LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Kinda skeptical about getting a torque converter...

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Old 08-07-2003, 11:34 PM
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Kinda skeptical about getting a torque converter...

Hey guys, I'm ordering some Jet-Hot long tubes and a CAI soon, and after that I'm gonna have some 3.73s installed. I always get told that I need a 2800 or higher stall converter because it really wakes the car up and shaves a couple tenths off ET's (with traction of course). However, I DON'T want to blow up my tranny, nor my rear. Is a 2800 stall really worth it with a stock tranny and the 10 bolt rear? I want this car to be as streetable as possible while running low 13's (with practice of course). Does the car flash the stall in every gear? Or only from a stop? Will I really notice a difference with casual, civilized driving, or will I have to launch my car at every stop light to get it moving?
Any help is appreciated.
Matt
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Old 08-07-2003, 11:36 PM
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Get a 2400 stall. It will be fine on the street.
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Old 08-07-2003, 11:38 PM
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will it flash the stall every time I start moving? or only when I give it alot of gas?
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Old 08-07-2003, 11:41 PM
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I am running a 2400 stall in my one T/A with a mild motor and Nitrous with 3:73 gears. It slips a little but not that noticeable for evryday driving, but when racing, you can feel it hit. 2800 is very noticable and usually is used when you have a cam with higher duration.
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Old 08-07-2003, 11:42 PM
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aight, thanks. I think 2400 sounds right for me, and will go easier on the tranny and rear.
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Old 08-07-2003, 11:44 PM
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You'll get used to it. It's not bad at all. Don't get a 2400 though. You'll regret it. Get a 2800 or 3200. Also, maybe you should think about spending the money on some wheels/tires. I just got some 15x4 and 15x8 centerline telstars from summit and 275/50/15 nitto drag radials and cheapo tires up front. Also, I got some chrome lug nuts from summit. All in all with the 10% discount from summit and the tires from discounttiredirect.com and pepboys(yep they ship for free also) its going to cost me ~$850. Will look a lot better than the stock wheels and weigh less also. Also, will hook so much better. Just a thought. Ohh, and if you do go and get a stall, don't get a cheapo. Get a vig, yank, or midwest.
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Old 08-07-2003, 11:45 PM
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Besides if you go with a 2800 stall you will have to get the computer prormmed as it will not shift correctly because of the large stall.
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Old 08-07-2003, 11:48 PM
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I asked LT1Dave ( www.lt1dave.com ) which stall he recommends and he told me not to get a Midwest. He recommended a Coan stall to me and said he could sell me one for $550. What do you guys think? I am going to get new wheels/tires soon. I've thought it out, and am probably going to get chrome ZR1s because they're pimp. I was gonna get drag wheels, but I want my car to handle good on the street and not have to worry about sliding around in the rain like its black ice.
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Old 08-07-2003, 11:50 PM
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I have only heard good things about Coan convertors. I am running one in my 69 Camaro right now. 3500 stall and it works great!
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Old 08-07-2003, 11:50 PM
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So far Im good with 275/40/17 hoosiers, 3.73's and a vig 4200 on a stock motor. but HLT's and true duals next week..........Havent ran the combo at the track yet but it will be FUN.....
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Old 08-07-2003, 11:54 PM
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hmm....what kinda gas mileage decrease did you guys see going from the stock converter to a 2400 or 2800?
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Old 08-07-2003, 11:54 PM
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Best times I have had is 355 all forged with cam and heads with 2400 coan stall 3:73 gears is 11.40's in the quarter on M/T streets.
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Old 08-07-2003, 11:56 PM
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ooops sorry forgot about the 100 hp of NOS.
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Old 08-07-2003, 11:57 PM
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what are the specs on the cam? this is another thing that I've been thinking about.....I don't want to get a 2400 stall and not be enough for a cam, because after these boltons are done and I get bored and my addiction for more mods gets worse, I'm gonna need a cam in there......most likely a comp cams XE 224/230 or something a little smaller.
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Old 08-07-2003, 11:59 PM
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I am running the Hotcam with the 1.6 rockers and LT4 heads ported and polished with race flow valves installed. LT4 Intake was also matched to the heads. I do have other mods as well and in process of dialing in the pcm with LT1 edit. I am hoping to touch the tens.
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