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What to expect with this 350 tpi set up

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Old Oct 10, 2005 | 10:22 PM
  #1  
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
What to expect with this 350 tpi set up

Has a full rebuild, not the block that came in the car... It has an Msd distributor, K&N filters for the snorkle set up, Its weird the guy said he has a chip in it so that it will shift at a higher rpm like 5800, that makes no sence to me what so ever cause for 1, the only way i heard to mess with shifts is the t.v cable. And also, why want to go passed 5500 with a tpi set up? I would like to adjust it (t.v cable) so that at wot when shifting from 1st to 2nd i atleast hear a cherp. It has a **** kit in the 700r4. And i'm also going with these 3:42's posi. As for exhaust, I dont have a clue right not. Just pretend stock manifolds with no cat.

What possible cars can I beat these days with this set up?

The guy states this set up with 4.11's went low 13's, and that with a smaller slick it could have gone a 13 flat. Which is real hard to belive.
Attached Thumbnails What to expect with this 350 tpi set up-picture-227.jpg  
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Old Oct 10, 2005 | 10:27 PM
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Token's Avatar
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
wtf is it with you Sean? You keep choosing the wrong paths!


First off, that guy doesn't know wtf he's talkign about. Just assume that the car runs mid 14s and shifts late due to poor TV detent and bad maintinence. How about you finish that Vortec 350, carb it, and gtfo!


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Old Oct 10, 2005 | 10:29 PM
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From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
Im not sure what youll run but just FYI dont use the TV cable to adjust your shifts, it has one right position only and if its not set right youll cook your tranny fast. As for a chip adjusting the shift points either the guy is on crack or you dont have a 700R4, adjusting shift points is done with internal workings.
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Old Oct 10, 2005 | 10:41 PM
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
Actually many people adjust the shifts by using the t.v cable
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Old Oct 11, 2005 | 05:13 PM
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
WOT shifts in 700R4's are controlled via the governor springs. Stock i think they were 5000, might have been 5500. Mine is 5500. People who adjust shift points via the TV cable dont have their tranny for very long. the only way to adjust the shift points, is in cruise mode, and that is by how the tv cable is pulled, the rate of pull, this is why the TV Made EZ kits were made, one of a kind. You can adjust your tv cable to preload for nice firm late shifts, but your tranny is not going to work AS IT WAS DESIGNED TO DO.

In cruise mode, you are not pulling on your tv cable as much, so your valve body is going to shift up earlier and softer because there wont be as much pressure as if you were gunning it. When you are gunning it, your TV cable is being pulled more, so the pressure will be higher and your valve body will shift later and harder.

You will never get your tranny to shift past the limit of your governor springs. unless somethig is really wrong.

Also, if you have stock springs on your heads, then you will start to float valves after 5500, unless the TPI setups came with better springs.

Last edited by 88_Import_Slaye; Oct 11, 2005 at 05:17 PM.
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Old Oct 11, 2005 | 07:29 PM
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
ok so where do i get this ez kit , this sounds weird. Whats causin this damn trans to shift late is what i wunna know. So i can fix it.
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Old Oct 13, 2005 | 09:46 AM
  #7  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
tvmadeez.com is where you can get them, or call in 760-947-5240

Firm shifting is prob because your TV cable is pre loaded, but as long as it's firm, your clutches are OK, they are not slipping, unless they are slipping then catching and your getting a bang-jerk type shift. int hat case you have to low pressures and bad clutches.
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Old Oct 13, 2005 | 10:09 AM
  #8  
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From: Elgin, IL
Car: 1997 Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73 IRS
Just adjust your TV cable like its supposed to be and then buy and install and adjustable governor kit. If I remember right, you can do this with the trans in the car.

There's no way a dead-stock L98 can run low 13s with 4.11 gears and a 5800RPM shift point. If anything, taller tires would've made that car faster, not shorter ones, and a shift point about 1000RPM lower.

As mentioned, stock TPI motors have a sort of built-in "rev limiter" somewhere around 5500RPMs when the valves start floating. Though, I suppose if brand new, they could maybe handle a few hundred extra RPM. But keep in mind those springs aren't designed for that, and running them up that high greatly increases your chance of one breaking.
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Old Oct 13, 2005 | 11:00 AM
  #9  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
Originally posted by DuronClocker
Just adjust your TV cable like its supposed to be and then buy and install and adjustable governor kit. If I remember right, you can do this with the trans in the car.
You can change out governor springs while trans is in the car. To PROPERLY adjust your TV cable, first disconnect it from your TB linkage. Then, have someone in the car press the gas pedal to the floor (WOT), while you try to turn your linkage further. If you can turn your linkage more, then you are not getting correct WOT and you need to first adjust your accelerator cable, get a new one or what ever. You CAN NOT properly setup your TV cable until this is fixed. If you have correct WOT, then hook up your TV cable to the linkage again and then press the button on the TV cable and slide the slider all the way back towards the rear of the car. Now, have that person inside the cab press the pedal all the way down to WOT again, this will adjust your TV cable correctly.

BTW: This only works with stock setups that came with 700R4's, if you have an aftermarket setup then this doesnt work and you need a kit.
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Old Oct 13, 2005 | 01:00 PM
  #10  
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
Thats more of what i was looking for. Now hows that supposed to harm my trans?
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Old Oct 13, 2005 | 01:00 PM
  #11  
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
Thats more of what i was looking for. Now hows that supposed to harm my trans?
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Old Oct 13, 2005 | 01:35 PM
  #12  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
it can harm your trans if your trans has not been rebuilt in a while, or at least your TV spring hasnt been replaced in the valve body, that spring gets shorter over time, not longer, so the problem is, you dont get proper adjustment.

It all comes down to pressures in the tranny, your TV cable might be stretched or too short for your setup, you cant just use ANY TV cable. Your TV cable controls pressures, with out proper pressure, your clutches will slip and eventually fail. If you have too much pressure, it wont really hurt it, but it wont be correct, nor will it be nice to drive. It will always shift too late and too hard.
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Old Oct 13, 2005 | 01:37 PM
  #13  
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From: greenville, OH
Car: 86 Firebird, 2002 Monte Carlo, 91 v
Engine: 350
Transmission: 700R4
Interesting how do you adjust it with an edelbrock 1405 when i had my quadrajet it would chirp the tires when shifting into second. After I switched to my edelbrock the shifts got really soft. both ways it only clicked once when I opened up the carb
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Old Oct 13, 2005 | 01:46 PM
  #14  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
aftermarket intake setups are NOT designed to work with these trannies, so the problem becomes the relationship between the TV plunger and the linkage. You need a kit. Again, i dont like advertising bowtie overdrives anymore, but they have the ONLY kit that works. I helped design most of them myself, all of the guess work has been taken care of. They just work and are worth $95 to prevent you from buying another $1500 tranny.
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Old Oct 13, 2005 | 02:00 PM
  #15  
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From: greenville, OH
Car: 86 Firebird, 2002 Monte Carlo, 91 v
Engine: 350
Transmission: 700R4
how many people have similar setups have put a kit on with an edelbrock carb and an after market intake? I would've bought a kit if I would've known it made a difference. I compared my intake to my old aluminum intake and they were pretty much the same. The Holley intake I got was basically a stock replacement.
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Old Oct 13, 2005 | 02:11 PM
  #16  
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From: greenville, OH
Car: 86 Firebird, 2002 Monte Carlo, 91 v
Engine: 350
Transmission: 700R4
found this site on the subject

http://chevyhiperformance.com/techarticles/83878/
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Old Oct 13, 2005 | 02:58 PM
  #17  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
Originally posted by firebird45331
found this site on the subject

http://chevyhiperformance.com/techarticles/83878/
Want to know who took those pics for that article? I DID! That is the Gen 1 kit, I only help to design the gen 1 kit for quadrajet 1905/1910. There are some new ones with the gen 3 kits.
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Old Oct 13, 2005 | 07:21 PM
  #18  
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
man this is all stock stuff. I just want the thing to shift sooner I dont care. It has 700$ into the trans with a shift kit.
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Old Oct 14, 2005 | 09:39 AM
  #19  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
Originally posted by crazy3rdgen
man this is all stock stuff. I just want the thing to shift sooner I dont care. It has 700$ into the trans with a shift kit.
Get a pressure gauge and work your TV cable until it feels better, but still has instant pressure rise.

You dont have to do anything i've suggested, and your trans will prob last a year, maybe 2, but it will not be correct. You can get 300k miles from these trannies if you take care of them.

Remember, over time, springs shorten and cables lengthen. Replace your TV spring and your TV cable and your good to go.

Or, get a T-56

Last edited by 88_Import_Slaye; Oct 14, 2005 at 09:44 AM.
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Old Oct 14, 2005 | 05:17 PM
  #20  
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From: greenville, OH
Car: 86 Firebird, 2002 Monte Carlo, 91 v
Engine: 350
Transmission: 700R4
that's cool as hell that you took those pics.
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Old Oct 14, 2005 | 05:23 PM
  #21  
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
Originally posted by 88_Import_Slaye


Remember, over time, springs shorten and cables lengthen. Replace your TV spring and your TV cable and your good to go.

Where can I get these parts at autozone? and is it hard to replace?. And letme guess, When i go to put the new t.v cable in, when i adjust it i'm gunna blow the car up too huh.
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Old Oct 15, 2005 | 10:20 AM
  #22  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
you will not be able to get them from autozone try gm dealer or get the kit from bowtie

its not too hard and no you will not blow up your car simply drop the pan and pull the filter then you will pull a roll pin to release the tv detent valve and then you pull the spring and plunger then insert new spring and other parts in reverse order

if you get a kit from bowtie it has everything with complete instructions in full color that i created myself

sorry for run on sentance my keyboard is jacked and i have no punctuation keys
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Old Oct 15, 2005 | 10:34 AM
  #23  
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
how much the kits go for
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Old Oct 15, 2005 | 10:57 AM
  #24  
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From: Grand Terrace, CA
Car: 88 Camaro
Engine: 310 LG4
Transmission: 700R4 w/2200 stall
Axle/Gears: 3.42
WOW! Looks like they are getting greedy, they raised the price a bit

http://www.bowtieoverdrives.com/cata...AT&CATID=WA2A6

it was $109.99 but now it's to $150. Still it's not bad to protect your $1500 tranny.

Well, you might just ask for the spring and tv cable if you cant afford $150, since TPI systems were used stock with 700R4's then you will be ok as far as the relationship goes, but you still need to replace the spring and tv cable as well as set it up as I stated above.

Last edited by 88_Import_Slaye; Oct 15, 2005 at 10:59 AM.
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Old Oct 15, 2005 | 11:04 AM
  #25  
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From: Long Neck, De
Car: 2002 SS
Engine: Ls1
Transmission: T56
Axle/Gears: 3:42 posi
well... why can't I just take out the chip that makes it shift at 5800 thatd be the easiest would it?







haha just kidding
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