Good call
L89 Question
Team Owner
Joined: Jun 2000
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From: Southbound
Cruise-In II Veteran
The information may not be available and might be none. If memory serves, the TH400 could be ordered with the L36 and the L88 but not with the L71.
You could purchase the aluminum heads over the counter at Chevrolet and add them to any big block and that could account for the '69 you ran across.
You could purchase the aluminum heads over the counter at Chevrolet and add them to any big block and that could account for the '69 you ran across.
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Drifting
Joined: Feb 2005
Posts: 1,438
Likes: 2
From: Melrose Florida
(255) 435 hp cars built with TH400 in '69, none in '67 or '68. No available breakdown on how many were L89 versus L71, but it is a small number.
Just assuming approximately 10% of L71 were TH-400 (255/2722); and applying the same ration to L89 would be about 40 L89 with TH-400.
L71/L89 with TH-400 is a rare and desirable combo. My L71/TH400 is not quite roadworthy yet, but those who drove the car in its past life, and the owner of another one, describe the performance as AWESOME. It was a special TH-400 (CY code, maybe a few CX codes).
Steve
PS: One of the known ZL-1 is a "CY" automatic, and I think some of the Camaro ZL-1s were also, maybe 15 of 69?
Just assuming approximately 10% of L71 were TH-400 (255/2722); and applying the same ration to L89 would be about 40 L89 with TH-400.
L71/L89 with TH-400 is a rare and desirable combo. My L71/TH400 is not quite roadworthy yet, but those who drove the car in its past life, and the owner of another one, describe the performance as AWESOME. It was a special TH-400 (CY code, maybe a few CX codes).
Steve
PS: One of the known ZL-1 is a "CY" automatic, and I think some of the Camaro ZL-1s were also, maybe 15 of 69?
Drifting
Joined: Feb 2005
Posts: 1,438
Likes: 2
From: Melrose Florida
255 were confirmed by Chevrolet as built with 435 hp (L71/L89) and TH-400 for 1969.
Mine has other surprising options including power brakes and power steering.
Steve
Team Owner
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From: Southbound
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Race Director
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From: Taylor Michigan
Melting Slicks
Joined: Nov 2004
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From: Nevada City California
You need to get the Tonawanda engine facilities records to know how many were actually built.
As an example, Tonawanda records indicate 212 engines coded for 1971 LS6 application either as CPX or CPW. Chevrolet records indicate 188 of these installed in production vehicles, leaving 24 for warranty purposes or ?
So the production of L-71/L89 engines will be higher than what is listed in the Corvette Black book stats.
As an example, Tonawanda records indicate 212 engines coded for 1971 LS6 application either as CPX or CPW. Chevrolet records indicate 188 of these installed in production vehicles, leaving 24 for warranty purposes or ?
So the production of L-71/L89 engines will be higher than what is listed in the Corvette Black book stats.
Last edited by early shark; Jan 30, 2009 at 11:04 PM.