67 L-71 difference between JA & JE

[Dave W.]

whats the difference between a 1967 ja and a je l-71 427 435 hp motor. cam ? pistons ?
how many ja's were produced thanx for help dave

[Joe L.]

Re: 67 L-71 difference between JA & JE

whats the difference between a 1967 ja and a je l-71 427 435 hp motor. cam ? pistons ?
how many ja's were produced thanx for help dave

Dave-----


JA= L-71 with Air Injection Reactor (AIR) exhaust emissions control system

JE= L-71 with standard L-71 configuration

The difference between the engines related only to components related to the support of the installation of the AIR system. There were no internal differences between the engines.

There's no way to know how many JA coded applications were produced. By calculation an estimate would be about 420.

[Tim G.]

Re: 67 L-71 difference between JA & JE

I don't have my bible here, but isn't the JA code called out in the ECL codes in Noland Adams book?

[Leif A.]

Re: 67 L-71 difference between JA & JE

I don't have my bible here, but isn't the JA code called out in the ECL codes in Noland Adams book?

Tim,
The Lime Book calls out the JA for '67 as a 427/435, 3X2B, AIR, MT

[Joe L.]

Re: 67 L-71 difference between JA & JE

I don't have my bible here, but isn't the JA code called out in the ECL codes in Noland Adams book?

Tim-----


It may be but I don't understand how that would have anything to do with your original question. The difference between the JA and JE coded engines is as I described above.

[Tim G.]

Re: 67 L-71 difference between JA & JE

Joe, you're correct. The ECL codes don't call out how many JA motors were installed.

[Dave W.]

Re: 67 L-71 difference between JA & JE

How did you come up with 420 produced?

[Mike M.]

Re: 67 L-71 difference between JA & JE

i had a 67 435 smog vet back in the 80's-90's . while doing some research on this option, i came up with about six 67 436 smog coupes sent to california in the 67 model year. can't come up with the documentation for the low # at this time. mike

[Rick G.]

Re: 67 L-71 difference between JA & JE

I own a 1967 May built JA 435. Interestingly it has the original documented JA Oct motor still in it. I also have photo's of the engine pad of another JA April car with a Oct motor also.

Rick

[Joe L.]

Re: 67 L-71 difference between JA & JE

How did you come up with 420 produced?

Dave------

There were 22,940 Corvettes manufactured for the 1967 model year. Of that, 2,573 were equipped with K-19. This amounts to 11.22% of 1967 Corvettes. There were 3,754 1967 Corvettes equipped with L-71. 11.22% of those 3,754 equals 421.

As I mentioned, this is just an estimate based upon production numbers we do know. There's no way to otherwise know what the number of Corvettes were that were equipped with both L-71 and K-19.