1961 caddy
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1961 caddy
Posted: May 15 2008 12:10 AM
 
dale warmack (aka macksstreetrodz) [ View ] [ MACKSSTREETRODZ@HOTMAIL.COM ] [ Car Ads ] [ Blogs ]
slidell, Louisianna
 
Hello, got a 61 caddy on a trade deal, is very nice original car runs great. Plans are to sell the car, but a'm having a ball driving it around here, it has a 390 engine should I be adding something to the unleaded gas??

hope every one has been doing OK. THANKS

Mack
 
 
Comments
 
Posted by tlp1968  -  05/15/2008 12:55 PM
Original 390? They do make additives for the lack of lead in the fuel but not sure how well it works. Has it been driven much in the past 20 years?
StreetRodding.com Marketing Director [ View ] [ Email ] [ Blogs ] [ Car Ads ] Springfield,, Illinois Charter Member since August 2003
 
Posted by ol bear  -  05/15/2008 05:53 PM
try finding some super shell with platformate ,,,,ol bear
OL BEAR [ View ] [ Email ] [ Blogs ] [ Car Ads ] crown point, Indiana
 
Posted by 31tudor  -  05/17/2008 03:58 PM
What will determine if you need a lead additive is if your engine has hardened valve seats or not. The original valve seats were very soft, and the lead in the fuel created a cushion. If the motor has been rebuilt you can probably expect to find hardened valve seats in it. If it's completely original you should hit your local parts store for a little bit of lead additive.


You may or may not be able to hear what you think is a noisy valvetrain. If you can hear it, try the additive. Adding it certainly wouldn't hurt anything.
Eric Hibbs [ View ] [ Email ] [ Blogs ] [ Car Ads ] St. George, Utah Charter Member since January 2002
 
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