LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Stock gears with stall?

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Old 07-06-2009, 11:39 PM
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Default Stock gears with stall?

A kid up the street from me just bought a 94 Trans Am and it has 2.73 gears but the guy that sold him the car also threw in a 3600 stall converter not installed. He knows I have 2 LT1s and he came down and knocked on my door and asked if it would help his car a lot if he put that stall in. I told him I would find out and let him know. I have never ran high stall with stock gears. I have always done gears first or both at the same time. Has anyone did just a stall and noticed a difference or get any better results at the track with just a stall and stock gears? I tried to tell him to get gears but he doesn't have the money right now.
Old 07-06-2009, 11:55 PM
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honestly i wouldnt do it until gears were put in!!
Old 07-07-2009, 01:09 AM
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it will ABSOLUTELY help.

It took an hour and a half to get my 2.73 car up to the 3k rpm range!
Old 07-07-2009, 02:52 AM
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SS3600 here on stock 3.23s. Noticed a difference with the stall.
Old 07-07-2009, 03:46 AM
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If you can't notice a difference with a 3600 stall then you need a new butt dyno.
Old 07-07-2009, 04:57 AM
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2 different Z28's I had went from 14.40's to 13.90's with just a 3200 converter on
2.73's So I'd say yes it would most certainly help.
Old 07-07-2009, 06:08 AM
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I was able to drop off .6 seconds with a stall on my 00 trans am using 2.73 gears. With bolt ons it ran a 12.5 on street tires with a 1.8 60'

I know it's a different engine, but a stall will definately help.
Old 07-07-2009, 06:32 AM
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With a 2.73 gear you will notice an improvement with getting a stall.

I went from 2.73 and stock stall < 3.73 and 3000 stall.

My god this thing is in the RPM range from no matter where I mash the stupid pedal. I think I get better gas mileage also because of the shorter gears allowing me to use less throttle to get up to speed.
Old 07-07-2009, 07:55 AM
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it will be just fine with a 3600 stall
Old 07-07-2009, 10:46 AM
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There's some weirdness going on here.

I'm having a hard time understanding why a lower rear gear might be indicated before or necessarily simultaneous with a higher stall. It seems to me both mods work toward the same goal: more torque multipication on launch.

Now, a 3600 stall on a 2.73 rear gear might be a little extreme for a mostly stock LT1. Alternatively, it might be a great street/strip combo for a mostly stock LT1 to give it street talents plus decent gas mileage for a DD.

I continue to be curious about how street manners change with a high stall converter. Obviously, sticking with a 2.73 means it ain't a drag car, but whether it's a street racer or a DD might alter the decision.

I would like anyone who upped the stall without changing rear gears to chime in on how driveability changed...

Best -- Gary

Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. -- Douglas Adams,
Old 07-07-2009, 10:51 AM
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What brand of stall is it? Some 3.73's would compliment the 3600 stall. I'm running the Yank SS3600 W/ GM 3.73's.
Old 07-07-2009, 01:56 PM
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i installed a ss3600 with my factory 3.23 gears and it did not harm my steetability in any way. i installed this when i built my trans. But now the h/c is going in anyways so it was the right thing to do because now i do not have to drop my trans again.
Old 07-07-2009, 02:08 PM
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I have got a Yank PY3400 with stock 3:23s, it is a lot of fun to toy around with and has great street manners. You have to give it a little more throttle input to achieve the same results when you are under your stall speed but once it engages it is a lot of fun
Old 07-07-2009, 02:22 PM
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Originally Posted by Z48LT-1
There's some weirdness going on here.

I'm having a hard time understanding why a lower rear gear might be indicated before or necessarily simultaneous with a higher stall. It seems to me both mods work toward the same goal: more torque multipication on launch.

Now, a 3600 stall on a 2.73 rear gear might be a little extreme for a mostly stock LT1. Alternatively, it might be a great street/strip combo for a mostly stock LT1 to give it street talents plus decent gas mileage for a DD.

I continue to be curious about how street manners change with a high stall converter. Obviously, sticking with a 2.73 means it ain't a drag car, but whether it's a street racer or a DD might alter the decision.

I would like anyone who upped the stall without changing rear gears to chime in on how driveability changed...

Best -- Gary

Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. -- Douglas Adams,
I know when I had my stalled LT1 it was lots of fun at the track but got nerve wrecking on the street after a while. It started as a Full Bolt-on car w/ stock 3.23 gears and a Level 10 PTS 3400-stall. The part I most hated was accelerating onto freeway on-ramps or going up a steep hill. With the LT headers, ORY, 2-chamber Flowmaster and the cut-out it made it sound like I was WOT when I was really barely on the gas simply just trying to cruise. It got really annoying and downright embarrasing at times. If I ever was going to build a dedicated track car I would definitely go A2, A3 or A4. But otherwise I prefer the M6 for my street/strip bruisers.
Old 07-07-2009, 06:14 PM
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Originally Posted by Z48LT-1
There's some weirdness going on here.

I'm having a hard time understanding why a lower rear gear might be indicated before or necessarily simultaneous with a higher stall. It seems to me both mods work toward the same goal: more torque multipication on launch.

Now, a 3600 stall on a 2.73 rear gear might be a little extreme for a mostly stock LT1. Alternatively, it might be a great street/strip combo for a mostly stock LT1 to give it street talents plus decent gas mileage for a DD.

I continue to be curious about how street manners change with a high stall converter. Obviously, sticking with a 2.73 means it ain't a drag car, but whether it's a street racer or a DD might alter the decision.

I would like anyone who upped the stall without changing rear gears to chime in on how driveability changed...

Best -- Gary

Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. -- Douglas Adams,
Street manners with a 3200 converter and 2.73's for 2 of my z28's was just fine, but the one thing I did was lower the mph shift points for part throttle so it shifted into the hext higher gear before it wound uptight. It can be a little nerve wracking to have it still shift at the same rpm but have the engine wound a little tighter. But that's gonna happen with taller gear too I would imagine. On a side note, I went with a 4.10 about a year after doing the 3200 and it really didn't improve my ET by much. BTW with a 3200 and 4.10's I still get 19 mpg on the highway
Old 07-07-2009, 09:45 PM
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SS3600 with stock 3.23's with little to no difference in street manners. after u stomp it once u will forget all about the "street manners" the best way to describe it is when u kno u stop at a red light on level ground and u have to hold the brake pedal to keep the car from starting to move forward, well with my SS3600 the only difference is it will barely move forward if u arn't holding the brake, maybe a tiny bit but not like on a stock stall. but once u give it gas it feels like stock.

best way to describe it IMO. tell ur friend to take the stall, install it see how he likes it (which i gurantee he will) if not uninstall it and sell it lol (stalls are expensive!)
Old 07-07-2009, 11:26 PM
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I put a 3200 stall in my car with 2.73's and it was night and day difference. The powerband was always there. It will deffinately make a difference. I now have 4.10's and a stock stall and its just as fun but the stall gave it that little extra spark.



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