Z/28 / JL8 question - Team Camaro Tech
Tech 2001 General Tech questions from 2001
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post #1 of 25 (permalink) Old Nov 12th, 01, 03:24 AM Thread Starter
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Yesterday I was watching the Car & Driver review of the 35th anniversary Camaro. They did a retro piece on the 1st gen Z/28. In their explanation they said in effect that 4 wheel disk brakes were standard equipment on the Z's.

I thought 4 wheel discs were the JL8 option & that these were pretty rare. I didn't think 4 wheel discs were standard, but were optional.

Can someone set the record straight ? Thanks.
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post #2 of 25 (permalink) Old Nov 12th, 01, 04:07 AM
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according to my book 1969 was the first and last year fo the JL8 option. of the thousands of Z/28's produced that year only 508 were ordered with the JL8 option and less then 200 were combined with the cross ram intake. so it definatly was not standard equipment and thats why their so rare.
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post #3 of 25 (permalink) Old Nov 12th, 01, 04:11 AM Thread Starter
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I thought Jim Scouten was wrong on that point, unless I misunderstood what he said.

Thanks for the clarification !

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post #4 of 25 (permalink) Old Nov 12th, 01, 04:57 AM
 
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[QUOTE]Originally posted by angie rs/ss:
[B]Yesterday I was watching the Car & Driver review of the 35th anniversary Camaro. They did a retro piece on the 1st gen Z/28. In their explanation they said in effect that 4 wheel disk brakes were standard equipment on the Z's.

I thought 4 wheel discs were the JL8 option & that these were pretty rare. I didn't think 4 wheel discs were standard, but were optional.

Can someone set the record straight ? Thanks.

There were only 206 JL8 4 wheel disc cars produced. That number may have been inflated by general motors. Crossram's were dealer installed and never in the trunk of the car as some have speculated.
Not all JL8's have the crossram setup.
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post #5 of 25 (permalink) Old Nov 12th, 01, 05:50 AM
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Chevrolet had claimed that 206 cars were built with the JL8 4 wheel disc brake option. Not all of those were Z28's. But that number of 206 has been questioned and Chevrolet now says that was an arbitrary number and it is probably closer to 100. The crossram was never an option on the Z28, you had to buy it from the dealer. Car and Driver has a lot of misinformation on their shows.

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Jeff H - 93 Indy 500 Pace Car(supercharged) & driven daily, Hugger Orange 69 Z28 with JL8 brakes, cross-ram & GM fiberglass hood, TI setup, heater and radio delete, being restored
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post #6 of 25 (permalink) Old Nov 12th, 01, 08:20 AM
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I enjoyed the show in spite of the usual detail inaccuracies ('cause the '69Z they showed smokin' the hides was identical to mine ). For those who may be interested, you can get a tape of the show for $12.95 + $4.95 S&H - call 1-877-853-7260 and ask for a copy of show #21-18, "Camaro 35th Anniversary" show.

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[This message has been edited by JohnZ (edited 11-12-2001).]
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post #7 of 25 (permalink) Old Nov 12th, 01, 10:13 AM
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i do agree with the 206 prduction figures (which is easy to remember because its the opposite numder of 67 Z's produced)i just used some other info i saw recently which showed 508.
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post #8 of 25 (permalink) Old Nov 13th, 01, 01:05 AM
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So using Jeffs production numbers of 100 would mean they are twice as rare as originally thought
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post #9 of 25 (permalink) Old Nov 13th, 01, 03:42 AM
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The # RPO JL8's is listed at 206, but there was a service (over the counter package)which was available. The rpo JL8 is the more desirable. I know of about 8 real JL8's and a couple of built cars.
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post #10 of 25 (permalink) Old Nov 13th, 01, 07:58 AM
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I'm not as rabid about this stuff as some of you guys seem to be(and I mean that in the most kind way!!!).In all my years of crawling around and under every first-gen,particularly 69's,that I see,I have NEVER seen a JL-8 car and have seen ONE crossram car(drum rear brakes).More rare than hen's teeth!!

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post #11 of 25 (permalink) Old Nov 13th, 01, 01:46 PM
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I think I've owned three documented ones. i can think of 8 documented ones total. I'm sure there are more.
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post #12 of 25 (permalink) Old Nov 13th, 01, 02:49 PM
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There were at least 4 gennie JL8 Camaros here in WI:

orange with orange interior (briefly owned)
fathom green with black standard
burnished brown with black standard
a gorgeous daytona yellow RS, yellow interior, black vinyl roof

I'm certain they all still exist.

Ed Cunneen also had one, another collector in IL has had several. Seem to be plenty around; I've seen far fewer 67 Z/28s. Odd since there are supposed to be 3 times as many.

And there are no crossram cars. Wasn't even an option.
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post #13 of 25 (permalink) Old Nov 13th, 01, 03:59 PM
 
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Does the JL8 rear have a different code? Without orginal info, can you tell if it was fitted later? Also, are the calipers 4 piston, like the early vette's?
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post #14 of 25 (permalink) Old Nov 13th, 01, 06:31 PM
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Yes the JL8 rear has a different code. The service JL8's were different from the RPO's
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post #15 of 25 (permalink) Old Nov 13th, 01, 08:47 PM
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I know of a green one ordered accidentally.
The dealer said, "Do you want disk brakes?"

The owner said, "Sure," meaning front disks.

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