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103839 Posts in 12195 Topics by 4704 Members
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31  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 04, 2014, 09:26:31 PM
Going by memory but I think the 6.5 power valve is correct for that carb.  Not sure why he would want to make the changes he told you.

It is not easy to diagnose a problem like this remotely, but I suspect a vacuum leak somewhere.  Possibly where the intake seals onto the heads or block. 

Did you check for a vacuum leak?
32  Camaro Research Group Discussion / Originality / Re: late 68 model year Z28 heads on: August 03, 2014, 04:09:48 PM
Darrel, the engine was not complete and was out of the car.  But yes they did have the bolt holes.  Carb, intake, air cleaner, valve covers, rods, pistons and M21 were correct for this car

Personally I have not seen the 186 heads actually used late in the 68 model year, just wondering if anyone else has.
33  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 03, 2014, 04:05:23 PM
Gary is right.  A good original 3310 or 3310-1 will work fine and is 780 cfm (2 metering blocks).  I believe the later versiions (3310-2, 3310-3 etc) are rated at 750 cfm but they will work fine too.

For your needs you just need something 750 cfm or so that is a vacuum secondary carb.  

BUT, I would just try to get what you currently have working.  What did he do when he rebuilt your carb?  Standard rebuild?  Did it run OK on another engine?
34  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 03, 2014, 12:46:00 PM
I am sure your friend knows what he is doing with carbs.

For the symptoms you liist, it sure seems like it is either the carb or something sticking in the distributor.

Personally, I think you can find a nice carb for less than that.
35  Camaro Research Group Discussion / General Discussion / Re: 67 VIN on: August 03, 2014, 10:30:03 AM
I am not sure if there is anyone that can answer the question FOR SURE.

It probably was. 
36  Camaro Research Group Discussion / Originality / late 68 model year Z28 heads on: August 03, 2014, 10:07:33 AM
OK, I know that most (possibly all?) 1968 Z28s used the 3917291 heads with 2.02 intake valves.

I looked at a very late (I think 3rd week of July) 1968 Z28 that did not have the original block but did have some of the original engine parts.

Owner THOUGHT the heads might be original.  But they were casting number 3927186 and dated June of 68.

Is there anyone that can confirm the 186 heads were used on any late model year cars? 

37  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 02, 2014, 11:45:46 PM
What is the exact date code on the carb?  You said January, but I did not see an actual picture of that or the date code listed.

I will ask Jerry on the pitman arm.
38  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 01, 2014, 12:38:09 PM
Pitman arm is correct.  Fast ratio manual steering - length is 5.8 inches.  

Lots of good steering information here from David Pozzi's site. 
http://www.pozziracing.com/camaro_steering.htm
39  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: August 01, 2014, 12:32:29 PM
Hey Kurt, thank you SO much for checking in... Just wanna make sure things are good. I thought I had the pitman arm pictures in here somewhere but maybe not. Here is what I have in my picture file.
 
 What makes you think the carb is original? Is this the norm being dated 4 months away from most everything else on the car? You got many other documented '68 original cars with this early carb dating?
Danny

I am not Kurt, but I thought I had posted a while back and said that I thought your carb was probably original but Kurt would have a better idea for sure.  That big of a gap is not the norm, but you have so many other original components it would be hard for me to believe it is not original.  Production on Z28s was ramping around that time the carb was assembled so it could have gotten shuffled back not used right away.

Let me check on the pitman arm.
40  Camaro Research Group Discussion / General Discussion / Re: any of you ever sued over a car you bought on: July 25, 2014, 06:23:50 PM
Again, always have at least one other person with you when you inspection a car.  Two other VERY important things I use are the "tap test" using your fingers and a magnet.  There are some of the best ways to help determine how much bondo is in a car.  Even top notch restorations will have some.  But it is easy to tell how thick bondo is by sound and with a thin magnet (like those used behind business cards sometimes).

If the car was advertised as a 30K mile car, and I think you said that at some point, then you were probably seriously misled.
41  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: July 22, 2014, 08:19:38 PM
Oh and I think the casting dates looked fine too.  You might want to try to summarize them and put them all into one post.
42  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: July 22, 2014, 08:18:08 PM
I can't say for sure on the engine stamp due to the corrosion, but I think it is probably OK.  Transmission and rear axle look good.  I did not look at every other component, but LOTS of original stuff there.
43  Camaro Research Group Discussion / General Discussion / Re: any of you ever sued over a car you bought on: July 22, 2014, 05:34:37 PM
Sorry to hear things did not go as planned.  ALWAYS take someone with you to do an inspection before you buy a car. As a potential buyer, sometimes we only see the good things about a vehicle or the things we want to see.

It is hard to say what would happen if you took legal action.  Personally I don't think I would waste my time pursuing it.  Live and learn.

Once you start stripping down a car, you never know what you might find.

Good luck.
44  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: July 20, 2014, 11:09:50 PM
Thanks Darrell.

Looks like

Build week and/or VIN ?
C BS 1028
341, cast J 3 9 or J 8 9
45  Camaro Research Group Discussion / Decoding/Numbers / Re: DZ stamp..opinions on: July 19, 2014, 10:20:26 PM
Tachometer use for 1969.

http://www.camaros.org/interior.shtml#69Z28Tach
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