1994 z28 tune up lt1 ?? why Chevy why
#1
1994 z28 tune up lt1 ?? why Chevy why
my cars running rough looked at the drive side plugs & wires im pretty sure been longg time since they been done couldn't even see passenger side wires & plugs why in the world are they made like this ?? and any info on best way to change them best wires & best well at good price one shop told me 500 to do it another said 350 and best i got so far was 200 that sound crazy for a tune up to me
#2
Re: 1994 z28 tune up lt1 ?? why Chevy why
It can be a difficult job, especially on the passenger side. IMHO, best bet is a set of genuine ACDelco plug wires. Info on changing plug wires can be found with a search, but opinions vary on how to do it. It usually comes down to how a strategy works best for you. One strategy does not work for everyone.
#3
Re: 1994 z28 tune up lt1 ?? why Chevy why
Some of the plugs on the passenger side are reached from under the car. #2 at the front can be accessed best by removing the alternator.
#5
Re: 1994 z28 tune up lt1 ?? why Chevy why
update plugs was baddd and 2 out of the 8 wires was broke could see wires its been alone time since its last tune up she feels good now knock on wood but another ?? is my temp half way hot good ? i put new radiator in 180 thermo new anti freeze still seems to when i idle it goes up to half way to a lil just a lil over half ?? maybe i worrie to much
#6
Re: 1994 z28 tune up lt1 ?? why Chevy why
The temp gauge half way up (is ~210F). The fans with a stock PCM tune are programmed to turn on the primary fan at 225F (driver side), and secondary fan at 235F (pass side), which the 3/4 mark on the gauge.
Sitting at idle for a period (especially on warm days), it's common for it to hit the half way mark. As long as the fans turn on, it should keep the temps in a safe range. You never want to let it exceed the 3/4 mark (~235F). When normal driving, it should stay cool enough that the fans shouldn't need to cycle.
Sitting at idle for a period (especially on warm days), it's common for it to hit the half way mark. As long as the fans turn on, it should keep the temps in a safe range. You never want to let it exceed the 3/4 mark (~235F). When normal driving, it should stay cool enough that the fans shouldn't need to cycle.
#7
Re: 1994 z28 tune up lt1 ?? why Chevy why
the temp gauge was half way and i jumped under it both fans was on it only got just a lil i mean justtt a lil above half way yea its all stock ive done nothing to it but what i listed tune up and new radiator
#8
Re: 1994 z28 tune up lt1 ?? why Chevy why
How the fans operate depends on when in the 1994 model year your car was built. "Early" in the year they used the strategy described above - first fan on at 226°F, second fan on at 235°F. "Late" models turn both fans on low speed at 226°F, both fans on high speed at 235°F. If you have the A/C on (or defrost) the first fan, or both fans on low will turn on no matter what the coolant temp.
Look at the fan relays in the under hood fuse box - 2 relays for the "early" system, 3 relays for the "late" system.
As noted above, the mid-point of the gauge is 210°F, and that is normal for hot weather idling.
Hopefully, you bought the correct LT1 type t'stat. You can't use a standard small block Chevy t'stat, and that's what many auto parts stores will sell you.
Look at the fan relays in the under hood fuse box - 2 relays for the "early" system, 3 relays for the "late" system.
As noted above, the mid-point of the gauge is 210°F, and that is normal for hot weather idling.
Hopefully, you bought the correct LT1 type t'stat. You can't use a standard small block Chevy t'stat, and that's what many auto parts stores will sell you.
#11
Re: 1994 z28 tune up lt1 ?? why Chevy why
Which guarantees nothing , but if it looks like this, you are ok.
#13
Re: 1994 z28 tune up lt1 ?? why Chevy why
found the box i got it from advance auto parts paid 14 bucks heres the link Superstat Superstat™ Super Premium Thermostat, 180 Degrees Fahrenheit 45218: Advance Auto Parts
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