Please help 68 SS 427 #s match?

[COPO_Anders]

I won´t argue with you Marlin, since I have only read about it in two articles, from 1996 and 1997.

It says in one of them that all three Yenko Camaros, one white in Illinois, one black in Indiana and one light blue metallic in Colorado, have some sort of documentation.
Heath found a broadcastsheet in his Camaro it says, and that made Chevrolet investigate if it had been built with a 427 at the factory.
The other two all iron L-88 cars still have their protect-O-plate according to the article. The engine code is said to be MV.

Has it been confirmed that none of this is true ?

Anders

[Pantera]

The "All Iron L-88" sounds wrong to me? A L-88 came with alum heads..! NO..???

Pantera

[COPO_Anders]

True !
But if you for some reason don´t want the aluminum heads, but want the power from the L-88´s cam, pistons, intake, carb etc. Then you put iron heads on it an get an "all iron L-88"

I believe the last -71 LS-6 Corvettes were sold with iron heads for 600$ less, and they were still considered to be LS-6 cars.

Anders

[YENKO DEUCE REGISTRY]

Yenko liked to build iron-head L88's for customers, so that is where that reference comes from.

To my knowledge the white one from IL in that article is the only one that might be a 427 factory install, it has some unique badging that might indicate it being a prototype. The way the got around the emissions requirement for the 427 factory install in the '68's was to list the car as an 'export' - pretty slick!

[Pantera]

You are missing the main point that the L-88 was never offered from the factory with cast iron heads. That would be something a dealer would have to change after the car was delivered. It would make a large difference in the value not to mention the originally of a car.

What happened later with the LS-6 was a factory thing. The value of the car would still be there either way the car was "Delivered" from the factory.

[COPO_Anders]

I wasn´t thinking about the value at all. I was trying to describe the engines. And since there are no L-88´s with iron heads from the factory there is no other L-# I can think of to use.
And of course the magazines used the phrase "all iron L-88".

Anders

[Kim_Howie]

The L-88 was 12.5 to one compression. Very tempermental Engines. Chevy only offered them thru Corvettes for three years. Less than 400 them right!! Why would they offer that engine in 68 Camaro. It was not offered in a Chevelle Or Big Chevy. Why a Camaro I am still waiting for paper work for a L-89 Nova. They made 311 of them. We know there are 50 Gibb COPO Nova's and we have 23 of them found.
How come of 311 L-89's Nova's. We have not found one L-89 yet??

[JoeC]

A lot more research has to be done on the 67 and 68 Yenko 427 Camaros as there are many unanswered questions. The info is out there but seems to be scattered around the country.
I know on the 1968 Yenkos some COPO codes and information was found that was incorrectly decoded. This resulted in such claims as factory built 427s and/or L88s but this has not been proven.
There is some evidence that Yenko did have a 427 Camaro certified as USA emission legal for sale in the USA .
Yenko did state in some of the 1968 documents that the Yenko Camaro was the only 427 Super Camaro to pass US Gov. emission test.
In reference to the L88 claims - Yenko did advertise that some of the 1968 427 Camaros came with a special intake and 850cfm Holley same as the L88 engine. At first I thought the L88 intake and Holley was part of the COPO 396 package and may be the reason the original L78 had the special MV code but this is not proven. They claimed the Heath Yenko had a original special intake and Holley but other people claim they have original intake and Holley and it is same as std L78. So not sure on this.

[442w30]

[ QUOTE ]
Why a Camaro I am still waiting for paper work for a L-89 Nova. They made 311 of them. We know there are 50 Gibb COPO Nova's and we have 23 of them found.
How come of 311 L-89's Nova's. We have not found one L-89 yet??


[/ QUOTE ]

Do you know the number of L89 Camaros? Coincidence?