How to launch a G with Intake
#1
How to launch a G with Intake
Hi guys, I'm fairly new to the forum I haven't posted much but a little background on my car. I own a '11 G37s 6MT with an R2C intake and Tanabe exhaust.
As most know, after an intake install the low end power is almost non-existent and I have been trying to perfect the G's launch from a dead stop since I've installed the intakes. I do not want to simply floor the car but looking more towards a smooth blend of acceleration and minimal effort.
Before the mods, I found that launching the car was fairly straight-forward, going to about 2K RPM and dumping the clutch. Small chirm and I'm off.
Now however, when I attempt that. The car just buckles for like a LONG second at that RPM and tries to catch up and when it does, it comes back strong, too strong that it just spins the tires and VDC steps in and interrupts the party. I'm barely accerelating at this point. After about the first 1.5-2secs of this "awkwardness" the car is off. I've tried VDC off and that did not help, actually felt slower.
This is not a high priority for me, and I am not a red-light racer. I'm just stirring topic and looking to get some opinions (mods or not) on some tips etc, that people might use to have a smooth, yet strong launch.
As most know, after an intake install the low end power is almost non-existent and I have been trying to perfect the G's launch from a dead stop since I've installed the intakes. I do not want to simply floor the car but looking more towards a smooth blend of acceleration and minimal effort.
Before the mods, I found that launching the car was fairly straight-forward, going to about 2K RPM and dumping the clutch. Small chirm and I'm off.
Now however, when I attempt that. The car just buckles for like a LONG second at that RPM and tries to catch up and when it does, it comes back strong, too strong that it just spins the tires and VDC steps in and interrupts the party. I'm barely accerelating at this point. After about the first 1.5-2secs of this "awkwardness" the car is off. I've tried VDC off and that did not help, actually felt slower.
This is not a high priority for me, and I am not a red-light racer. I'm just stirring topic and looking to get some opinions (mods or not) on some tips etc, that people might use to have a smooth, yet strong launch.
#2
Registered User
iTrader: (12)
Adding an intake definitely smoothes out the power curve and the car definitely seems to lose that "punch".
As far as remedies to what you are asking. Idk. Stop dumping the clutch (not trying to be a smarta$$...I don't have a MT with this car)? I know for the MT they make a 4:08 final drive mod for the differential ( Z-1 Performance Automotive Services Inc. - 4.08 Final Drive for 370Z/G37 ), but idk if that would solve the "problem". I guess you could always put the OEM intake back on.
Other than that, I got nothing as I am still learning myself.
Good luck!
As far as remedies to what you are asking. Idk. Stop dumping the clutch (not trying to be a smarta$$...I don't have a MT with this car)? I know for the MT they make a 4:08 final drive mod for the differential ( Z-1 Performance Automotive Services Inc. - 4.08 Final Drive for 370Z/G37 ), but idk if that would solve the "problem". I guess you could always put the OEM intake back on.
Other than that, I got nothing as I am still learning myself.
Good luck!
Last edited by Rad_Slinger; 04-03-2012 at 01:12 PM.
#5
Registered User
This surprises me, as I felt that I gained a little bit of torque from changing to the R2C. At first glance I thought it could be your exhaust, but don't think an axel-back would cause you to lose all that torque.
#7
Registered User
Thank you for admitting this. I think most people don't want to admit this after they spent money on an intake. The OEM intake is very well designed. It's honest feedback like yours that makes me never want to spend money on an aftermarket intake.
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#8
Registered User
iTrader: (12)
what it comes down to as far as modding anyone's car, is this......to each their own. if it's what they like, then so be it. honestly...who am i to tell someone what mods to put and not put into their rides?
i can certainly understand the OP's question, but i'm gonna keep going with my mods and see where i end up.
#9
I don't regret buying the R2C intake at all (or modding for that matter). The Intake has given the car a strong mid-range and sounds awesome to boot with the Tanabe CBE. Only complaint would be the 1-2.5K range, it feels completely flat, after that everything lights up like a "bat outta hell" as described earlier lol.
I haven't tried 2.8-3K RPM launch as suggested above, as I didn't feel comfortable engaging the clutch at those RPMs, maybe give it a go tonight.
I haven't tried 2.8-3K RPM launch as suggested above, as I didn't feel comfortable engaging the clutch at those RPMs, maybe give it a go tonight.
#10
Registered User
iTrader: (8)
Do NOT drop the clutch repeatedly. That is horrible for your rear end. That's one of the reasons why Nissan used to void warranties on launched GTR's, before they released the updated launch control software.
A proper launch involves slipping the clutch correctly to distribute the stress between the clutch and the CV shafts.
Dropping the clutch kills your rear end after it's done repeatedly (like what it seems you've been doing) and riding the clutch for too long obviously wears down on the clutch and bearings. Like what was said before, for a good launch, you can rev up to about 3k, and modulate the release of the clutch to distribute the stress.
A proper launch involves slipping the clutch correctly to distribute the stress between the clutch and the CV shafts.
Dropping the clutch kills your rear end after it's done repeatedly (like what it seems you've been doing) and riding the clutch for too long obviously wears down on the clutch and bearings. Like what was said before, for a good launch, you can rev up to about 3k, and modulate the release of the clutch to distribute the stress.
#12
Do NOT drop the clutch repeatedly. That is horrible for your rear end. That's one of the reasons why Nissan used to void warranties on launched GTR's, before they released the updated launch control software.
A proper launch involves slipping the clutch correctly to distribute the stress between the clutch and the CV shafts.
Dropping the clutch kills your rear end after it's done repeatedly (like what it seems you've been doing) and riding the clutch for too long obviously wears down on the clutch and bearings. Like what was said before, for a good launch, you can rev up to about 3k, and modulate the release of the clutch to distribute the stress.
A proper launch involves slipping the clutch correctly to distribute the stress between the clutch and the CV shafts.
Dropping the clutch kills your rear end after it's done repeatedly (like what it seems you've been doing) and riding the clutch for too long obviously wears down on the clutch and bearings. Like what was said before, for a good launch, you can rev up to about 3k, and modulate the release of the clutch to distribute the stress.
The clutch on my car is perfectly fine, I've only ever dropped it completely like 2-3 times, and never over 2k.
Thanks for everyones input.
#13
Registered Member
iTrader: (9)
Do NOT drop the clutch repeatedly. That is horrible for your rear end. That's one of the reasons why Nissan used to void warranties on launched GTR's, before they released the updated launch control software.
A proper launch involves slipping the clutch correctly to distribute the stress between the clutch and the CV shafts.
Dropping the clutch kills your rear end after it's done repeatedly (like what it seems you've been doing) and riding the clutch for too long obviously wears down on the clutch and bearings. Like what was said before, for a good launch, you can rev up to about 3k, and modulate the release of the clutch to distribute the stress.
A proper launch involves slipping the clutch correctly to distribute the stress between the clutch and the CV shafts.
Dropping the clutch kills your rear end after it's done repeatedly (like what it seems you've been doing) and riding the clutch for too long obviously wears down on the clutch and bearings. Like what was said before, for a good launch, you can rev up to about 3k, and modulate the release of the clutch to distribute the stress.
#14
Registered User
iTrader: (3)
^ Fine sure, but aftermarket is a big upgrade. Ran a stock G37 when I only had Stillen Gen 3's and there was a considerable difference. Obviously other factors could play in here, but there was definitely an advantage with the intakes.
On the launch. Like others have said, I shoot for 3k with the right amount of clutch slippage and VDC OFF.
On the launch. Like others have said, I shoot for 3k with the right amount of clutch slippage and VDC OFF.
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