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  1. jamison

    Question: ZR1 Sway Bars

    I just have a quick question. For the life of me I can not find any info on the stock size sway bars for a 1990 ZR1. I have a base model 1990 coupe and I was wondering if there is a size difference for the diameter compared to the ZR1. My front is a 26mm and my rear is a 22mm. Im considering...
  2. jamison

    Help! Im lost

    Hey guys I havent been on here for a while... I have a 1990 C4 with and automatic transmission. My car is having trouble starting after it has been warmed up. It starts fine cold and if I turn it off for a minute once its warm it will start right up. But if it sits for a few minutes it seems...
  3. jamison

    Question: Swapping C4 seats for C6 seats

    I just picked up a set of C6 seats cheap off of craigslist for my C4. I was wondering if anyone has done anything like this? It looks like i'm going to have to use the mounting brackets that came with the seats that attach to the slide rails but i'm not sure. both the C4 and C6 seats have very...
  4. jamison

    Question: A few instrument cluster problems.

    I have got a 90 coupe automatic with 5 problem/questions about my instrument cluster. 1st- when i am doing about 50mph in overdrive at about 1800rpm the shift light comes on? 2nd- the seatbelt light never turns off? 3rd- the tach needle randomly decides when it wants to be lit up at night...
  5. jamison

    Question: is it my fuel pump?

    my 1990 has just turned over to 99,000 miles and im having a fuel problem. when i get to about 4.5 gallons left in my tank it acts as if it is starting to run out of gas. as soon as i fill up the tank it runs fine until i get down to about a quarter tank of gas and then it wants to die. ive...
  6. jamison

    Question: RPO codes

    I was looking up my RPO codes on my 1990 and found all of them except for three, they were not listed on the 1984-96 RPO codes page. 901 903 909 thanks for the help:)
  7. jamison

    Question: got a couple of problems

    A week ago I was driving and got caught in a light rain so i turned on the wipers to the lowest setting and instantly the wipers just started goin at full speed. So I turned them off and they just kept wiping. eventually I got them to turn off. Then the other day I was getting ready to leave and...
  8. jamison

    Question: manual fan Switch

    I have a 1990 with the 2 fan relays located on the driver side radiator shroud. i want to wire up a manual switch to turn both fans on and off with out having to turn on the ignition key this way when i take the car to the track i can have it cool down between runs. but i also need it to have...
  9. jamison

    Help! Houston we have a problem!

    I have a 90 coupe with a 4 speed automatic. when it is at about 180 degrees or under the car runs fine, i can hit on it and it just accelerates up to speed with no problems. However when it gets up to 210 degrees and above it becomes very hesitant when i give it some gas. I can put my foot to...
  10. jamison

    Has anyone tried any of these?

    I was on ebay just browsing and came along some performance chips for really cheap prices. I was just checking to see if any one has tried these. For the price it seems like something to try and not cry over the price if it didn't work. corvette c4 chip, Parts Accessories - buy and sell on eBay...
  11. jamison

    Question: 160 thermostat

    can i put a 160 degree thermostat in my 1990 with the stock chip?
  12. jamison

    Question: Smog pump eliminator

    Hi i have a 90 l98 with true dual exhaust and no cats. There's no emission standards where i live and i would like to put long tube headers without emission tubes on soon. so I was thinking of getting rid of the smog pump and replacing it with a pulley bracket. My main concern is will the ECM...
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