cam specs

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Nov 15, 2007 | 07:57 PM

0Paul Ruggeri

Thread Starter

Former Vendor

Joined: Nov 2006

Posts: 2,482

Likes: 3

From: Carmichael ca

cam specs

Anyone know the specs for the original cam in a 69 L89?

Thanks, Paul

Nov 22, 2007 | 10:06 AM

Bigblok

Intermediate

Joined: Jan 2006

Posts: 49

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From: Sheboygan WI

L89 Cam

Paul,
RPO L89 is the 435 with aluminum heads.
It uses the same camshaft as RPO L71.
GM part#3863143 casting#3863144

Do you have a documented 69 L89?
I am restoring a 69 Cortez/red L89 roadster.
Would like to hear from you.
Joe

Nov 22, 2007 | 11:02 AM

wfo76

Drifting

Joined: Sep 2006

Posts: 1,259

Likes: 2

From: MS

All these engines used the same cam

1965 L78 396/425
1966 L72 427/425
1967-69 L71 427/435
1967-69 L89 427/435
1971 LS6 454/425

.520/.520 lift
242/242 duration
114 LSA

Most recent part number was 12364057

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