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Old 01-24-2013, 10:33 PM
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Quote:
Originally Posted by Arns85GT View Post
I am doing a build with a Caddy 4.9

This will be a carb'd engine and I will be using a distributor from the older 4.5 version of the engine and no ECM.

I am told I need to use this distributor with the internal mechanism from an older engine to get a free standing weights/vacuum advance. It may be the 4.1 distributor from 1983, but I am not sure and I am looking for advice before I buy.

Does anybody know which older distributor is the proper donor for this modification?

Thanks,

and BTW, I don't want EFI on this one
The Olds 307 was mentioned, but the following link is to a thread that will shed some light on it all. The Fiero forums in general have a lot of Cad info, including non feedback distributor/carb swap.

CARBED 4.9 SWAP INQUIRY - Pennock's Fiero Forum
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