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105769 Posts in 12347 Topics by 4759 Members
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346  Camaro Research Group Discussion / Originality / Re: 68 spoiler part# 1st design on: February 27, 2010, 12:35:44 AM
My 67-69 P & A manual lists it as #3916673, but I seriously doubt that you will ever find one of the originals.  The best deal I've seen is the #3916673 one being sold by Classic Muscle in Winston-Salem, North Carolina....although it carries the same number as the original, it is a reproduction.
347  Camaro Research Group Discussion / Restoration / Re: z28 harmonic balancer? on: February 19, 2010, 09:19:50 PM
My original '68 balancer does not have the fins....Looks like the finned ones were on the earlier Corvettes.
348  Camaro Research Group Discussion / Originality / Re: 1968 Front Spoiler! on: January 29, 2010, 11:49:04 PM
Sonet, just check the piece of plastic you found under the screw, if it has a texture on it you have your your answer.  Mine had the early design and personally like it better.
Thanks for the advice....but  they are now gone to the trash....oh and learn...LOL.  But like I said earlier, the original owner said he didn't remember ever seeing any kind of bracing on the spoiler and he also said it had a rough texture so I believe the first design is the way to go.

Thanks for the input Chris....
349  Camaro Research Group Discussion / Originality / Re: 1968 Front Spoiler! on: January 29, 2010, 11:43:28 PM
I learn something new every day!  And have to replace my incorrect parts, sell them, and try to survive until I find the next thing I purchased incorrectly... :-P  Though, I do believe that back when I purchased half this stuff, there were few options.  Plus, I don't think there was this wealth of knowledge.  Or the internet... heh heh
That is so true.....Back when I first got the car I tried to find a replacement spoiler and the only thing I could find was the one with the braces.  Now, finally, the original looking first design is available.  And yes back then I didn't know there was more than one design.  Learn new things every day.
350  Camaro Research Group Discussion / Originality / Re: 1968 Front Spoiler! on: January 29, 2010, 01:31:39 PM
After reading these trhead on the 68 spoiler, I'm thinking for the last 33 years I've had the late design on the 02E car. Who has the most correct early design on the market?
Thanks, Joe
Joe.....Here are a couple that I found...there are a lot of vendors advertising the early spoiler, and even giving the early part number, but when you look at them they don't look like the original early spoiler. These three do look like the original:  (then type 3916673 in the search box)  
351  Camaro Research Group Discussion / Originality / Re: 1968 Front Spoiler! on: January 27, 2010, 08:57:42 PM step forward and two steps back.  There is a hole in the subframe but it is only a 1/4" and it is centered......don't know if it is there for a center brace....would have thought it would have been larger if it was, more like a 5/16".  That smaller hole got me to thinking again so I called the original owner of the car and asked him if he remembered the spoiler on the car and what it looked like.  He said that for sure it didn't have any braces on it and that it hung down about 5 " and it had a rough texture.  Well to me that sounds like the first design I guess I am back to getting the first design unless someone comes up with any new evidence.

Again....thanks for every ones input.
352  Camaro Research Group Discussion / Originality / Re: 1968 Front Spoiler! on: January 26, 2010, 08:45:47 PM
Thanks Ken......Yeah I found the hole on the subframe and that is what got me to thinking about which one is correct.  I did find a sentence in the CRG info on spoilers that stated the change in the production line to the later spoiler might have occurred in may '68...So that would place my 07C car in the later category.  I am the second owner and when I purchased the car in '72 the spoiler was already gone so I am pretty sure the hole in the subframe was put there by the factory.  Have you noticed the difference in spoilers on any of your '68 restorations?

Thanks again for your input......BTW....I am considering the prospect of having someone restore my Z28.....would you be interested?  If so, let me know and I will give you a call.

Jerry G.
353  Camaro Research Group Discussion / General Discussion / Re: Cowl Tag vs Vin # on: January 26, 2010, 01:36:17 PM
The vin number is unreadable, ebay # 200432176656, search 68 302, look at the block assembly date???
Looks like there is an 18N and then it looks like the rest of the number runs into a rust spot.  My original 302 block with a date of  F138 does not look like that block does not have the HB on the front and it doesn't have the two big hole plugs under the timing cover...don't know what difference that makes.
354  Camaro Research Group Discussion / Restoration / Re: 3917291 sbc heads 2.02's or 1.94's on: January 24, 2010, 12:10:19 AM
The castings are the same.  The combustion chamber on the 2.02 heads have some machine work done to unshroud the intake valve.  It is fairly easy to have the 1.94 heads machined for the 2.02 valves and be correct.  A lot of the time the original 2.02 valve heads have had a valve job or more and the seats are deeper in the head so a rebuilt 1.94 is more desireable.
X2 on this idea....I replaced the heads on my Z28 with a good used set of 291's with the 1.94/1.50 valves.....even found the right cast dates.  Had the machinist  replace the old valves with new 2.02/1.60 valves and had him to unshroud the intakes.  Those heads looked like new ones when I got them back.
355  Camaro Research Group Discussion / Restoration / Re: Lower alternator bracket question on: January 22, 2010, 10:35:19 PM
My original 1968 Z28 valve covers are 2.5" tall with the cover laying flat on workbench and no gasket.  Measure your valve covers and see what the read.
356  Camaro Research Group Discussion / Originality / Re: 1968 Front Spoiler! on: January 22, 2010, 05:23:29 PM
I'll go back and search again....thanks for advising me.
357  Camaro Research Group Discussion / Restoration / Re: Lower alternator bracket question on: January 22, 2010, 01:01:17 PM
Got any pictures of the lower bracket? How about pics of the alternator also.
358  Camaro Research Group Discussion / Originality / Re: 1968 Front Spoiler! on: January 21, 2010, 09:22:55 PM
Thanks.....had already read that one but it didn't mention anything about the production dates.  Just want to make sure that I get the one that would apply to my car build date.....or if it makes no difference then I'll get the later model.  Looks like the later one is heavier and it uses the braces so that it would probably hold up better....and it is usually cheaper.

Thanks again....
359  Camaro Research Group Discussion / Originality / 1968 Front Spoiler! on: January 20, 2010, 11:29:53 PM
I know there were two front spoilers for the 1968, ( 3916673-The first one and I understand that it was just screwed to the valance panel ) and ( 3943249-The second one and I understand that it was supposed to use the braces 3943253 & 3943251 ).  My 1968 Z28, 07C, has the spoiler option ( D80) but didn't have the spoiler when I bought it,  but upon removing the valance panel from the front end I noticed that the screws that mounted the spoiler and a small piece of the plastic under the screws from the old spoiler remained.  I did not find any braces attached so I am presuming that it either had the first design spoiler or it had the second design and when the original spoiler departed that the first owner removed the braces.  I am about to purchase a new spoiler and  I want to get the right one that matches the  date of the car.

So....does anyone know when the first design was deleted and the second design was added to the production line, or even if the second design was ever added to the production line and was only available as a service part?  Also, are both of the spoilers classified as original to the car or is the first one, only, original to the car?

Any pictures showing both of the spoilers would be greatly appreciated.....just to make sure I get the right one.

Thanks in advance for any advice given....
360  Camaro Research Group Discussion / Restoration / Re: 30 30 cam on: January 19, 2010, 10:02:36 PM
If you are referring to a cam that is exactly equivalent to the old 30/30......I bought the Comp Cams kit #CL12-107-3.  This is a kit that includes the cam and lifters.  It has been highly recommended in the past.
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