86-93 tuning at JS Performance!!

[JSPERFORMANCE]

We have finally gotten our program together to tune 86-93 GM cars up and running.

The prices are as follows:

Bolt on cars - $160

N/A with internal modifications - $260 (may require dyno time)

Forced induction - $310 (usually requires dyno time)

The price includes removal and installation of the computer and chip from stock location.

*Dyno time extra

*Minimum requirements*

Every vehicle must be in good mechanical condition and may not have any problems with large amounts of smoke, external leaks, or wiring.

Every vehicle will undergo a visual inspection to confirm its condition.

Must have at least a 180* thermostat which can be installed here for an extra fee.

To schedule your appointment PM or E-Mail me @ Josh@JSSpeedandcustom.com

[Untamed]

Must have at least a 180* thermostat which can be installed here for an extra fee.

To schedule your appointment PM or E-Mail me @ Josh@JSSpeedandcustom.com


Still being a newbie to this whole car thing, I don't understand why there's a reason for a new thermostat. What are the stock thermostats for a late 3rd gen TA?

Does the tuning include TBI cars?

[Kat]

Stock is 195* and why, usually the timing is increased in certian areas. Like at WOT. With more timing, the car is more prone to detionation and preignition..

Detonation is the spontaneous combustion of the end-gas (remaining fuel/air mixture) in the chamber. It always occurs after normal combustion is initiated by the spark plug. The initial combustion at the spark plug is followed by a normal combustion burn. For some reason, likely heat and pressure, the end gas in the chamber spontaneously combusts. The key point here is that detonation occurs after you have initiated the normal combustion with the spark plug.

Pre-ignition is defined as the ignition of the mixture prior to the spark plug firing. Anytime something causes the mixture in the chamber to ignite prior to the spark plug event it is classified as pre-ignition. The two are completely different and abnormal phenomenon.

Reason for running a lower t-stat is to keep the heads, block, incoming air/fuel mix cooler to thwart off the effects of detionation/pre-ign. Which allows for more timing to be added. Why add more timing? Well it is used to fire the a/f mix at the right time to allow the pistion to be pushed back down into the cylender for optium power output. If you have the stuff mention above happening from hot spots on the head, block or wherever, it negates the added benefits of more timing.

Cliff notes..

Cooler t-stat allows the car to be more eifficent in making power! :D

AS for TBI cars, still haven't really messed with them. You have to do a few computer mods (like solidering new parts into the computer) that we haven't explored yet. When we get our hands on a few test computers (sometime soon we hope!) we'll start doing them.

[DaSkinnyGuy]

OK I have the 180 thermo so I am set. Car wont be out till spring but will you be able to tune the 3.1L with the map sensor. When I last saw you, you werent sure if you would be able to.

[Fast92RS]

Hopefully next summer I can get my car to JS's. For tune and dyno. I have tuner pro and I have a tune to start with but i will need some help with it. I just gotta figure out how to get my car to JS's.

[Tru2Chevy]

So is this currently only for TPI cars?

- Justin

[//<86TA>\\]

so i assume you dont tune carbed cars?
________
The Cigar Boss (http://thecigarboss.com/)

[Tru2Chevy]

so i assume you dont tune carbed cars?

If you are referring to a standard carb, and not a CC - Q-Jet, then I'm sure Josh could take care of you.

- Justin

[GP99GT]

when i saw 86-93, 5.0 HO EFI automatically popped into my head :lol:

[Kat]

so i assume you dont tune carbed cars?

CC-Q-Jet's nope. There isn't a hack out there as far as I know that allows us to do so. But the best chip out there for is one for the ZZ4 engine if you can find it. If I remember right, you used to be able to order one from GM for a few bucks.

Justin, for now MAF/SD TPI cars and the 92-93 SD LT1 cars. We have to get a few more things before moving on to the newer stuff.

I do know prolly by late Jan, we'll have stuff to do all of the LSx cars and stuff like that.

[JerzLT1]

OBDII LT1 tuning FTMFW
hurry up lol

[deadtrend1]

OBDII LT1 tuning FTMFW
hurry up lol

yea, think about us!

[keith2717]

I cant wait!!!!!

[JSPERFORMANCE]

As far as carbed cars go, I have always tuned them the tpi tuning is just a new addition. With the carbs it is more mechanical modifications than anything electronic since the computer has little to do with wot performance.

[IROCdan330]

yea, think about us!

we need to generate funds to buy the related software and hardware. Be patient.

[foff667]

Wow, those are great prices, almost too low in all honesty, good luck!

[//<86TA>\\]

cool, maybe ill check you guys out, ive got a 4150 style holley, not he quadrajunk, its runs well, just been wondering if there is anymore left in it. There is very little left stock on the car...
________
LovelyWendie99 (http://www.lovelywendie99.com/)

[deadtrend1]

WAIT A MINUTE. I forgot I have a 86-93 TPI car!!!! :)

That makes Josh, my new best friend!

[JSPERFORMANCE]

I can go over the carb and timing for you just to make sure you are in the ballpark but the track is going to be your best prooving ground.

[JSPERFORMANCE]

Oh here we go now I have a whole new group of "friends" now do I? :lol:

[deadtrend1]

Oh here we go now I have a whole new group of "friends" now do I? :lol:

But thats a good thing, not a bad thing.

[JSPERFORMANCE]

Wow, those are great prices, almost too low in all honesty, good luck!


These are our introductory prices. Right now we are trying to get the word out and tune as many as possible over the winter.

Come spring time the pricing will go up a bit.

[PolarBear]

These are our introductory prices. Right now we are trying to get the word out and tune as many as possible over the winter.

Come spring time the pricing will go up a bit.

Damn I need to get my ass in gear then. I have some lose ends to tie up before I was going to get this done.

[bubba428]

on my 86 can you correct the speedometer and eliminate the SES light(from the motor swap)

[Kat]

on my 86 can you correct the speedometer and eliminate the SES light(from the motor swap)

What did you do differently from the engine swap than what was in there before? (like new trans, went from EFI to carb?)

[bubba428]

it had a CC Q-jet 305 but now its just a 350 with a holley carb. its got a 3.42 rear over the original 2.73 as well

[JSPERFORMANCE]

Nothing that you stated is within the realm of computer programming. You must remove all of the computer controlled devices if you want to run a standard mechanical carb or it will never run correctly.

[deadtrend1]

on my 86 can you correct the speedometer......

that requires new gears which are accessable by removing the tailshaft

[Kat]

that requires new gears which are accessable by removing the tailshaft


Yep, what he said. 93 is when they started using the PCM to calibrate the speedometer. Before that, you must change the speedometer gears on the tail shaft.

[//<86TA>\\]

yup need to change the speedo gears, and its not as hard as it seems, i was surprised how well the job went when i finally broke down and did mine
________
EXPERT INSURANCE (http://xpertinsurance.com/)

[bubba428]

Yep, what he said. 93 is when they started using the PCM to calibrate the speedometer. Before that, you must change the speedometer gears on the tail shaft.

kewl...I'll have the trans out soon anyway

[Featherburner]

Yep, what he said. 93 is when they started using the PCM to calibrate the speedometer. Before that, you must change the speedometer gears on the tail shaft.As far as I know 94 and on is adjustable through the PCM. 93 autos need the gear change in the trans. and 93 manuals need a calibration box like SLP use to sell. The Dakota Digital box is also used with good results. This all applies to the 4th gen V8, I don't know about any other model. It may apply to the 93 Y body as well.

[Kat]

As far as I know 94 and on is adjustable through the PCM. 93 autos need the gear change in the trans. and 93 manuals need a calibration box like SLP use to sell. The Dakota Digital box is also used with good results. This all applies to the 4th gen V8, I don't know about any other model. It may apply to the 93 Y body as well.

You could be right, I know on the 90-92 SD cars you can do some speedo calibration in the chip if need be (like in large amounts. I had a T56 in my car at one point, and all I used was the stock 7730 to correct the speedo) I kinda figured that 93's the ECM took control over that aspect.... I could be wrong tho.

[NumberTwo]

Hmm, maybe I should have my car shipped to JS so I can get the trans line fixed, HSR installed and a tune. :)

[JSPERFORMANCE]

shipped??? old bridge township is only 45 minutes from my place..

[Tru2Chevy]

shipped??? old bridge township is only 45 minutes from my place..

Maybe it doesn't have an intake on it at all now, since he wants you to install the HSR. Not to mention who knows just how bad the leak in the trans line is.

- Justin

[NumberTwo]

The trans line melted on the header. The underside of my hood, as well as my entire motor is covered in trans fluid. Still debating on having AAA tow it to your shop, or one here locally.

[JSPERFORMANCE]

ahh, I see..