sup yall I had my 93 z28 for about 6 months and it was all good until december I had to get a new water pump,optispark distributor,ignition module,and a thermostat. I need a new radiator,cylinder heads I think im not sure but can you guy's tell me what are the signs of a brokin cylinder head I think its just the gasket hope so also I got the MSD Blaster GM Coil so do I need the MSD spark plug and the wire sets, and the distributor

 

what kind of problem are you having ?

 

my car get's hot way to fast thats the only thingbut I think m heads are brokin just the one on the right side of the car

 

Before messing with the heads, have the coolant tested for combustion gases, and do a compression test. Are the fans running when the car overheats?
The MSD coil works fine with the stock ignition as long as all stock parts are in good condition. However, the higher voltage will amplify any small problems, such as marginal wires, distributor cap, etc. Why are you changing ignition parts when you are concerned with overheating?

 

thats the thing pete there is no coolant in the car now but befor all this happen I got that dexcool thing by gm and i went to work and it was all gone dont know what up with that i got a new water pump an all butI think thats it is the radiator as far as the MSD thing goes i realy dont care about it I was just askin about it I just want the car to run like some what new thanks for all the help guys keep them comin

 

what do you mean they are brokin ? are they cracked ?

 

I think so but everyone is telling me that its the gasket but one question alih about it being cracked can I see it with out moving anything man this car is driving me crazy but thanks for all the help

 

well you said it had an abnormal amout of coolant loss, i would check for any leaks in the hoses to the radiator and water pump, if you do see some leaking around the heads then it could be the gaskets, you said the car gets hot way to fast, check to make sure the fans are coming on, they are supposed to come on around 226 degrees farenheit if its stock, if its not the fans it could be the thermostat, check to make sure the radiator is full of coolant and that the resevoir is to the full mark, dont over fill it

 

The fans come on I know it aint the water pump I change that I don't think its the hoses to there is no leak from the car at all just the overflow tank leaks when it gets hot that's it no leaks by the heads just somke when I was driveing it I don't know how the coolant was gone so fast it got to be the radiator and I got a new thermostat put in I think its the 190 one but my fans are hook up to a switch and when I did that the car was runing fine but it got hot again just like it did before

 

if its leaking from the overflow tank, usually that means there is too much coolant in it, when coolant gets hot it expands, probably why its leaking from the overflow tank