C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

A good Torque converter recommendation

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Old Dec 31, 2015 | 09:42 AM
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Default A good Torque converter recommendation

I have a 93 LT1 that has just returned from the machine shop... .30 over work done on the block, TFS 185 Cyl heades, comp cam 224 230 112* 503 510, 52mm TB, 30lbs injectors, msd opti with cables coil 6al2 and iridium plugs, shorty hooker headers, no cats, 10 series flomaster muffs with an X pipe where the resonator used to be. the 700r4 is in the shop for a rebuild, it has a B&M step2 shift kit. I will use the Vette as a daily driver/sleeper car. The topend kit is advertized to make 430HPs.... Ive been told to get a toque converter over 500 in the stall base on the cam that operates between 1800-5800rpm. So, will a 2200 stall be appropiate? Need help to make an informed desision. Thanks
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Old Dec 31, 2015 | 12:25 PM
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Originally Posted by GJ Camacho
I have a 93 LT1 that has just returned from the machine shop... .30 over work done on the block, TFS 185 Cyl heades, comp cam 224 230 112* 503 510, 52mm TB, 30lbs injectors, msd opti with cables coil 6al2 and iridium plugs, shorty hooker headers, no cats, 10 series flomaster muffs with an X pipe where the resonator used to be. the 700r4 is in the shop for a rebuild, it has a B&M step2 shift kit. I will use the Vette as a daily driver/sleeper car. The topend kit is advertized to make 430HPs.... Ive been told to get a toque converter over 500 in the stall base on the cam that operates between 1800-5800rpm. So, will a 2200 stall be appropiate? Need help to make an informed desision. Thanks
Looks like a lot of good mods are done to your setup.

I would put a 3K 9.5 " lockup Vigilante convertor in there. Trust me , it will kick but.

This convertor will be very streetable.


Vic
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Old Jan 2, 2016 | 06:27 AM
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You don't mention what gears you are running but the 3k vigilante would be an excellent choice.
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Old Jan 2, 2016 | 11:37 AM
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I seen a place where you could buy pre-stalled vigilante converters, but idk rem where that was. Still I think the price was about the same as just calling them up and having a custom stall made and if I was gonna spend that much for a converter, I'd go the custom route.
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Old Jan 2, 2016 | 08:24 PM
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Originally Posted by 96 lt-4
You don't mention what gears you are running but the 3k vigilante would be an excellent choice.
Good question. What gears are planned ? 3:73 ?

Vic
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Old Jan 2, 2016 | 09:13 PM
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3K from Precision Industries (Vigilante), Yank or Circle D. All very good brands and they will drive really well on the street depending on the rear gear... 3.54 or 3.73 would be ideal.

Despite what Comp advertises, that cam is going to be pretty soft on power until over 2500RPM.
Will
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Old Jan 2, 2016 | 10:14 PM
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+1 for Vigilante (Precision Industries). I have been running their converters for decades. They are bulletproof. I lock up the 5 disk converters at full throttle and have never had a problem. I have a backup converter that never gets a chance to be used. I probably have over 800 runs on the current converter since it's last freshenup. Great people to deal with. The company is family owned. Terry is the dad that helps build the converters. Jack is the son on the phone who knows a lot. They will give you a free stall chance after the purchase.
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Old Jan 4, 2016 | 06:20 PM
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I have a 2400rpm Vigilante, but would never recommend over 2200 for a street driven car, you won't like it.
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Old Jan 5, 2016 | 10:04 PM
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SOunds like the Vigilante is a good choice, but I will give you one other to take a look at. It may be a little more expensive, but not sure. Probably depends on which converter you choose. I have a COAN Racing Converter. I sent in my engine specs and gave them my application and they came up with a converter for me. I haven't ran it yet but it did save a little over 20lbs, so if nothing else I lost 20lbs of rotating mass.
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Old Jan 6, 2016 | 02:29 PM
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Originally Posted by 96 lt-4
You don't mention what gears you are running but the 3k vigilante would be an excellent choice.
The original 3.73 in the differential
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Old Jan 6, 2016 | 02:30 PM
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Originally Posted by Vic'89
Good question. What gears are planned ? 3:73 ?

Vic
Yes original 3.73, Never been opened, I'm considering changing the diff lube, what do you recommend?
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Old Jan 6, 2016 | 02:40 PM
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Default Why not over 2200rpm for a street driven car?

Originally Posted by vader86
I have a 2400rpm Vigilante, but would never recommend over 2200 for a street driven car, you won't like it.
From everything I have read, the one thing I'm not clear and I guess its cause you need to feel it in order to know. All I can relate to "feel" you be when on a manual transmission you start to ease of the clutch in order for it to engage. This is the only reference I have of a lock up stall converter. So, if I were to use lets say a 2800 rmp stall, the vehicle will start to "ease" in or "slip" in to engaging the internal components of the transmission clutches from idle to 2800rmp? and after 2800rpm it automatically shifts through its gears starting from 1st? I'm I right?
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Old Jan 6, 2016 | 02:51 PM
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First, I thank you all for replying and giving me great information. I wish I can go max power everything on the Vette, but I'm trying to make it as drivable as possible so if I drive it to work for two weeks straight no biggie you know? The term spleeper is what Id like to go with because I think from the stock 300hp to over 430 is a decent respectable jump while keeping the looks stock. Heads will turn for sure just by the sound alone. Thanks guys.
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Old Jan 6, 2016 | 06:12 PM
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Originally Posted by GJ Camacho
From everything I have read, the one thing I'm not clear and I guess its cause you need to feel it in order to know. All I can relate to "feel" you be when on a manual transmission you start to ease of the clutch in order for it to engage. This is the only reference I have of a lock up stall converter. So, if I were to use lets say a 2800 rmp stall, the vehicle will start to "ease" in or "slip" in to engaging the internal components of the transmission clutches from idle to 2800rmp? and after 2800rpm it automatically shifts through its gears starting from 1st? I'm I right?
It will shift even without the TC locked up, so you may be in 2nd or 3rd depending on how you drive it, before the the TC locks. It feels like an extra shift in gears on mine.

I don't like how it feels more like a dog until the TC locks, or generally feels loose until it locks. Its not comfortable in every day driving.
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Old Jan 6, 2016 | 06:22 PM
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Originally Posted by vader86
It will shift even without the TC locked up, so you may be in 2nd or 3rd depending on how you drive it, before the the TC locks. It feels like an extra shift in gears on mine.

I don't like how it feels more like a dog until the TC locks, or generally feels loose until it locks. Its not comfortable in every day driving.
Did some more reading, I'm getting the hang of it. I believe I will be going with something no less than a 2800 and no more than a 3K. Most likely because of the cam being used, a compcam p/n: 7-503-8 extreme energy (224 230 112* 503 510), 3.73 gears with the 700R4 trans B&M shift kit installed as well. I thing it should be a good combo. About ready to invest now in summit racing who has all the parts in stock. Thanks for your input.
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Old Jan 6, 2016 | 06:39 PM
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To recap: I have a 93 LT1 that has just returned from the machine shop... .30 over work done on the block
1. TFS 185 Gen X Cylinder Heads, fast as cast 54cc CNC Chambers
2. CompCam 224 230 112* 503 510
3. A 52mm Throttle body
4. 30 lbs injectors
5. MSD Opti with cables, coil, 6al2 and iridium spark plugs
6. Shorty hooker headers
7. No cats
8. Flomaster 10 Series mufflers with an X pipe where the resonator used to be
9. A rebuilt 700r4 transmission with a B&M step2 shift kit
10. An AirRaid filter element
11.TFS 1.6 Ration Narrow Body Roller Rocker Arms

I will use the Vette as a daily driver/sleeper car. With all the top end goodies its advertised to make no less than 430HPs. So, I'm seriously looking at the Summit Racing 3K Stall converter. Think I have a good plan? Let me know, your response is important, thanks...

Last edited by GJ Camacho; Jan 6, 2016 at 06:50 PM. Reason: correct an entry
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Old Jan 6, 2016 | 06:53 PM
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Originally Posted by GJ Camacho
I will use the Vette as a daily driver/sleeper car. With all the top end goodies its advertised to make no less than 430HPs. So, I'm seriously looking at the Summit Racing 3K Stall converter. Think I have a good plan? Let me know, your response is important, thanks...
You probably have to get it dyno tuned. Still, I wouldn't like to use the Summit TC. Exactly why did you choose that over the Vigilante? You either get a 2000, 2600 or 3000 stall. Take it or leave it. Warranty? 1 year unless racing.

I'd use the Vigilante for the simple reason that they will help you select your TC. You could have 2900 or 2800 or 2500 stall if you decide. YOU pick the stall and not them. Also, they have a 5 year warranty. But lets say you got the 2800 stall and didn't like it. Again, they have that covered. You get 1 free restall within 2 years of your purchase. So what if your trans grenades within 2 years? They will cut apart the thing and clean it as part of the "restall" within 2 years for free.

The Summit Racing brand is cheap because it's wanting like most cheap things are.
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Old Jan 6, 2016 | 06:58 PM
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Originally Posted by aklim
You probably have to get it dyno tuned. Still, I wouldn't like to use the Summit TC. Exactly why did you choose that over the Vigilante? You either get a 2000, 2600 or 3000 stall. Take it or leave it. Warranty? 1 year unless racing.

I'd use the Vigilante for the simple reason that they will help you select your TC. You could have 2900 or 2800 or 2500 stall if you decide. YOU pick the stall and not them. Also, they have a 5 year warranty. But lets say you got the 2800 stall and didn't like it. Again, they have that covered. You get 1 free restall within 2 years of your purchase. So what if your trans grenades within 2 years? They will cut apart the thing and clean it as part of the "restall" within 2 years for free.

The Summit Racing brand is cheap because it's wanting like most cheap things are.
Understood, then I need to go to the online store and check pricing as well. Thanks
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Old Jan 6, 2016 | 07:23 PM
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Originally Posted by GJ Camacho
Understood, then I need to go to the online store and check pricing as well. Thanks
Call tomorrow. Make sure you can buy it from a shop or if it must be a registered dealer or what exactly their deal is.
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Old Jan 6, 2016 | 07:32 PM
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Originally Posted by GJ Camacho
Yes original 3.73, Never been opened, I'm considering changing the diff lube, what do you recommend?
Original 3.73 gear set?
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