I may be buying a 94 Z28 With the lt4 hotcam kit installed. I'm just curious does the PCM need to be reprogramed with the new cam in?I know he didnt do it. and will it cause any problems w/o getting it programed right away.

Also what do you guys think of the car?

Thanks,

Jake

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Here's the list of mods I know some of you would like to know.

>OVERALL:
>1994 Chevy Camaro Z/28
>6 speed Manual Transmission
>LT1 350 V8
>Power Everything, A/C
>4 wheel disc brakes
>Hardtop
>Gray/Black Cloth Interior
>--------------------------
>INTERIOR:
>Chevy Racing floor mats
>T-304 Stainless short shifter
>B&M chrome shift ****
>Viper 350HV Alarm with keyless entry
>Kenwood in dash w/ 12 disc CD changer
>4 Infinity 5x7" speakers
>500 watt power inverter w/ outlets
>7" LCD Screen w/ remote (for DVD, PS3, Xbox, etc)
>Proform L.E.D. shift light
>Grant GT Racing steering wheel (smaller diameter for tighter steering)
>Pre-wired for amplifiers
>------------------------------------------------
>EXTERIOR:
>Dark Metallic Gray paint, (only came in '94)
>12" black racing stripes
>5% tint
>Blacked-out rear taillight panel
>17X9 Miglia 1000 lightweight aluminum wheels (Made in Italy)
>Kuhmo Ecsta: 275/40ZR17 rear tires, 255/40ZR17 front tires
>Lowered 1.75"
>Chrome billet grille
>PIAA fog lights
>Aftermarket headlights
>Clear corner's (front turn signals)
>-------------------------------------
>SUSPENSION:
>Blue Springtech racing springs (-1,3/4")
>New front struts and rear shocks
>Red Fabtech front strut tower brace
>--------------
>PERFORMANCE:
>Pacesetter Headers and Y-Pipe
>3" Flowmaster Exhaust
>K&N cold air intake
>------------------------------
>MOTOR:
>355ci LT1 V8 (new $4500 motor) 0 miles
>Intake manifold port and polish
>Flowed aluminum LT1 heads
>Aluminum roller rockers
>LT4 hot cam kit
>New starter, battery, distributor, &more

this is the basic overall list that he sent me, there might be more.

 

With those engine mods you'll definately want to get the PCM tuned, in the least get a PCMflorless.com tune, but you'll benefit much more from a reputable dyno tune.

 

I had the pcm for less in mind. Are the "Power Programers" you can find online that hook up to the PCM any good? Can I program just as much with that as PCMforless can? I never even thaught of a dyno tune... That'd prolly be the best huh I should wait till the engines broken in

 

The Power Programmers are a $300 paper weight unless you need to remove a speed governor or change your speedo for new rear end gears. PCMforless can tune multitudes more than those little programmers. A full dyno tune is always the best choice though, and most of the time not too much more than the hand helds(I have a local place that does a full dyno tune for $500).

 

Sounds Good, Now if I can find a dyno shop in my Area... I live in Port Orchard WA, I think the nearest one is in seattle or Tacoma. But that sounds good, as long as a full dyno includes a full pcm program. Thanks for the advice!

 

The only way they can tune it is through the PCM, so if you find a place that can do it they should have all the software and everything that you'll need. Just make sure you specify that you want a dyno tune, not just a dyno run.

 

No. With an LT4 Hot Cam kit you don't need to get a custom tune, as it is "plug and play," but I would highly recommend it. Your car will run much stronger with a tune, and you will certainly notice the difference. I personally wouldn't skimp on the tune.

I had Bryan from www.pcmforless.com do my tune (TWICE) and each time he did a top-notch job. Do yourself a favor and stay away from products like Power Programmers. They're $300 fanswitches. They are USELESS. That's great that you can change your gear settings, or sharpen up the shifts of your transmissions with them, but Bryan can do the same thing for you, and probably at a cheaper cost.

I learned the hard way by purchasing a Power Programmer.

 

Dyno-tunes are great, no doubt, but when you do a dyno-tune, that tune is custom done for whatever the weather is at that particular time. If you get tuned in the winter, because it's cooler, you may be able to mess a bit with the timing and not worry about detonation, but come summer, you may be getting detonation with that same tune because of the warmer temperatures.

 

I never really thaught of the temp makin much of a diff for pre det, but I will definitly keep that in mind thanks again.