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  1. Q

    1990 Clutch Upgrade Question

    Hi Guys, I am reaching out for suggestions. Over the winter, I put a 383 from TPIS into our 90 6-speed. Clay from TPIS told me that any LT4 or LT5 Clutch should work fine with this engine. So, I bought a clutch from Ecklers for a ZR1. I think what they sold me was a clutch for a 1990 ZR1...
  2. Q

    Engine Upgrade for 1990

    For no other reason than I wanted to, I called Clay at TPIS and had him build me a 383 around the ZZ-9 cam. I don't have it yet, but it was on the dyno last week. It makes 458 lb/ft of torque at 4500rpm and 458 hp at 5900. At 2700 rpm torque is 419 lb/ft and stays above that. What do you...
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    Help! Issues with fuel gauge on 1990

    Hi Guys! My 1990 had a communications issue between the ECM and the CCM. After going through all the steps in the FSM ie. verifying wiring and grounds, we decided to replace the ECM. The replacement ECM fixed the communications issue, but immediately caused another to pop up with the fuel...
  4. Q

    Fiberglass floorpan repair

    Okay... I did'nt use the right tools and I did'nt pay enough attention to what I was doing and I caused damage. It's relatively minor, but I am still upset with myself and I ask if anyone knows what I should use to fix this... I needed to jack up my 90. I placed my 3 ton floor jack under the...
  5. Q

    Questions regarding replacing my FX3 Shocks

    I've finally gotten my new FX3's from Bilstein and I can not wait to get them on as my car has felt mushy for quite a long time now. I have a couple questions that I would like to ask to those who have done this job already. I do not want to make any mi$$$takes and I dont want any unnecessary...
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    WTB: FX3 Shocks for 1990

    Does anyone know of any NEW out there for sale? Mine need to be replaced and they are all on back order. Would rather have new, but will have mine rebuilt if I have to.
  7. Q

    FX3 Shock Rebuild

    Hi Guys! I am contemplating pulling the Billsteins off the 90 and sending them in for a rebuild. The car only has around 45K on it, but they just feel too...umm squishie to me. Following my wife in another vehicle, it looks like the back end bounces too much. Its somewhat difficult to tell...
  8. Q

    Thinking about TPIS Miniram

    Hello CAC! Can anyone tell me how much of a performance gain I could expect by installing a Miniram on my car. 5hp, 10hp, 60hp?? Would it still feel like it runs out of breath at 4500rpm? I have zero mods... 46K miles... Rear gear is 3.33. I ass-u-me that I'd need a new chip also as my car...
  9. Q

    Suspension Question

    Hi Fella's, I was told by someone that because my car has the FX3 and the Z51 RPO's that my suspension was downgraded to the base suspension and springs. I also have RPO FE7(Heavy Duty Suspension). So my question is: Did I get the HD suspension? I can verify the suspension by the spring codes...
  10. Q

    Sys, and battery drain, FX3 questions

    Hi guys! My name is Kevin and let me start off by saying how glad I am that I found this place! Thank you for being here! I have several questions that I hope someone here can help me with. My wife and I have owned our "baby" since she was brand new in 1990. She's a Quasar Blue 6 spd, Z51...
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