I just bought a 87 Z28 5 Speed 305 H.O. like a week ago.. and I need a new carburator. I was just wondering what you would suggest me. I think I can get them cost price. And I'm whiling to spend like $300 for it.

 

I think I place this thread in the wrong board.. This should be in the 3rd Gen Tech! Thanks

 

If it's stock you wont need anything more than a 650. Edelbrock is more streetable, holley makes slightly more power, the argument will go on forever. I picked edelbrock on my 383 and had no probs with it.

 

Moving to "3rd Gen Tech"........

 

Where can I check on the engine to know what year it is?

 

Has to be the low-output LG4 if it's original I guess.

Check the 8th digit of the VIN, from thirdgen.org's tech data page:

 

If you need to pass a visual inspection, the computer controlled Qjet is your only option. There is no aftermarket performance replacement- just rebuilds from various places.

If you don't care about visuals or don't need to worry about emissions then you can go with an earlier non-computer controlled Qjet that's been built for a performance application and it will bolt right on. If you're going with a Holley or Edlebrock carb you'll need to either get an adapter to bolt it onto your stock QJet intak or you'll need a different intake designed to take one of these "sqare bore" style carbs.

Also, if ditching the computer controlled Qjet you'll have to replace your computer controlled distributor with a non-computer controlled one (that has centrifugal and vacuum advance). The computer will freak when it doesn't see the computer controlled carb on there any more, go into "limp home" mode and give your stock computer controlled distributor a very weak advance curve, killing any kind of performance gain from the carb swap.

 

Damon can show you a couple of simple tricks that will make your Qjet run like nobody's business. Just ask him!

 

Thanks for all the help.. It's weird I used to have a carb. from a 73 Corvette. I think its a Rochester 450 or something.
I just ordered a Edelbrock 600 cc
Do u guys this i should of went for a Holley 600 ss?? Or is that one better?

 

Just rebuild (or have someone rebuild) the stock Q-jet. Unless you are doing other modifications, you are just going to make it worse.

Also '87 Camaros came with carburetors, it wasn't until '88 that the L03 TBI replaced them.

Martin