should I tune my car?

I was curious if there's any benefit to getting a tune on a stock engine?
I've always tuned my stock engines to at least get some advance in the spark to get some more efficiency and throttle response.

Yes, Yes Yes!

http://pcmperformance.com/

Change VIN

=Disable VATS

=Change RPM or speed limiters

=Speedometer recalibration for axle ratio or tire changes

=POWER TUNE = spark timing and fuel remapped for more hp/torque

=ECONOMY TUNE = improved mpg

=High or low octane programming

=Lower fan turn-on temp settings

=Remap shift patterns for performance or towing

=Remap shift pressures for firmer shifts

=Modify TCC lockup speeds for performance or towing

Compensate for high stall TC

Switch automatic to manual transmission or vice versa

Compensate for displacement changes

Adjust for different fuel injectors

Adjust for larger throttle body

Compensate for cam changes for driveability and power

=Delete emission functions and codes (EGR, AIR pump, EVAP, O2s, etc.)

=Program for MAFless operation = speed density mode

=Delete various nuisances (SKIP SHIFT, traction control ,etc.)

Remove or add torque management

Delete other miscellaneous functions and trouble codes (A/C, oil level, etc.)

Nitrous, forced induction and more...


Things marked = at the begining, are ones that you can do to a stock motor without any real mods.


Or there are some on here that can tune as well.

IMPALADAKID wrote:

Yes, Yes Yes!

http://pcmperformance.com/

Change VIN

why would I want to change my VIN?

IMPALADAKID wrote:

Disable VATS

what's VATS?

IMPALADAKID wrote:

Change RPM or speed limiters

Speedometer recalibration for axle ratio or tire changes

Oooo

IMPALADAKID wrote:

POWER TUNE = spark timing and fuel remapped for more hp/torque

ECONOMY TUNE = improved mpg

High or low octane programming

Lower fan turn-on temp settings

Do they have selectable tunes or is it one or the other?

IMPALADAKID wrote:

Remap shift patterns for performance or towing

Remap shift pressures for firmer shifts

Modify TCC lockup speeds for performance or towing

Compensate for high stall TC

Switch automatic to manual transmission or vice versa

Compensate for displacement changes

Adjust for different fuel injectors

Adjust for larger throttle body

Compensate for cam changes for driveability and power

Delete emission functions and codes (EGR, AIR pump, EVAP, O2s, etc.)

Program for MAFless operation = speed density mode

MAFless? what other changes do you need to make? is there an existing MAP sensor that's got a high enough resolution to handle it or do you need an aftermarket sensor?

IMPALADAKID wrote:

Remove or add torque management

Delete other miscellaneous functions and trouble codes (A/C, oil level, etc.)

Nitrous, forced induction and more...


Or there are some on here that can tune as well.

so, basically... yes, I should...

I kinda wish I had OBD2 so I could flash it myself

No.

toomanytoyz wrote:

No.

But should he Dyno it?

Cadet57 wrote:

toomanytoyz wrote:

No.

But should he Dyno it?

No

did someone get a bad tune and a blow up?

OBD2 SUCKS ASS.

oh
I have OBD1... so no big deal.
I was wondering about those 'DIY' tuning kits. I think I saw something called TunerCAT or something?

I bought the cable and used tunerCAT before, not too hard to use. I did only change fan temps and adjust my speedo though. Looks like you can do some fun stuff in there.

95brmw wrote:

I bought the cable and used tunerCAT before, not too hard to use. I did only change fan temps and adjust my speedo though. Looks like you can do some fun stuff in there.

Is TunerCat locked to your ECU when you use it or if someone I know has TunerCAT and the cable, can they tune my car?