Eric,
I wanted to ask you about your posi. Which unit did you get? I see you have 3.42 gears and just wondered if you got the 2 series one or the 3 series one. I want one but are unsure which one to get since I still have the 2 series carrier with 3.73's. HArd to install?

Eric

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Teal 1991 Camaro R.S., T-Tops,
Leather, Re-worked 700r4 also w/kit,
MSD ignition, MSD 8.5 mm. superconductor wires,
MSD Coil, ADS superchip, Open element air cleaner,
K-n-N filter, Gutted cat, Flowmaster cat-back system,
Edelbrock TES headers, March 3piece billet underdrive pulleys
3.73 gears
http://www.geocities.com/gitarz2/camaro.html
I was shocked to see that companies sold a taillight
set for a rustang! Since when do they have taillights????

 

I got mine form slp for $99. It is the take off unit from Zexel. Its a 3 sereis and is used but only for about 10 miles. Mine came in great shape and for $99 you end up saving about 200 to 300 dollars.

 

How did you remove your speed limiter. Is there anyway to do it besides what the tech article said. Sounds complicated.

 

I bought mine used and it was a carrier 3 posi unit. I had to get rid of my 3:73's because they were made for a carrier 2 unit (my stock unit I had in at the time aka Peg-leg rear) so I had to sell the 3:73's. I didn't install my gears or posi. With gears you have to make sure they are lined up perfectly or you can mess things up I guess. So thats what I did, I just gave them to a well-known mechanic in my county and he put them in for 175.00 bucks. As for the speedo gear, I took mine to this local place called specmo. They calibrated it for me and gave me a new speedo gear to put in.

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Eric Natzke
91 Firebird 305 TBI (ZZ5 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-MSD Cap & Rotor-MSD Blaster Coil-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

[This message has been edited by 91Bird305 (edited December 04, 2000).]

 

there is a much simpler way to remove the speed limiter. I have 3.73 rear. All you need to do is get a new chip that has that programming removed. i got one from FAST CHIP. just make sure you tell them to remove the limiter(i believe this is automatic if you get the stage 2 chip) plus you'll get some performance gain.

Keep in mind HYPERTECH chips DO NOT remove the speed limiter, so go with another company, and be sure to double check.

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1990 Camaro RS
305 TBI Auto
K&N Open Air Element, Edelbrock Performer Intake, Edelbrock Headers,Catco Hi Flow Cat, Edelbrock Exhaust, Hypertech Underdrive Pulley's, Jacobs Ignition, Fast Chip PROM, B&M Shift Kit, B&M Mega Shifter, 3.73 Rear with Auburn Limited Slip, KYB GR2 Gas Shocks and Struts, Eibach Pro Kit Lowering Springs, Edelbrock 3 Point Strut Tower Brace, Baer 13 in. Slotted Rotors with Metallic Pads, American Racing Torq Thrust II 16x8 Wheels with Toyo 245 50 VR 16 Tires, 3 in. Cowl Hood, A little weight here and a little weight there.