Lars chart

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May 11, 2011 | 02:07 PM

trainor

Thread Starter

Racer

Joined: Oct 2010

Posts: 474

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From: Bishop CA

Lars chart

I have a copy of Lars info on curve for performance, But I heard that there is a chart that goes with it, can anybody hook me up with where to find it. Also some of the guy say that I need to get the right can when doing this. What can are they talking about? Sorry for sounding stupid, but I won't know if I don't ask. Thanks again.

May 11, 2011 | 02:26 PM

stpman

Melting Slicks

Joined: Oct 2002

Posts: 2,865

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From: I may be getting old but I refuse to grow up

The best way is to e-mail the man himself

May 11, 2011 | 02:34 PM

7T1vette

Team Owner

Joined: Jan 2006

Posts: 37,637

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From: Crossville TN

Lars e-mail address: V8FastCars @msn.com

Send a little note telling him what equipment you have in the car and any modifications to the engine. Then, request any help/info you need.

May 11, 2011 | 03:11 PM

zwede

Race Director

Joined: Sep 1999

Posts: 11,361

Likes: 383

From: Plano TX

Quote:

Originally Posted by trainor

Also some of the guy say that I need to get the right can when doing this. What can are they talking about? Sorry for sounding stupid, but I won't know if I don't ask. Thanks again.

"Can" = Vacuum Advance Can. Many factory distributors pull another 15-20 dgr timing when there's high vacuum (cruise). If you recurve the mechanical to come in faster, and bump your initial timing, adding another 20 dgr at cruise will make it ping.

So you need to use a vacuum can with less advance. Lars has the part number for a factory one from the 1960's that only pulled 10 dgrs.

May 12, 2011 | 01:22 AM

stavanger

Pro

Joined: Jun 2001

Posts: 696

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From: Stavanger- Norway

http://www.corvette-restoration.com/...o_articles.htm

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