need info on ZZ3 engine - Team Camaro Tech
Engine General Engine Discussion.

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post #1 of 5 (permalink) Old Aug 19th, 03, 12:02 PM Thread Starter
Join Date: Aug 2003
Location: detroit
Posts: 15

i either need a book or a good website for info on the ZZ3 engine. i tried to go to the chevy dealer to see if they had a book there but they didnt. the i bought a 1968 camaro recently with the engine in it and i want to do some stuff to it because it is running a little shaky. i want general info like timing, dwell, ect.
any help at all would be great.
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post #2 of 5 (permalink) Old Aug 19th, 03, 03:49 PM
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Join Date: Jul 2000
Location: Sturbridge, MA
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My brother has a zz3 in his nova. They came with HEI's, so I'm not sure about what you should set the dwell at. I do know that the initial timing should be set at 10 degrees BTDC. I would try the gm performance parts website, they should have copies of the manuals. If no luck there, you should be able to use the zz4 manual. I'm not sure, but I think they changed the intake to get another 10hp.

1969 Camaro 350, Trickflow heads, ST-10 4spd, Hotchkis suspension, Baer SS brake kit, moser 12bolt
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post #3 of 5 (permalink) Old Aug 20th, 03, 05:03 AM
Join Date: Nov 2001
Posts: 257

There is no dwell, on HEI.

The timing could be set as high as 14-16 degrees for optimal performance. You really need to go to a dyno or a race track to see if the changes you are making are doing it any good.

You can always do plugs, rotor, cap and wires. An MSD module would probally be the way to go though imo. They run around 80 bucks or so.
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post #4 of 5 (permalink) Old Aug 21st, 03, 09:32 AM
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Join Date: Apr 2002
Location: San Jose, Ca
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I have a ZZ3 in my '67 RS. I like the motor and have a manual. Let me know specifically what you are looking for and perhaps I can feed you the answers.

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post #5 of 5 (permalink) Old Aug 21st, 03, 12:35 PM Thread Starter
Join Date: Aug 2003
Location: detroit
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im not 100% sure what im looking for. im pretty much just looking for a would be a good thing to have around.
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