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  1. HPG

    how do i get fresh air in my 90 w/o opening a window and the ac off?

    That's a legal disclaimer for them. I run with the latch vent on, windows closed and the heater on vent. I do not notice any exhaust gas entering the car. This is also good feature if you have to park and leave your car in the sun. The alarm is still active.
  2. HPG

    Thought I just needed a sensor...

    I gave up on Chev Dealers, most of the mechanics are not really good with vetts. There is a garage in Bel Air, Gallants , he is president of the Bel Air Corvette Club. He is very good with vetts, but not cheap. I went to the one in Bel Air with my 87 which had check engine light on. After...
  3. HPG

    how do i get fresh air in my 90 w/o opening a window and the ac off?

    Try the rear window vent kit. It works. http://www.corvettegadgetman.com/products.html
  4. HPG

    Help with exhaust choice

    I have 40 series Flowmasters and you can't hear anything in the car at low speeds due to resonance.
  5. HPG

    Thought I just needed a sensor...

    Hey, what dealer did you use, the one in Bel Air. They took me for a ride on an 87 I once had.
  6. HPG

    Water Leak...where from?

    Yes, it may be the gasket round the windshield. Most C4's leak after some years. I do need a new gasket fro the windshield. Good Luck
  7. HPG

    Water Leak...where from?

    My 88 leaked on the A pilar on the drivers side. I used a tube of black silicone and put a very small bead between the glass and the frame. This stopped the leak. Run a piece of masking tape on the glass close to the metal frame. This will allow you to pull off any excess silicone when...
  8. HPG

    air con problems

    If the car is just sitting with the hood up, this is normal. If you have a way to check the outlet air temp while running. It would be in the low 50's or 40's on a cool day. If not, it may be low charge. If it has 134, you can but a inexpensive gauge from any auto store and check the...
  9. HPG

    Hatch noise

    I'll trade your cold for ours in Maryland today. High was 18 F with a wind chil of 1 or so. Everything including the driver rattles in the morning.
  10. HPG

    code 33 and irratic idle when cold

    Was one of the relays you replaced, the burn off relay. When I replaced the MAF power and burn off relay, my problem went away. No codes. Look at this, it may help. http://www.c4vettes.com/ecm.htm
  11. HPG

    Trouble Code 36

    The two behind the battery on my 88 are MAF power and burn off relays. Both have the same part number. When I replaced them, I stopped getting the Check engine light. Only cost $20 from a GM dealer. A lot cheaper than the MAF sensor. I've heard some problems when using a K & N filter...
  12. HPG

    Rpo Codes

    See if this helps http://www.teamzr1.com/gmcodes.html
  13. HPG

    What kind of MPG are you getting

    For a mix of not quite city and county driving, I usually get around 22 MPG. This depends on right foot prussure. Open road, around 25 or so.
  14. HPG

    codes

    See if this helps http://corvetteactioncenter.com/specs/c4/1988/index.html
  15. HPG

    85 Instrument Cluster

    here is another good article on the dash. http://www.corvettefever.com/howto/24899/
  16. HPG

    Air Cond.

    Yep, I was the one who wrote in the question. I guess if I knew them, what I know now ( at least what the article said ) I would have just went for the clutch. The way my luck has been going, the compressor would have been the original problem and took out the new clutch.
  17. HPG

    HELP Please..........88 Code question

    My 88 just had code 34 MAF sensor. Someone suggested, and I took their advise after pricing a MAF, replacing the MAF power relay and burn off relay. Both mounted together behind the battery. Cost me $20 and the check engine light has not came back on. The burn off relay or connections will...
  18. HPG

    exhaust question

    Those tips look like add on's from the Mid America book. It appars to have the two round outlets in the box. If there are two round outlets, one on each side is blanked off. I think it's the inboard ones. If this is the case, they probably are stock mufflers.
  19. HPG

    Shifter locked out of low?

    Hey vette newb, my 88 does the same thing. If that works, let me know. Thanks
  20. HPG

    Where is the water comming from?

    My 88 leaked on the drivers side and ran down the A pillar. It was from the trim on the outside of the windshield. I bought a tube of black silicone, ran a piece of tape just parallel to the trim and the glass. Put a small bead of silicone under the trim and glass.. the tape will keep it...
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