2600-2800 stall converter good enough for stock LQ9?
12-12-2016, 10:41 PM
#1
2600-2800 stall converter good enough for stock LQ9?
As per the subject. Looking to keep the factory LQ9 cam for now to keep costs down. Only MOD to the motor planned is swapping the truck intake for an LS6 intake with 78mm throttle body. My current converter is 2600-2800. Should be more than enough for the stock version?
12-14-2016, 12:44 AM
#2
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Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
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Re: 2600-2800 stall converter good enough for stock LQ9?
Can get cheap larger Cam off ls1tech
I would wait for Cam then stall honestly because if you get a stall then cam you prob have to restall and I would spend money for Cam Vs stall more bang for buck and new cam kits not that expensive
You build engine and stall according to gear and cam to get the most
I would wait for Cam then stall honestly because if you get a stall then cam you prob have to restall and I would spend money for Cam Vs stall more bang for buck and new cam kits not that expensive
You build engine and stall according to gear and cam to get the most
12-14-2016, 10:04 AM
#5
Re: 2600-2800 stall converter good enough for stock LQ9?
Here is what I'm looking if I dont' keep the stock cam.
Stock LQ9, clean up cylinders as needed. Stock 317 heads (only work if absolutley needed beyond clean up/serviceability check). Stock bottom end.
Cam: EPS 226/234 on 113lSA. 590/600 lift. --upgraded springs to go with it of course.
Exhaust will either be factory LS3 logs from a 2010 camaro or BRp mid-length headers to a 3" single.
I'll flash the converter as required to match the cam set up. goal is 400hp/400tq to the wheels.
Stock LQ9, clean up cylinders as needed. Stock 317 heads (only work if absolutley needed beyond clean up/serviceability check). Stock bottom end.
Cam: EPS 226/234 on 113lSA. 590/600 lift. --upgraded springs to go with it of course.
Exhaust will either be factory LS3 logs from a 2010 camaro or BRp mid-length headers to a 3" single.
I'll flash the converter as required to match the cam set up. goal is 400hp/400tq to the wheels.
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12-14-2016, 10:17 AM
#8
Re: 2600-2800 stall converter good enough for stock LQ9?
that said, the new motor as it sits is already 70hp more than my old 355. I just don't want to stick with stock and be disappointed.
12-14-2016, 10:37 AM
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Car: 92 Trans Am Conv
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Re: 2600-2800 stall converter good enough for stock LQ9?
If this is a daily driver you're totally fine.
If it's not a daily then absolutely up the stall speed.
I DD'd a 3400 stall and would have preferred going 3600. When it started to go more racey less daily I wanted 4000.
A quality stall converter will behave similar to a lower stall converter unless you get on it. So there's not often a reason to go under unless it's a cheaper converter.
If it's not a daily then absolutely up the stall speed.
I DD'd a 3400 stall and would have preferred going 3600. When it started to go more racey less daily I wanted 4000.
A quality stall converter will behave similar to a lower stall converter unless you get on it. So there's not often a reason to go under unless it's a cheaper converter.
12-14-2016, 10:49 AM
#11
Re: 2600-2800 stall converter good enough for stock LQ9?
If this is a daily driver you're totally fine.
If it's not a daily then absolutely up the stall speed.
I DD'd a 3400 stall and would have preferred going 3600. When it started to go more racey less daily I wanted 4000.
A quality stall converter will behave similar to a lower stall converter unless you get on it. So there's not often a reason to go under unless it's a cheaper converter.
If it's not a daily then absolutely up the stall speed.
I DD'd a 3400 stall and would have preferred going 3600. When it started to go more racey less daily I wanted 4000.
A quality stall converter will behave similar to a lower stall converter unless you get on it. So there's not often a reason to go under unless it's a cheaper converter.
It's not a daily anymore, but definitely a summer/weekend cruiser/mustang/tuner crusher that will probably see the track once or twice. The nearest track is Brainerd International Raceway which is 2 hours north of me. No local tracks anymore.
12-14-2016, 11:49 AM
#12
Re: 2600-2800 stall converter good enough for stock LQ9?
It all depends on your driving style
Icant comment on that but i can tell you it def would be harder accelerating from a slow roll speed when you hammer down with something like a 3500....but 2800 is no slouch as the 6.0 torque curve with ls manifold will be broad. Thats a mild cam for a 364" motor.
My 6.2 truck has about what feels like a 2000-2200 stall stock. Its fun as is but would be best with say a 3000 as that seems to be where torque curve really kicks in. You can feel slight lag in accel from a dig but it shoots up at 3000+ rpm. So in that vehicle i would prefer a 3000-3200 to give max acceleration
Another big thing to keep in mind. What was the converter spec'd for? A 2800 stall behind a low torque low hp low rpm 350 sbc or equivalent will not stall same rpm behind a more powerful more torquey 6.0L
Icant comment on that but i can tell you it def would be harder accelerating from a slow roll speed when you hammer down with something like a 3500....but 2800 is no slouch as the 6.0 torque curve with ls manifold will be broad. Thats a mild cam for a 364" motor.
My 6.2 truck has about what feels like a 2000-2200 stall stock. Its fun as is but would be best with say a 3000 as that seems to be where torque curve really kicks in. You can feel slight lag in accel from a dig but it shoots up at 3000+ rpm. So in that vehicle i would prefer a 3000-3200 to give max acceleration
Another big thing to keep in mind. What was the converter spec'd for? A 2800 stall behind a low torque low hp low rpm 350 sbc or equivalent will not stall same rpm behind a more powerful more torquey 6.0L
12-14-2016, 02:02 PM
#13
Re: 2600-2800 stall converter good enough for stock LQ9?
It all depends on your driving style
Icant comment on that but i can tell you it def would be harder accelerating from a slow roll speed when you hammer down with something like a 3500....but 2800 is no slouch as the 6.0 torque curve with ls manifold will be broad. Thats a mild cam for a 364" motor.
My 6.2 truck has about what feels like a 2000-2200 stall stock. Its fun as is but would be best with say a 3000 as that seems to be where torque curve really kicks in. You can feel slight lag in accel from a dig but it shoots up at 3000+ rpm. So in that vehicle i would prefer a 3000-3200 to give max acceleration
Another big thing to keep in mind. What was the converter spec'd for? A 2800 stall behind a low torque low hp low rpm 350 sbc or equivalent will not stall same rpm behind a more powerful more torquey 6.0L
Icant comment on that but i can tell you it def would be harder accelerating from a slow roll speed when you hammer down with something like a 3500....but 2800 is no slouch as the 6.0 torque curve with ls manifold will be broad. Thats a mild cam for a 364" motor.
My 6.2 truck has about what feels like a 2000-2200 stall stock. Its fun as is but would be best with say a 3000 as that seems to be where torque curve really kicks in. You can feel slight lag in accel from a dig but it shoots up at 3000+ rpm. So in that vehicle i would prefer a 3000-3200 to give max acceleration
Another big thing to keep in mind. What was the converter spec'd for? A 2800 stall behind a low torque low hp low rpm 350 sbc or equivalent will not stall same rpm behind a more powerful more torquey 6.0L
I understand the "feel" of how a TQ converter works as far as RPM and being in the power band more with a higher stall. The converter I have was spec'd for a 330hp, sbc. From what I understand, with the larger TQ and HP number, the stall speed should go up some from what I have currently. How much I don't know. The motor is going in the same vehicle but will be +75hp/tq each minimum over the old one using the stock cam. Using the EPS cam it'll be +100-150ish or more on each.
12-14-2016, 04:26 PM
#15
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Re: 2600-2800 stall converter good enough for stock LQ9?
I ran EPS can great choice mine was a tad bigger iirc on smaller ls1 block you probably can go larger with out sacrificing drivability I had 3600 stall converter on mines and loved the setup honestly
Also you can mill those heads hoe not much money to increase CR
And drivability was very good
I was looking at 3000 stall converter at the time and talk to EPS good guy and other on ls1tech Cam guys and what I got was that guys who got 3000 below stall eventually bump up to 3500 stall and same thing with a cam
With lq9 400hp is easy think you can get more out of it with bigger cam tho and tune of course and little head work
Ls1tech classifieds can ****** great deals for budget seekers like my self
Think I got my converter for like 200 or 250 iirc
Also you can mill those heads hoe not much money to increase CR
And drivability was very good
I was looking at 3000 stall converter at the time and talk to EPS good guy and other on ls1tech Cam guys and what I got was that guys who got 3000 below stall eventually bump up to 3500 stall and same thing with a cam
With lq9 400hp is easy think you can get more out of it with bigger cam tho and tune of course and little head work
Ls1tech classifieds can ****** great deals for budget seekers like my self
Think I got my converter for like 200 or 250 iirc
Here is what I'm looking if I dont' keep the stock cam.
Stock LQ9, clean up cylinders as needed. Stock 317 heads (only work if absolutley needed beyond clean up/serviceability check). Stock bottom end.
Cam: EPS 226/234 on 113lSA. 590/600 lift. --upgraded springs to go with it of course.
Exhaust will either be factory LS3 logs from a 2010 camaro or BRp mid-length headers to a 3" single.
I'll flash the converter as required to match the cam set up. goal is 400hp/400tq to the wheels.
Stock LQ9, clean up cylinders as needed. Stock 317 heads (only work if absolutley needed beyond clean up/serviceability check). Stock bottom end.
Cam: EPS 226/234 on 113lSA. 590/600 lift. --upgraded springs to go with it of course.
Exhaust will either be factory LS3 logs from a 2010 camaro or BRp mid-length headers to a 3" single.
I'll flash the converter as required to match the cam set up. goal is 400hp/400tq to the wheels.
Last edited by Zach/90\irocZ; 12-14-2016 at 04:33 PM.
12-14-2016, 04:29 PM
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Re: 2600-2800 stall converter good enough for stock LQ9?
In an fbody I wouldn't bother stalling an LSx anywhere below 3600.
But it's not needed if you want to save some pennies or wait.
But it's not needed if you want to save some pennies or wait.
12-15-2016, 10:08 AM
#17
Re: 2600-2800 stall converter good enough for stock LQ9?
Well, everyone is always "on a budget", which is more of a soft cap than a hard cap. I'm not running a 4l60E yet, still my 700R4 that I had built to handle the 400sbc I was going to put in it before I was talked into this LS swap. It was my "hope" that my current TQ converter would get me by until I could get a good 4l60e OR 4L80e.
12-15-2016, 11:39 AM
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Car: 92 Trans Am Conv
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Re: 2600-2800 stall converter good enough for stock LQ9?
Well, everyone is always "on a budget", which is more of a soft cap than a hard cap. I'm not running a 4l60E yet, still my 700R4 that I had built to handle the 400sbc I was going to put in it before I was talked into this LS swap. It was my "hope" that my current TQ converter would get me by until I could get a good 4l60e OR 4L80e.