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  1. motorman

    Can anyone tell me what this block casting # means? Year and where?

    ZBC 1980,350,230 HP,4B,HP,TH, corvette. ZBC 1982,350,200 HP,CE,TBI,corvette. you need to check the casting date on the block
  2. motorman

    Anyone have Coil Overs on a C-4

    sounds like the car is lowered too much by lowering the spring preload and the coil overs are bottoming out. i have seen this happen before on coil over C-4s
  3. motorman

    Corvette Racing take dramatic GT2 win on Fumes as Ferrari runs dry...

    corvette racing finally had some good racing luck after all kinds if bad luck this year
  4. motorman

    Question: Holly carburetor for a 1977 L82 rebuild

    spread bore vs Q jet as carb rebuilder i would tell customers that brought in their holley spread bore for rebuild i would ask if the still had their original Q jet. i told them i would rebuild their Q jet and if they did not like it better than the spread bore i would rebuild the Holley free...
  5. motorman

    radio delete

    unless you have a race car what is the fasenation with radio deleat in a street drive car and people would think the plates would be worth a kings radsom ??? lot of corvettes it was not a radio delate as the radio was a option that could or could not be ordered
  6. motorman

    C5 Cooling System

    buy a 2 gallon pump up garden sprayer and fill it with ice and water and spray the rad with the fans running between rounds
  7. motorman

    Dirty Clutch Fluid

    if you have a bike or quad with a translucent brake master cylinder you see the same thing,the fluid turns dark in a short peroid of time. i have heard it come from the mold release used for the rubber parts and that is the same reason your tires turn brown
  8. motorman

    Msd 6 al

    most people put it close to the battery so the power leads do not have to be so long as they connect directly to the battery
  9. motorman

    Those with Modified Engines and Original Carb

    most of the time all these carbs need is different secondary rods to richen up WOT. that is the change that GM made between Q jets for SBC vs BBC
  10. motorman

    New intake for crossfire = more HP!!!!

    i don't think they ever got it to pass coastdown emissions with a manual trans.
  11. motorman

    worn bolster

    Grabiak in new alexadria pa where i have bought all 11 of my new corvettes
  12. motorman

    worn bolster

    i had a problem with my red one showing black and it was not something on the bolsters as it would not clean off so it was replaced
  13. motorman

    Grand Sport Oil pressure on 2010 Grand Sport

    straight from the corvette owners manual • GM4718M Your vehicle's engine requires a special oil meeting GM Standard GM4718M. Oils meeting this standard may be identified as synthetic. However, not all synthetic oils will meet this GM standard. Use only an oil that meets GM Standard GM4718M...
  14. motorman

    Grand Sport Oil pressure on 2010 Grand Sport

    air craft oil must be ashless. back in the day we used av oil in the race cars to prevent piston burning
  15. motorman

    Grand Sport Oil pressure on 2010 Grand Sport

    the 6 speed manual GS have the ZO-6 type dry sump system and the pressure will be different than the wet sump GS
  16. motorman

    Grand Sport Oil pressure on 2010 Grand Sport

    does red line oil meet the GM spec GM4718M for the oil because if not GM can void your warranty. here is the list.http://www.gm.com/corporate/responsibility/environment/maintenance/gm_approved_engine_oils.pdf
  17. motorman

    Spark plugs flashing blue at night

    i saw this effect back in the 50s on my flat head ford when opening the hood in the dark.
  18. motorman

    Drove the Edelbrock blower today...Whoa--it's one Blown Bat outa Hell

    the lower HP kit is $6500 and the higher HP kit is $7000. a lot cheaper than buying a ZR1
  19. motorman

    Drove the Edelbrock blower today...Whoa--it's one Blown Bat outa Hell

    similar blower setup to the new ZR1 corvette for a lot less money.
  20. motorman

    461X heads

    they were in big demand before NHRA allowed super stock cars to used ported heads. if you are looking for more performance there are a lot better performing cast iron heads in the after market and from GM
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