.
If only these were around back in 1992, Mazda could have had a faster car with less maintenance problems and we might have had FDs in the states through 2000.
This was done in 4th gear.
Just finished AFR and basic timing tuning, have not dynoed yet.
05-08-05, 03:12 AM
#5
Originally Posted by cewrx7r1
GT35R with 1.06AR hot side.
Stock intake ports, lightly ported exhaust.
Tial 46mm WG with 10lb spring, a higher spring pressure does help increase boost responce.
When running 15psi boost;
I have 7psi at 2800rpm,
12psi at 3200rpm,
14psi by 3600rpm,
and hit 15psi by 5200 rpm.
If only these were around back in 1992, Mazda could have had a faster car with less maintenance problems and we might have had FDs in the states through 2000.
This was done in 4th gear.
Just finished AFR and basic timing tuning, have not dynoed yet.
Stock intake ports, lightly ported exhaust.
Tial 46mm WG with 10lb spring, a higher spring pressure does help increase boost responce.
When running 15psi boost;
I have 7psi at 2800rpm,
12psi at 3200rpm,
14psi by 3600rpm,
and hit 15psi by 5200 rpm.
If only these were around back in 1992, Mazda could have had a faster car with less maintenance problems and we might have had FDs in the states through 2000.
This was done in 4th gear.
Just finished AFR and basic timing tuning, have not dynoed yet.
How does the car feel down low compared to the stock sequentials?
05-08-05, 06:47 AM
#6
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Originally Posted by t-von
How does the car feel down low compared to the stock sequentials?
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05-08-05, 08:10 AM
#8
Originally Posted by Lukus
Down low as in what rpm? I always find it funny that guys in the states are so worried about low rpm. It's not the rotaries strong point, and it'll never be good. A GT35R will feel pretty good down low, but it's not going to be like a supercharged V8.
Anyone else want to share there data with us?
05-08-05, 10:26 AM
#9
I am still working the bugs out and will be changing the wastegate spring…..attached is a 3rd gear wot run, boost is recorded by datalogit…the units are kg/cm^2 times 100 ….the PFC records slightly lower than most gauges with 70 being approximately 10 psi
Last edited by books; 10-24-07 at 03:52 PM.
05-08-05, 11:18 AM
#10
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Originally Posted by eyecandy
I am curious to see how many people are running the .82AR and the 1.06 AR. Is the new .84AR (t4) that much different in size than the .82 (T3)? Also when do you see boost start to rise, full boost, and what is your max boost/power?
i think you mean the new a-spec T4 which comes in i think 1.06 and 1.15 The .82 T4 has been out for some time and is a normal garrett catalog turbine housing
05-08-05, 04:14 PM
#11
Originally Posted by cewrx7r1
GT35R with 1.06AR hot side.
If only these were around back in 1992, Mazda could have had a faster car with less maintenance problems and we might have had FDs in the states through 2000.
If only these were around back in 1992, Mazda could have had a faster car with less maintenance problems and we might have had FDs in the states through 2000.
The T4 foorprint comes in a .84 and 1.02, with a larger 1.15 available. We are trying to get a 1.10 We'll see.
05-08-05, 05:56 PM
#12
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Although late to chime in. I was running A-Spec's old style kit with relatively large porting and the turbosmart WG. I had 7psi almost instantly and had 15psi by 3500 RPM.
05-08-05, 09:06 PM
#13
Originally Posted by Broken09
Although late to chime in. I was running A-Spec's old style kit with relatively large porting and the turbosmart WG. I had 7psi almost instantly and had 15psi by 3500 RPM.
What was the A/R of the kit?I know there are many people out there running the GT35R, please post some data....
05-08-05, 10:32 PM
#14
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Originally Posted by t-von
How does the car feel down low compared to the stock sequentials?
Now nothing is lower, power is GREATTTTT!
05-08-05, 11:42 PM
#15
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Originally Posted by eyecandy
Your not late What was the A/R of the kit?
I know there are many people out there running the GT35R, please post some data....
What was the A/R of the kit?I know there are many people out there running the GT35R, please post some data....
05-09-05, 03:23 PM
#18
Originally Posted by eyecandy
I think what he might be talking about is the quick spool of the squentials and not low end torque/power.
Anyone else want to share there data with us?
Anyone else want to share there data with us?
Yep! Everyone here knows that a rotary in general won't have much power down low however, the stock sequentials do a great job in making the car every drivable in the low range(especially when compared to a single). I was just checking the drivability in the low range(3k and below) as this is usually the range I dailey drive my 7 why crusing around town.
05-09-05, 05:24 PM
#20
Originally Posted by Zero R
If your looking for good power in that range you could step down to the standard .82 T3 it pretty much feels supercharged. But you will be hurting on the top end.
05-09-05, 09:59 PM
#22
What kind of difference are we looking at with the .82 t3 and .84 t4?
I guess most or maybe even all are running atleast the 1.06, and my assumption is that the .82/.84 would spool even faste, more like the stocks, but what kind of topend power difference are we looking at?
I guess most or maybe even all are running atleast the 1.06, and my assumption is that the .82/.84 would spool even faste, more like the stocks, but what kind of topend power difference are we looking at?
05-09-05, 10:54 PM
#23
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Is the difference between a GT35R, GT40R and the GT42R the size of the compressor housing? It appears that a different hotside can be chosen for any of the applications, but I've always wondered what the differences are.
05-10-05, 06:04 AM
#25
Originally Posted by eyecandy
What kind of difference are we looking at with the .82 t3 and .84 t4?
I guess most or maybe even all are running atleast the 1.06, and my assumption is that the .82/.84 would spool even faste, more like the stocks, but what kind of topend power difference are we looking at?
I guess most or maybe even all are running atleast the 1.06, and my assumption is that the .82/.84 would spool even faste, more like the stocks, but what kind of topend power difference are we looking at?